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  • Offer Profile
  • Avantes is the leading innovator in the development and application of fiber optic spectroscopy instruments and systems with over two decades of experience developing customer-defined spectrometer configurations.
Product Portfolio
  • Products

      • OEM spectrometers

      • Avantes has over 20 years of experience in applying spectroscopy and optical sensing technologies to enumerable environments and industries. Our partnership approach to working with Original Equipment Manufacturers (OEMs) is at the core of our success and philosophy as a business.
          • OEM spectrometers: AvaBench Optical Benches

          • AvaSpec optical benches are available with or without one of our electronics boards for integration into customer’s systems. Avantes has developed four types of UV/VIS optical benches, especially for OEM customers. The optical benches AvaBench-45 (StarLine), AvaBench-75-ULS (used in both StarLine and SensLine), AvaBench-75-ULSTEC (SensLine) and AvaBench-37.5-HS (SensLine) are Czerny-Turner designs with fiber-optic entrance connectors (Standard SMA, others possible), collimating and focusing mirrors and a diffraction grating. A choice of different gratings with different dispersions and blaze angles enable applications in the 200-1100 nm range. The newly designed high numerical aperture AvaBench-37.5-HS has full mechanical compatibility for mounting holes with the AvaBench-75-ULS, so for OEM customers it is easy to upgrade to a higher-throughput optical bench.

            All AvaBench optical benches are fully compatible with Avantes electronics board or may be interfaced to customer specific electronics. Video output is handled through a separate mini-coax cable.
          • OEM spectrometers: AvaBench NIR Optical Benches

          • For OEM applications in the NIR, Avantes offers our line of AvaBench NIR optical benches. The AvaBench-50 optical bench has undergone a redesign and is more compact and has higher throughput. It is available in the 1000-1750 nm range for uncooled detectors. The AvaBench-50TEC is developed for NIR range from 1000-2500 nm with thermo-electric cooling. The AvaBench-50TEC supports three different TE-cooled detectors with 256 pixels and two TE-cooled detectors with 512 pixels. All AvaBench NIR optical benches have symmetrical Czerny-Turner designs with a fiber-optic entrance connector (Standard SMA, others possible), collimating and a newly designed special toroid focussing mirror and diffraction grating. A choice of different NIR gratings can be selected with the products.

            The NIR AvaBenches are fully compatible with Avantes electronics boards or may be interfaced to customer specific electronics. The NIR optical benches have a separate video output through a mini-coax cable. The TEC NIR benches have a heatsink and additional electrical connections for both temperature sensor and power for the 2-stage Peltier cooling.
          • OEM spectrometers: AS5216 Microprocessor board

          • The AS-5216 microprocessor board provides both flexibility and ease of integration. It features high-speed USB 2.0 communication and can be used in combination with the following detectors:
            • Sony ILX554B and ILX511B
            • TAOS 1401
            • Toshiba 1304
            • Hamamatsu S11155/S7031 and G92xx series with/without TEC
            • Sensors Unlimited 256 and 512

            The board is equipped with an HD26 digital I/O connector with 13 programmable I/O port (3 digital in, 10 digital out), 2 analog out ports and 2 analog in ports. One digital out port is generally used to control the flash rate of an AvaLight-XE pulsed Xenon light source, another digital out it used to control external TTL-shutter devices and a third is reserved for external control for flashing a laser source in LIBS applications. A digital in may be used for external hardware triggering.
          • OEM spectrometers: AS-7010 Microprocessor board

          • The AS-7010 is the all new electronic platform and the base for Avantes’ future spectrometer models.
            It is equipped with a powerfull Xilinx Zynq 7010 microprocessor. It combines the software programmability of a Processor with the hardware programmability of an FPGA, resulting in unrivalled levels of system performance and flexibility.The generous 100 Mpixel memory enables onboard storage of spectra and custom programming. Equipped with 2 different AD convertors optimal performance for each detector type is assured.

            The As-7010 comes with the ability of 2 communication ports: High Speed USB3.0 and GigaEthernet.
            Also on board is the HD26 digital I/O connector with 13 programmable digital I/O ports, 2 analog out ports and 2 analog in ports. The connector is compatible with the AS-5216 I/O connector.
          • OEM spectrometers: ASC-5216 Microprocessor board

          • The ASC-5216 is the smallest OEM electronics board Avantes offers. It can be used with the Sony (ILX511, ILX554B) and Toshiba (TCD-1304) CCD detectors. Featuring the same powerful 5126 Coldfire® processor as used in the AS-5216, it's equipped with a Hirose ST60-36p connector. It has 12 programmable IO ports (3 DI, 9 DO), 2 analog out ports and 2 analog in ports. One digital out port is used for controlling the flash rate of an external Xenon strobe (AvaLight-XE), one digital out port is used to control external TTL-shutter devices, one digital output is reserved for external control for flashing a laser source in LIBS applications. One digital in is used for external hardware triggering.

            The ASC-5216 board can be synchronized with other ASC-5216 boards to control the simultaneous data sampling of multiple channels, all connected to USB2.0 high-speed interface.

            On-board signal processing allows data reduction to speed up scan transfer time. Data reduction can be achieved by defining a start and stop pixel and On-Board Averaging. The board can be operated by the extensive AS-5216-DLL software development kit with many functions to control the electronics board and data sampling parameters.
          • NEW: ULSi : Integrated Miniature Spectrometer (CMOS)

          • The same quality Avantes is well-known for, now in an easy-to-install package: the ULSi is the ideal choice for any system integrator. Fiber optic spectrometers have been integrated into many end-user systems in almost all areas of research and detection. Avantes has the completely integrated spectrometer: one housing including the optimum Ultra Low Straylight optical bench and a miniaturized version of our flexible AS5216 electronics board.
            The ULSi is available with the four best-selling detectors Avantes offers: the Sony ILX554B with 2048 pixels, the Sony ILX511 with 2048 high pixels for extra sensitivity, the Toshiba TCD1304 high resolution 3648 pixels and the Hamamatsu CMOS detector with 2048 pixels. The same wide range of slits, gratings and other options available in the mainline spectroscopy lineup are also available for the ULSi.
          • ULSi : Integrated Miniature Spectrometer

          • The same quality Avantes is well-known for, now in an easy-to-install package: the ULSi is the ideal choice for any system integrator. Fiber optic spectrometers have been integrated into many end-user systems in almost all areas of research and detection. Now Avantes releases its first completely integrated spectrometer: one housing including the optimum Ultra Low Straylight optical bench and a miniaturized version of our flexible AS5216 electronics board. The ULSi is available with the three best-selling detectors Avantes offers: the Sony ILX554B with 2048 pixels, the Sony ILX511 with 2048 high pixels for extra sensitivity and the Toshiba TCD1304 high resolution 3648 pixels. The same wide range of slits, gratings and other options available in the mainline spectroscopy lineup are also available for the ULSi.
          • OEM spectrometer: Enclosures

          • For OEM customers Avantes offers a line of neutral black enclosures in which either 1 or 2 channel spectrometers can be integrated.

            The black enclosures have mounting ears and are available in single and dual channel housing.

            Both the AvaBench-45/75 and the AS-5216 electronic board fit into the 1-channel OEM housing. In 2-channel OEM housings 2 AvaBenches and 2 electronics boards will easily fit.
          • AvaSpec Stand-alone Fiber-optic Spectrometer

          • Any Avantes AvaSpec spectrometer can operate in stand-alone mode in which the spectrometer is not connected to a computer. The stand-alone mode is developed for process control applications, in which the spectrometer must output analog or digital signals that can be directly coupled to Programmable Logical Controllers (PLC) in a process control environment.

            In order to get the desired stand-alone functionality of a spectrometer, it is important to define functions in which the parameters that need to be controlled can be measured.

            These functions can be defined as (max. 8) History Channel Functions and the output values as 8 digital TTL-functions for which thresholds can be set using the AvaSoft-PROC process control software. Two functions can also be used to output an 8-bit analog value in the 0-5V Voltage range.
          • AvaSpec-Mini

          • Looking for a very small spectrometer with a resolution of up to 0.1 nm? Then the new generation AvaSpec-Mini is an ideal choice. It’s only the size of a deck of cards, yet delivers stray-light levels lower than 0.17% and weighs only 174 grams. Easy to take anywhere you like.The AvaSpec-Mini finds its way into many areas of research, such as light analysis, chemical research and Raman spectroscopy. Or use it as a tiny OEM-spectrometer in your application. The possibilities are endless.
          • Developer kits for easy IO access

          • Avantes Spectrometers feature great flexibility offering multiple Input /Output connections. These IO can be used with Avasoft 8 (Time Series) or with customized applications. The DEVKITs are intended to make life easier in the development-stage. Instead of fabricating or soldering a cable with the right connections now it is easy to connect using the screw terminals.
        • Systems/bundles

        • Avantes offers an extensive line-up of preconfigured systems and bundles, each component carefully selected to give you the highest quality measurements.

          For specific measurements, we have created the Avantes spectroscopy bundles: a combination of products that are ideal for the application. Because of the flexibility of Avantes' products, these can always be used for different measurements later.

          Avantes is well-known for their multichannel spectrometer setup: two to many spectrometers, combined to have a combination of high resolution with high bandwidth.

          Our Raman systems come with either 532 or 785 nanometer lasers and can be combined with uncooled or cooled spectrometers, the latter feature a higher stability and longer possible integration times.
            • Bundle: AvaSpec-LaserChecker

            • AvaSpec-Laserchecker

              This spectrometer/ fiber combination allows you to quickly check the wavelength of your laser.

              The AvaSpec-LaserChecker works in the 500-1000nm range with an optical resolution of 0.7nm.

              Simply catch the laserlight with the fiber and analyse your laserwavelength with analysis software AvaSoft 8.
            • Bundle: Color measurement set up of small areas

            • Ideal for color measurements, this bundle features an AvaSpec-ULS2048 spectrometer, tuned for visible light. Furthermore a D65 halogen light source for illumination and a reflection probe together with a reflection probe holder.

              Typical applications:
              • In-line reproducibility
              • Small spots & lines

              ... and many more
            • Bundle: Color measurement set up of surfaces

            • Wide angle diffuse light from the sample is used to measure color. This uses a hand held 50 mm integrating sphere and a compact spectrometer. Measurement is free of the gloss specular component. The measurement optics are placed under a 8º angle (D/8 SPIN).

              Typical applications:
              • Rough surfaces
              • Textile and printed paper
              • Fruits
            • Bundle: Irradiance set up

            • Irradiance means measuring how much light reaches a specific place. This is why a cosine corrector is included: it collects light from a 180 degree angle. The comprehensive Avasoft-Irrad allows fully calibrated traceable radiometric and photometric measurements.

              Typical applications:
              • Solar lighting
              • Environmental lighting & general lighting
            • Bundle: LED Light measurements

            • More and more coutries ban incandescent lamps from being sold, hugely boosting LED sales. Avantes supplies the needed tools for photometric and radiometric measurements.

              The spectrometer is irradiance calibrated to obtain absolute values.

              Typical applications:
              • Irradiance
              • Illuminance
              • Radiometric & photometric flux
              • Lumineous intensity
              • Color coordinates
            • Bundle: High resolution plasma measurement

            • Plasmas are known for many emission peaks, located closely together. To separate these peaks, Avantes has developed multichannel spectrometers. This 200 to 1030nm quad-channel spectrometer boasts an optical resolution of 0.18-0.22 nm, four times better than a standard AvaSpec-ULS2048 covering the same range. In AvaSoft Spectroscopy Software, the four channels are combined as if you were working with only one spectrometer.

              Typical applications:
              • Semi-conductor
              • Solar cells
              • Razor blades
              • Fusion reactors
              • Glass & coating
            • Bundle: Extreme high resolution plasma measurement set up

            • For even higher resolution than the quad-channel spectrometer, this version features eight channels, with an optical resolution of up to 0.10 nm. The wavelenght range is 200- 1070 nm, which means it detects from
              ultraviolet, through visibile, up to near infrared light.

              The system is delivered in a 19” rackmountable enclosure.

              Typical applications:
              • Semi-conductor
              • Solar cells
              • Razor blades
              • Fusion reactors
              • Glass & coating
            • Bundle: LED ILED-A/B set up

            • The widely used recommendation for LED bulb luminous intensity measurements is CIE’s Publication 127. This set contains everything you need: an irradiance calibrated spectrometer, with FC/PC connector for reproduceable setups, with a fiber cable and ILED-A & ILED-B tubes.

              Typical applications:
              • Lumineous intensity
              • Radiant intensity
              • Low & medium powered LEDs
            • Bundle: Gemology set up

            • The easy way two answer two basic questions: “what are the characteristics of the stone I’m measuring?” and “are these characteristics natural?” is the Ava-GEM. It includes a sphere and a special gemology white reference tile to determine fast and without a doubt what your answers to the two questions will be.

              Typical applications:
              • Colour
              • Natural or artificial
              • Artificial coloring
            • Bundle: Fluorescence set up

            • In spectroscopy fluorescence is one of the more challenging setups, due to the low fluorescent emission (about 3% of the excitation energy). The AvaSpec-2048L gives the highest sensitivity and the AvaLight-LED series provides excitation at the requested wavelength.

              Typical applications:
              • Dyes identification
              • Fluorescent lamps
              • Diagnosis of malignancies
              • Fluorescent labeling
            • Bundle: Biomedical set up

            • Non-invasive is the preferred choice for many patients. Spectroscopy helps achieving the goal of non-intrusive measurement devices. This biomedical bundle noninvasively measures concentrations of unknown samples or changes in concentration over time. This biomedical bundle is meant for R&D usage.

              Typical applications:
              • Oxygen in blood
              • Hemoglobin
              • Microvascular circulation
            • Bundle: Thin Film set up

            • For single layer thin film measurements, this system provides the needed tools. It includes a reflection probe and a stage. It can measure thin films ranging from 10 nm to 50 μm with a resolution of 1 nm. It supports UV/VIS and NIR measurements from 200 - 1100 nm.

              Typical applications:
              • Semi-conductor industry
              • Solar panels
              • Coating
            • Bundle: Vacuum set up

            • Two vacuum feed-throughs are included in this set up: one with a 200µm fiber cable and one with a 600 µm diameter. Also the needed reflection probe and a deuterium halogen light source are included.

              The AvaSpec ULS2048L is the ideal companion for this setup.

              Typical applications:
              • Coating
              • Plasma
            • Bundle: Absorbance set up UV/VIS/NIR

            • Designed for broadband measurements, this UV/VIS absorbance bundle features a high power deuterium halogen light source with integrated shutter and a variable dip probe. A versatile bundle to measure absorbance in most situations.

              Typical applications:
              • Colorization of fluids
              • In-line measurements
              • Color of liquids in test tubes and flasks
          • Raman

          • Raman spectroscopy is especially useful for product identification, reaction monitoring, remote sensing and any other applicable measurement. It provides an invaluable analytical tool for molecular finger printing as well as monitoring changes in molecular bond structure (e.g. state changes and stresses & strains).

            Why Avantes for your Raman application?
            • High temp Raman probes
            • 3 stage peltier cooling in combination with replaceable slit
            • New AvaSpec HERO is very important for S/N
            • Laser probe combination relationship critical as you sell a raman system

            Avantes uses the high-sensitivity AvaSpec spectrometers in combination with a wide variety of lasers (including 532, 633 and 785 nm) to give you the best result for your Raman measurements. The spectrometers are appropriately configured according to the wavelength of the laser.
              • AvaRaman Bundles

              • Raman Spectroscopy allows obtaining individual spectral ‘fingerprints’of materials. Commonly used in chemistry, pharmaceutical and medical fields, to provide information by which molecules can be identified. To offer our customers optimal performance for a reasonable price, Avantes joint forces with 2 partners to offer you 3 different convenient Raman Bundles consisting of a great spectrometer (3 different models), a unique Laser-Probe combination (785nm) supplying enhanced signals and an outstanding Software package to analyze the Raman spectra.
              • AvaRaman System

              • Raman spectroscopy is especially useful for reaction monitoring, product identification, remote sensing and the characterization of highly scattering particulate matter in aqueous solutions. Based on the principle discovered by Prof. Chandrasekhara Venkata Raman, it measures the result of the inelastic scattering of photons.

                Avantes uses the high-sensitivity AvaSpec spectrometers in combination with a 532 nm or 785 nm laser to give you the best result for your Raman measurements. The spectrometers are appropriately configured according to the wavelength of the laser.
            • Spectrometers

            • Optical spectroscopy is a technique for measuring light intensity in the UV-, VIS-, NIR- and IR-region. Spectroscopic measurements are being used in many different applications, such as color measurement, concentration determination of chemical components or electromagnetic radiation analysis. For more elaborate application information and setups, please click on the Applications link in upper the menu.
                • CompactLine

                • Miniature spectroscopy redefined. That's what we consider the CompactLine series spectrometers. The new generation AvaSpec-Mini is definitely one of the smallest spectrometers at the market today.

                  They are available in versions for ultraviolet, visible and near infrared, so a suitable CompactLine spectrometer is available for your situation.
                • StarLine

                • Absolute flexibility in the set-up of your spectrometer at affordable prices: that is the StarLine in a nutshell. Select the slit, grating and detector that fits your application best and the perfect spectrometer is made especially for you.

                  This instrument line offers an array of solutions for varied uses, while providing excellent price-to-performance ratios. The AvaSpec-ULS2048/2048L and AvaSpec-3648 are based on front illuminated linear CCD arrays and thanks to Avantes’ DUV coating can measure wavelengths from 200-1100 nm. The AvaSpec-FAST series of instruments is specially designed for high-speed acquisitions such as pulsed light source and laser measurements. The AvaSpec-128 is an ultrafast photo-diode array-based instrument for visible and near-infrared applications.

                  Instruments in the AvaSpec StarLine family are designed to perform in a variety of applications such as:
                  • Reflection and transmission measurements for optics, coatings, color measurement
                  • Irradiance and emission measurements for environmental, light characterization, and optical emission spectroscopy
                  • High-speed measurements for process control, LIBS or laser/pulsed source characterization
                  • Absorbance chemistry

                  Or discuss your wishes with our team of application sales engineers, to find the setup needed for your application. The possibilities are virtually endless!
                • SensLine

                • The SensLine is all about sensitivity. For those measurements under hard conditions, low emissions: the SensLine gives you that extra power. Back-thinned detectors move the wiring from the front to the back of the sensor, giving more space for photosensitive surface. Our triple stage TEC cooling keeps the detector at a steady 5 degrees Centigrade. The AvaSpec SensLine product line includes five high-sensitivity, low-noise spectrometers. Three of the instruments are based on back-thinned detector technology, of which two feature high-performance thermoelectrically cooled detectors.

                  The other two models are based on standard CCDs, upgraded to high-performing instruments as a result of Avantes’ unique and recently improved detector cooling technology. The back-thinned CCD detectors featured in the AvaSpec SensLine product family are high quantum efficiency detectors with excellent response in the UV, VIS and NIR from 200-1160 nm. AvaSpec SensLine instruments are fully integrated with Avantes’ modular platform, allowing them to function standalone, or as multi-channel instruments. These products are fully compatible with other AvaSpec instruments in our AvaSpec StarLine and AvaSpec NIRLine product families. The entire AvaSpec SensLine is available as a lab instrument or an OEM module for integration into a customers’ existing system.Avantes’ innovative ultra-low stray-light (ULS) and revolutionary new High-Sensitivity (HS) optical benches are the core optical technologies in the AvaSpec SensLine. These highly stable optical benches combined with our high-performance AS5216-USB2 electronics board deliver high-performance instruments at affordable prices.All members of the AvaSpec SensLine are designed to provide performance features such as:
                  • High-stability
                  • High-sensitivity
                  • High-speed acquisition
                  • Low-noise
                • NIRLine

                • For measurements in the NIR region of 900 to 2500 nm, Avantes has developed a line-up of NIRLine spectrometers. Starting at the affordable AvaSpec-NIR256-1.7, also available with replaceable slit, the line-up features the most sensitive cooled near infrared spectrometers on the market, up to 2500 nm.

                  The NIRLine is comprised of both thermo-electrically cooled and un-cooled instruments. AvaSpec-NIR256-1.7 features an uncooled 256 pixel InGaAs detector. All other instruments in the NIRLine have thermo-electric, peltier-cooled InGaAs detectors which support cooling down to -25°C against ambient. AvaSpec NIRLine instruments are fully compatible with our AvaSpec StarLine and SensLine spectrometers. Avantes’ AvaSpec NIRLine instruments are available as laboratory instruments or OEM modules. AvaSpec NIRLine instruments are available with a number of premium options such as irradiance/intensity calibration and non-linearity calibration.The AvaSpec NIRLine of instruments are designed to perform in a variety of applications such as:
                  • Moisture content measurement of
                  • liquids, solids and powders for inline
                  • and quality control purposes
                  • Quantitative and qualitative measurement of volatile organics such as ethanol, and methanol
                  • Plastic characterization and material identification
                  • Irradiance measurements, such as solar monitoring
                  • Qualitative measurements of feed and food
              • Light sources

              • For applications such as transmission, absorption and reflection, illumination sources are needed. Avantes offers a wide range of different light sources, to suit your specific needs. An overview of the different options can be found on this page.
                  • AvaLight-DHc Full-range Compact Light Source

                  • Get the best out of two worlds with the AvaLight-DHc. It has both a deuterium light source and a halogen light source, providing you with adequate light between 200 and 2500 nm for nearly all absorbance chemistry applications. Deuterium emits light between 200 and 550 nm, where the halogen takes over up to 2500 nm. Coupling to the rest of your spectroscopy system is easy with the SMA connector.

                    This light source is recommended in settings with large fiber cables or direct-attachment to a cuvette holder such as the CUV-DA, due to its relatively low output energy. The integrated TTL-shutter makes saving a dark measurement very simple in combination with AvaSoft (extra IC-DB26-2 needed).

                    Optionally the AvaLight-DHc is available in a rack-mountable version, to be used in the 19” rack or the 9.5” desktop system.
                  • AvaLight-HAL-(S)-Mini

                  • From visible light to near infrared, that’s where the AvaLight-HAL-(S)-Mini works best. It’s a compact, stabilized halogen light source, with adjustable focusing of the fiber connection, maximizing output power at the desired wavelength. The light source also has adjustable output power to provide extra power or longer bulb life.

                    A filter-slot mounted on the front of the AvaLight-HAL-Mini accepts 1” round or 2” x 2” square filters, to block specific ranges of wavelengths or instantly lower the intensity.

                    The adjustable focus on the AvaLight-HAL-Mini helps you getting the most out of your light source: it makes sure all possible power is transmitted through your optical fiber. Bulb replacement is easy and can be done in a matter of minutes.
                  • AvaLight-D(H)-S Deuterium-Halogen Light Sources

                  • In need of more power than the AvaLight-DHc? The AvaLight-DH-S is Avantes’ most powerful deuterium halogen source. Like the DHc it is also a combined deuterium and halogen light source, capable of transmitting light in the UV/VIS/NIR-range, but has 35 times more halogen output and up to 300 times more deuterium power. The source has a prominent 656 nm deuterium peak which can limit dynamic range (see Avalight-DH-S-BAL as an alternative). It includes a focusing lens assembly, to fully utilize the possibilities and size of your fiber.

                    The AvaLight-D-S is a deuterium light source only, making it a great option for measurements in the UV range, 190-400 nm. The AvaLight-D-S-DUV version starts even lower at 175 nm, for your deep-UV experiments. This version also offers twice the intensity at 200 nm.
                  • AvaLight-DH-S-BAL Balanced Power

                  • The AvaLight-DH-S is a powerful deuterium halogen source, but like any unbalanced deuterium halogen source it does have a very dominant alpha peak at 656 nm. This is why Avantes developed the DH-S-BAL, in which this peak is drastically reduced by a dichroic filter. This means less power, but an increase in the dynamic range of a factor 20. A comparison spectrum as taken with a standard AvaSpec-2048 is shown on the next page.

                    The light source delivers a continuous spectrum with high efficiency. The highest stability is in the ultraviolet, visible and near infrared range, from 200 to 2500 nm. An integrated TTL-shutter and filter holder for filters of up to 50x50x5.0 mm are included. The TTL-shutter can be controlled from any AvaSpec spectrometer, which means the auto-save dark-option in AvaSoft software can be used (please note: IC-DB26-2 cable needed).
                  • AvaLight-XE Pulsed Xenon

                  • Perfect for ultraviolet applications like fluorescence, the AvaLight-XE is a pulsed xenon light source. When connected to your AvaSpec spectrometer through the IC-DB26-2 cable (sold separately), the flashes are synchronized with the data collected by the spectrometer. In AvaSoft the number of flashes per scan can be selected.

                    With a special DUV bulb the AvaLight-XE can be used for deep ultraviolet application (below 200 nm). A special direct-attach cuvette holder is available for your fluorescence applications. For transmission measurements, the Avalight-XE can be used in conjunction with the CUV-ATT-DA which has an iris attenuator to limit the light output and to avoid saturation.
                  • AvaLight-HAL-CAL-Mini and DH-CAL Calibrated Light Sources

                  • Calibrating your spectrometer has never been easier: the AvaLight-HAL-CAL-Mini and Avalight-DH-CAL are NIST traceable calibrated light sources to measure absolute spectral intensity.

                    The AvaLight-HAL-CAL-Mini is a compact, affordable light source. It is calibrated for the visible range (350-1095 nm). Optionally, an extended calibration for the near-infrared spectral range (1100-2500 nm) can be ordered. It has a built-in diffuser, a cosine corrector with SMA adapter and comes with a calibration file in ASCII format. Calibration can be done using the AvaSoft software.
                  • AvaLight-CAL-(Mini) Spectral Calibration Source

                  • The AvaLight-CAL-xxx is a spectral calibration lamp. It’s available in Mercury-Argon (253.6-922.5 nm), Neon (337-1084.5 nm), Argon (696.5-1704 nm) Zinc (202.5-636.2 nm) and Cadmium (214.4-643.8 nm) versions. The major lines including their relative intensity and structures are shown below.

                    The standard SMA-905 connector supplies an easy connection between the lamp and optical fibers, making the AvaLight-CAL-xxx a low cost wavelength calibration system for any fiber-optic spectrometer. AvaSoft-Full spectroscopy software includes an automatic recalibration procedure.
                  • AvaLight-LED Light Sources for Fluorescence Applications

                  • The Avalight-LED is a compact, low-cost light source meant for fluorescence applications. It produces continuous or pulsed spectral output at different wavelengths. Some standard excitation wavelengths are shown in the table on this page, but other wavelengths are available upon request. The sources have an SMA-905 connector to couple to fiber-optics. Please note that the power supply (PS-12V/1.0A) should be ordered separately.

                    The AvaLight-LED can be used as a DC source or pulsed with a programmable Pulse Width Modulation (PWM), supplied by an AvaSpec-USB2 spectrometer (IC-DB26-2 cable needed).

                    The CUV-DA is a cuvette cell holder that has an integrated LED for direct illumination of the cell. This provide greater excitation energy for fluorophores with low quantum efficiency.
                  • Integrating Sphere with halogen light source

                  • Providing up to 160 times more light on your sample for a reflection measurement relative to our standard reflectance integrating sphere, the AvaSphere-50-LS-HAL-12V is a valuable instrument for reflection applications. It is a combination of an integrating sphere and a halogen light source. The sphere provides diffused halogen light on your sample without the losses associated with fiber-optic coupling. It has a direct collimated SMA-port for collection of the reflection signal with any of our AvaSpec spectrometers.

                    It’s mostly useful for dark or low reflecting materials and NIR spectral measurements where signal strength can be limited. It is also very useful for measuring gem stones. In the application section of this catalog a complete gemology setup can be found.
                • Fiber-optics

                • The use of fiber-optics as light guidance allows a great modularity and flexibility in the setup of an optical measurement system. Optical fibers can be made of many materials, such as plastic, glasses and silicates (SiO2). For high quality fiber-optics, as used in spectroscopic applications, synthetic fused silica (amorphous silicon dioxide) is used, that can be intentionally doped with trace elements to adjust the optical properties of the glass.
                    • Fiber-optic Cables

                    • Avantes offers a wide range of fiber-optic cables, which can be made in a variety of lengths and configurations to meet your needs. For common applications, a 2 meter length is sufficient and for this reason it is our standard fiber length.

                      Avantes offers SMA-905 or FC/PC connectors and these can be the same or different on both ends. For some applications, special round to linear fiber cables are recommended in which a bundle of fibers configured in a round pattern on one end and a linear array on the other end. The linear array (typically 1 mm in height) is aligned with the slit height of the spectrometer which is also 1 mm. This fiber configuration provides maximized light throughput for applications requiring high-sensitivity.
                    • Multi-furcated Fiber-optic Cables

                    • Simultaneous multi-point measurements and Avantes multi-channel spectrometers, require multi-furcated fiber-optic cables. These assemblies can function as a combiner or splitter of light as they have multiple legs on side which converge into a single connector on the opposite side. Avantes offers virtually any combination possible, which can be adapted to your requirements.
                      Typical setups that require multi-furcated cables are:
                      • One sampling point such as an integrating sphere, cosine corrector or collimating lens being measured from several spectrometers (individual AvaSpecs or Multi-channel).
                      • Multiple illumination fibers splitting out from one light source to different sampling points.
                    • Reflection Probes with multiple legs

                    • For some measurements, a reflection probe is needed that can be coupled to two spectrometers and a light source. A good example is a reflection measurement in the UV/VIS and NIR range. For these situations, Avantes offers our reflection probes with multiple legs.

                      The light from a light source is coupled into a fiber bundle, consisting out of 17 illumination fibers which transport the light to the end of the probe. The reflected light is uniformly reflected into the two read fibers, each of which is connected to a spectrometer. In the example of a UV/VIS and NIR configuration a mix of high OH UV/VIS fiber and low OH VIS/NIR fibers are used for the respective light wavelengths and spectrometer types.
                    • Reflection Probe (Standard)

                    • To obtain spectral information of diffuse, or specular materials, reflection probes are used. The light from a light source is sent through six illumination fibers to the sample and the reflection is measured by a 7th fiber in the center of the reflection probe tip. The 7th fiber is coupled to a spectrometer configured to the appropriate wavelength range of interest. More illumination fibers can be added to get more energy from the light source and therefore increase the reflection signal level.

                      For measurements under an angle of 90°, the FCR-90-Option was developed. It’s a special adapter with a mirror positioned at 45° and can be easily mounted on the tip of Avantes standard reflection probes.
                    • Reflection Probes with Reference

                    • In order to correct fluctuations and drift from your light source, periodic referencing is required. To facilitate this, Avantes offers this series of reflection probes with a self-referencing feature. The light coming from the light source is bundled into 12 fibers, which are split into two 6 fiber bundles. One of these bundles is carried to the probe end for sample measurement and the other bundle of 6 are directed to a white reflection tile built into the probe to provide a light source reference. This reference leg is connected to a slave spectrometer channel dedicated to light source referencing or may be routed to a single channel via a fiber-optic (contact a Sales Engineer about this special configuration). On the measurement side the probe end has a 7th fiber which reflects light back to the master spectrometer channel.
                    • Reflection Probes with small tips

                    • For some medical and semiconductor applications, a (very) small tip is desirable to do reflectance measurements. Avantes offers two standard diameters of small tip reflection probes, 1.5 and 2.5 mm and each tip is normally 100 mm long (custom lengths available).

                      The probe is configured with an illumination leg with six 200 μm fiber cables which connects to a fiber coupled light source and a single 200 μm read fiber cable to measure the reflection via connection to a spectrometer.

                      A special angled fiber holder (AFH-15) is available for the 1.5 mm diameter reflection probe. This device enables reflection measurements under angles of 15, 30, 45, 60, 75 and 90 degrees.
                    • Reflection Probes for Powders and Thick Fluids

                    • For effective measurement of reflection in powders and thick fluids, Avantes offers this specially designed this series of reflection probes. The probes allow the user to simply dip the probe into the powder or thick fluids to do the measurements.

                      The illumination leg of the probe is connected to a light source and carries light to the sample via a bundle of six fibers. At the probe tip, a 45 degree sapphire window illuminates the sample and collects the indirect reflections which are carried by a single fiber to the spectrometer. The 45 degree angle of the probe prevents the measurements of direct back reflection from the window, thus improving the dynamic range of your measurement.
                    • 1/2" Industrial Reflection Probes for Powders and Thick Fluids

                    • For industrial applications that need reflection measured in thick liquids or powders, this probe is the ideal choice. The stainless steel cylinder and probe end make it withstand extreme situations. The tip is exchangeable and waterproof. Optionally PEEK or Hastelloy® C276 can be used as tip material.

                      The light enters from the light source through six bundled fibers to the probe end, where it lights the material to be analyzed through a silica window angled at 45 degrees. This angle prevents any light to be reflected from the window. The light is selectively reflected through the seventh fiber in de probe. This fiber leads to the connected spectrometer.
                    • 1/2" Industrial Fluorescence Probe

                    • For effective measurement of fluorescence, Avantes offers this specially designed reflection probe. It features 12 excitation fibers of 200 μm around a 600 μm read fiber, which transports the fluorescence signal back to the spectrometer.

                      To turn the 45° reflection probe into a fluorescence probe, a special reflector accessory, FCR-FLTIP-IND, is attached to the probe end. It prevents ambient light to enter the probe and backscatters the excitation light. This increases the typically low fluorescence signal. The fluid channel path can be varied between 0 and 5 m
                    • Mini Transmission Dip Probe

                    • For absorption measurements in miniaturized centrifuge tubes or vessels, Avantes offers the mini transmission dip probe. It features a miniaturized tip which is 130 mm long and 3.2 mm in diameter.

                      The mini transmission dip probe has a fixed 5 or 10 mm optical path length. It is available in three different versions: one for UV/VIS (200-800 nm) measurements, one for VIS/NIR (350-2500 nm) and one for UV/VIS/NIR (250-2500 nm). For best results below 240 nm, solarization resistant fiber (-SR) is recommend. The probe features Avantes ME, chrome plated brass, jacketing.
                    • Transmission Dip Probes

                    • For online and inline absorbance measurements in fluids, transmission dip probes are used. When dipping or permanently mounting the probe end into the fluid, absorbance can be measured.

                      A standard SMA-905 connector is used to couple light into a fiber bundle, typically consisting out of six fibers (other configurations available upon request). The light is transmitted to the probe end, where it crosses the predetermined gap and is then reflected against a diffuse white reflective material back onto the receiving read fiber, which is coupled, to a spectrometer on the second leg of the probe.
                    • Transmission Dip Probe with Variable Path Length

                    • For more flexibility during absorbance measurements in fluids, this fiber-optic probe features a variable and adjustable path length. The gap between the fiber and the diffuser can be set anywhere between 0.25 and 10 mm.

                      A standard SMA-905 connector is used to couple light into a fiber bundle, typically consisting out of six fibers (other configurations available upon request). The light is transmitted to the probe end, where it crosses the predetermined gap and is then reflected against a diffuse white reflective material back onto the receiving read fiber which is coupled to a spectrometer on the second leg of the probe.
                    • Special Fiber Assemblies and Probes

                    • For some applications a very specific fiber or probe is needed. Avantes has over 20 years of experience in designing the custom probes for unique applications. Avantes has significant expertise in designing fiber-optics for high temperature (HTX), high pressure (HP), vacuum and other difficult conditions. Avantes wide variety of standard and custom materials can be configured to provide a fiber assembly which can meet the challenges of your environment.

                      Below are some examples of our special designs. Please contact us to discuss your needs.
                    • Collimating Lens

                    • To convert divergent beams of light into a parallel beam, a collimating lens is needed. Avantes collimating lenses are optimized for the UV/VIS/NIR range (200-2500 nm) and have anodized aluminum housings.

                      The COL-UV/VIS and COL-90-UV/VIS have a 6 mm diameter lens with a confocal length of 8.7 mm. The COL-90-UV/VIS is used when a 90-degree exit angle is needed. The focal point for the COL-UV/VIS and COL-90-UV/VIS can be adjusted. The COL-UV/VIS can also be ordered with an FC/PC connector.

                      The COL-UV/VIS-25 is the big brother of the COL-UV/VIS. It has a lens diameter of 25 mm and a confocal length of 50 mm. This larger collimating lens is suitable for collection of light in free space.
                    • Cosine correctors

                    • To collect light from a 180° angle, cosine correctors are used. This eliminates optical interface problems associated with the light collection sampling geometry inherent
                      to other sampling devices such as bare fiber-optics, collimating lenses or integrating spheres.

                      Avantes offers four different models of cosine correctors: The CC-UV/VIS and CC-VIS/NIR have a 3.9 mm active area, and dimensions of 18 mm (L) X 6.5 mm (OD). The CC-UV/VIS is made of Teflon which especially suited for measurements in the 200-800 nm range, whereas the CC-VIS/NIR covers the full UV/VIS/NIR range of 200-2500 nm and is made of Radin Quartz.
                    • Vacuum Feedthrough

                    • These feedthroughs are designed for the use with fiber-optics in vacuum chambers, such as for plasma and coating deposition monitoring. They can be used in chambers with wall thicknesses of 5-40 mm and vacuum levels up to 10-7 millibar.

                      The feedthrough assembly consists of an M12 housing with Viton® O-ring and two SMA fiber-optic interconnects to allow easy coupling to fiber-optic cables and probes. In order to connect these assemblies to fiber-optic cables inside/outside the chamber, two extra SMA fiber interconnects (ME-FI-SM-MM) should be ordered separately.
                    • Fiber Microscope Adapters

                    • To easily mount an Avantes fiber-optic spectrometer to a microscope, a C-mount adapter is available. It connects to an SMA or FC/PC fiber-optic cable and features an outside diameter of 38 mm, 35 mm long to slide inside the tube of a microscope.

                      A special adapter with C-mount 1 inch-32 thread is available as AVS-MFA-SMA to screw onto a microscope.
                    • Fiber-optic homogenizer

                    • When connecting a multi-furcated fiber to a spectrometer or light source, light entering/exiting each of the fiber legs may or may not be uniform, so a fiber-optic homogenizer can be used to mix the signals to provide more uniform signal.

                      The compact MMA-UV/VIS-SMA fiber-optic homogenizer is made of anodized aluminum and has female SMA-905 connectors on both ends. Internally, a highly transmissive Suprasil-Rod with a diameter of 1 or 3 mm transmits the light from one end to the other (from bundle to single fiber) and perfectly mixes the modes.
                    • Reflection Probe Holders

                    • The RPH-1 is to be used with our standard reflection probes, which are 6.5 mm in diameter. The holder enables positioning of the probe tip in two angles: 45 degrees for diffuse reflection measurements and 90 degrees (normal to sample) for specular reflection. This assembly is mostly used to facilitate color measurements.

                      A setscrew is included to mount the probe into position. The RPH-1 is a small device, measuring only 60 by 30 by 30 millimeters. It’s made of black anodized aluminum.
                    • Fiber Interconnects

                    • To connect one fiber to another, a fiber interconnect is needed. They can be useful for coupling patch cords to fiber-optic probes and other devices, or for any multiple-fiber application where coupling of standard optical fibers and accessories is preferable to creating costly and complex fiber-optic assemblies.

                      Bulkheads
                      Avantes bulkhead adaptors for TO-5 and TO-18 packages are ideal for coupling an LED to a fiber-optic cable: the back side has space for an LED.
                  • Applications

                      • Markets/Industries

                      • Avantes has over 20 years of experience in applying spectroscopy and optical sensing technologies to enumerable environments and industries.
                          • Botanical/Horticulture/Agriculture measurements

                          • The application of spectroscopy to botany, horticulture and agriculture enables sophisticated spectral analysis of wavelengths of interest to plant scientists. Fiber-optic spectrometers provide the added benefit of real-time in-situ measurements of plants. Avantes’ instruments are being used in a variety of plant applications ran–ging from chlorophyll detection in crops to the measurements of sugar (ºBx or brix) in fruit, and radiometric measurements of light levels in greenhouse environments.
                          • Lighting

                          • Why Avantes for your Lighting application?
                            • Modularity products allows flexible setup
                            • Selectable parameters in software
                            • Fieldcalibration possible
                            • DLL compatible for system integration
                            • Extensive Know how and experience
                          • Environmental

                          • Why Avantes for these applications?
                            • For your research but also for OEM solutions
                            • Compact technology enabling use in portable and handheld devices
                            • High unit-to-unit reproducibility
                            • Custom specific requirements
                            • Real time monitoring
                          • Glass and Coating

                          • Why Avantes for your Glass&Coating application?
                            • High resolution plasma systems for coating and sputtering installations
                            • Ethernet (EVO) for covering long distances in green houses between sample and instrument place
                            • Haze and other glass parameters are important
                          • Chemical

                          • Why Avantes for your Chemical applications?
                            • Knowledge on applications (turbidity,flowcell, fluorescence)
                            • High temperature probes (raman, uv/vis)
                            • Spectroelectrochemistry; triggering, store to ram
                            • World wide network in this field
                          • Agriculture & Food

                          • Why Avantes for your Agriculture & Food applications?
                            • Specify color & quality of food
                            • Reliability in the field by robust technology and simplicity.
                            • High production yield enabled by fast spectroscopy for in-line monitoring systems
                            • (High sensitivity, fast data-acquisition/-transfer)
                            • Wide range of customized probes and spheres
                            • Avantes engineers to support your OEM development, from component to total design
                          • Solutions for Photonics Applications

                          • Why Avantes for your Photonics application?
                            • Fast triggering for laser measurements/AvaFemto.
                            • Store to Ram capabilities.
                            • Strong OEM product line.
                            • Peak Tracing (calculate laser pulse width)
                            • FWHM for measuring the output of laser diodes
                          • Solutions for Medical & Biomedical Applications

                          • Why Avantes for your (bio)Medical application?
                            • Thermal stability of optical bench with 8 hour test validation
                            • Ultra-low stray light design
                            • Precise timing controls over instruments to ensure repeatable measurement procedures.
                            • Option to separate eletronics board and optical bench modules
                            • High numerical aperture optical bench (HS) design for maximum light collection
                          • Solutions for Semiconductor Applications

                          • Why Avantes for your Semiconductor application?
                            • High resolution (0.1 nm FWHM or better) spectral data collection for optical emission spectroscopy applications such as end point detection
                            • High speed measurement capability (ms time scale) for wafer probing throughput
                            • Ability to support thin film metrology applications with a broadband instrument configuration covering 360-1100 and 200-1100 nm.
                            • Wide selection of back-thinned CCD array instruments for optimal SWIR measurements (800-1100 nm) of coatings
                            • Affordable NIR spectrometer options with high speed, low noise electronics
                          • Evaluation of grape quality by a vis/nir system

                          • The food sector could be greatly helped by new analytical methods that are accurate, rapid, and integrated into the production process to meet consumer demand and respect limits imposed by international standards. Grape composition at harvest is one of the most important factors determining the future quality of wine. Measurement of grape characteristics that impact product quality is a requirement for vineyard improvement and for optimum production of wines. Inspection of grapes upon arrival at the winery is a critical point in the wine production chain. This check determines both the quality of the wine and the viticulturers' fees.
                          • Food Applications

                          • Food safety and analysis is a hot topic these days. The food sector could be greatly helped by new analytical methods that are accurate, rapid, and integrated into the production process to meet consumer demand and respect limits imposed by international standards. Spectroscopy is an excellent tool to analyse the new technologies and developments within the food and beverage industry.

                            We have here some interesting articles on food applications which we love to share with you.
                          • High resolution Plasma Measurements

                          • Why Avantes for your Plasma application?
                            • Ability to support synchronous measurement accross multiple spectrometer channels to acquire the spectrum of plasma at the same time every time. Software stitches spectra together.
                            • High resolution (0.1 nm FWHM or higher) to resolve and identify atomic lines and molecular spectra within plasma
                            • Ability to acquire spectra in high speed (ms time scale) and communicate events via digital & analog ports
                          • Solar spectrum Irradiance measurement

                          • Typical solar spectrum Irradiance measurement applications include scientific meteorological/climate observations, material testing research, solar collector/Photo Voltaic panel efficiency and solar renewable resource assessment.

                            Sunlight may be recorded using a pyranometer, pyrheliometer or the AvaSolar system as described below. In the AvaSolar setup configuration we have a total of 4 channels, 2 x an identical setup for 200-2500nm. One spectrometer setup measures the direct sun radiation through a CC-UV/VIS/NIR-5.0 special cone cosine corrector with 5 degrees opening angle (see section Fiber Optics - Cosine correctors page 104).
                          • Biomedical applications

                          • Avantes has extensive experience in the biomedical industry. Over the years, we have supported the development of both non-invasive and invasive spectrometry solutions for tissue and blood parameter measurements.

                            Some of the important medical indicators which Avantes has worked with include oxygen, hemoglobin, cytochrome and water concentration measurements in tissues and in the venous system. The AvaSpec-ULS2048-USB2 and our SensLine instruments are frequently recommended for these applications. The AvaLight-HAL tungsten halogen light source provides an excellent, high-stability VIS/NIR source for biomedical applications involving reflection measurements. Avantes worked successfully with many customers to enable continuous measurements of oxygen saturation, concentration of total, oxygenated and deoxygenated hemoglobin.
                          • Gemology measurement setup

                          • Why Avantes for your Gemology application?
                            • Applications experience of the configuration needed to test the different grades of diamonds
                            • Wide range of Spectrometers to provide optimised & cost effective solutions.

                            Custom probe manufacture (like a zero fluoresence probe)
                            The measurement needs of the Gemology industry are demanding for a series of reasons. Chief among these can be low signal measurement and the need for rapid measurement systems to handle the volume of gemstones measured. Avantes offers basic measurement tools as well as advanced systems to meet various gemological requirements. Measurements can be accomplished with fairly simple systems using either integrating spheres or reflection probes up to photoluminescence systems requiring lasers and TE-cooled spectrometers.
                          • Thin Film measurements

                          • Optical thickness of a coating is determined by white light interference and the pattern is translated into optical thickness through mathematical calculations.

                            Thin film metrology involves the use of these mathematical calculations to the presence and thickness of coatings which have been deposited on a substrate material using a variety of processes. The techniques available for this measurement range from profilometry to ellipsometry, spectroscopic reflectometry and x-ray analysis. Avantes instruments and fiber-optic sampling tools enable spectroscopic reflectometry measurements to support applications in a variety of industries from semiconductor to solar and optical coating measurements. Avantes thin film solutions provide low cost measurement systems for single and multi-layer thin films on a number of substrates.
                          • LED measurements

                          • The measurement of LEDs presents unique application requirements for which Avantes has the appropriate instrumentation and applications experience to assist our customers in configuring a system. Avantes’ many years of working with LED application has prompted us to develop a variety of system configurations that meets most LED metrology requirements. Light Emitting Diodes can be measured in a wide variety of colors and brightness. Accurate measurement of the LEDs therefore is essential. This can be done in two ways: photometry and radiometry.
                        • Measurement Techniques

                        • Spectroscopy allows us to measure materials in many different ways. It depends on your needs to decide which technique will suit you best.
                            • NIR Reflection

                            • Why Avantes for your NIR reflection measurement?
                              • High sensitivity in the NIR (2500nm) range.
                              • Ability to enter calibrated reference tiles into software.
                              • NA of 0.13 offers optimal balance between resolution and sensitivity.
                              • 512 pixel detector for more data points.
                              • Small, modular platform
                            • DA Beamsplitter/combiner for correct for drift with a cuvette

                            • Why using a DA Beamsplitter/combiner for correction of the Drift? When measuring the transmission of a reference solution against time, the output should in theory remain 100% transmission. In practice this output value will not remain exactly fluctuating around 100% transmission, but the signal will slowly drift away. The reason for this drift is a combination of drift caused by the lightsource and drift of the spectrometer. Drift of the lightsource can be caused by warming up or aging over time or different flashes in case of a Xenon Flash source. Drift of the spectrometer can be caused by a change of the temperature in the optical bench which causes micro bending of the components inside. The correct for drift function in AvaSoft will now use the changes in the reference signal to make a correction on the signal of the channel which measures the sample.
                            • LIBS

                            • Avantes has some great advantages in LIBS applications:
                              • Multirack in combination with resolution
                              • Timing and triggering
                              • Extensive knowledge on LIBS
                            • Transmission/Reflection

                            • Why Avantes for your Transmission/Reflection application?
                              • Multi-channel capability for UV through NIR measurements (200-2500nm).
                              • Many accessories for versatile setups (i.e. probes, stages, holders, etc).
                              • Replaceable slit option for customers that can’t decide between throughput and resolution
                            • Raman

                            • Raman spectroscopy is especially useful for product identification, reaction monitoring, remote sensing and any other applicable measurement. It provides an invaluable analytical tool for molecular finger printing as well as monitoring changes in molecular bond structure (e.g. state changes and stresses & strains).

                              Avantes uses the high-sensitivity AvaSpec spectrometers in combination with a wide variety of lasers (including 532, 633 and 785 nm) to give you the best result for your Raman measurements. The spectrometers are appropriately configured according to the wavelength of the laser.

                              Why Avantes for your Raman application?
                              • High temp Raman probes
                              • 3 stage peltier cooling in combination with replaceable slit
                              • New AvaSpec HERO is very important for S/N
                              • Laser probe combination relationship critical as you sell a raman system
                            • Color Measurement

                            • Why Avantes for your Color application?
                              • Fast Spectroscopy enabling high production rates
                              • Software add-on for color characterisation available
                              • Flexibilty in hardware solutions matching the needs of the application and the circumstances.
                              • Color of objects and color of light.
                              • Many applications (LEDs, surfaces, small areas)
                              • Partner for OEM developments
                            • DA Beamsplitter/combiner for correct for drift with a flowcell

                            • Why using a DA Beamsplitter/combiner for correction of the Drift? When measuring the transmission of a reference solution against time, the output should in theory remain 100% transmission. In practice this output value will not remain exactly fluctuating around 100% transmission, but the signal will slowly drift away. The reason for this drift is a combination of drift caused by the lightsource and drift of the spectrometer. Drift of the lightsource can be caused by warming up or aging over time or different flashes in case of a Xenon Flash source. Drift of the spectrometer can be caused by a change of the temperature in the optical bench which causes micro bending of the components inside. The correct for drift function in AVAsoft will now use the changes in the reference signal to make a correction on the signal of the channel which measures the sample.
                            • Beamsplitter/combiner Fluorescence and Absorbance measurements

                            • The Beamspliter/Combiner can be used in several set ups, combining several instruments. One possibility is to combine a Fluorescence and an Absorbance application.

                              By using the DA Beam combiner we can measure Absorbance and Fluorescence at the same time. The Da Beam combiner will receive both Absorbance and Fluorescence signals and can switch between these signals. So we see both Absorbance and Fluorescence spectra in the software, the spectrum will only be updated when the Beamcombiner is in the right position.
                            • Fluorescence measurements

                            • Fluorescence spectroscopy, also known as fluorometry or spectrofluorometry, is a type of electromagnetic spectroscopy, which analyzes fluorescence from a sample. It involves using a beam of light that excites the electrons in molecules of certain compounds and causes them to emit light; typically, but not necessarily, visible light. It is a useful technique in many biological (chlorophyll and carotenoid), biochemical (fluorescence diagnosis of malignancies) and environmental applications. For most fluorescence applications the amount of fluorescence energy emitted is only 3% of the amount of excitation light energy. Fluorescence light has a lower energy (higher wavelength) than the excitation energy and is usually scattered light. This means it emits energy in all directions.
                            • Irradiance / Spectroradiometry

                            • Radiometry deals with the measurement of all optical radiation inclusive of the visible portion of this radiant energy. Irradiance is a parameter of radiometry. It describes the amount of radiant power impinging upon a surface per unit area. Irradiance measurements can be done in the UV, VIS and NIR wavelength ranges.
                            • UV/VIS/NIR absorbance measurements

                            • Why Avantes for Absorbance measurements?
                              • Range to cover most/all measurements i.e. High resolution, High resolution, Cooled & Uncooled
                              • Sample test at Apeldoorn and/or Demo loan
                              • Accessories – Micro flowcells, FoS or beam combiner to measure light source drift
                              • Pre-sales support to prove the customer has the best set up e.g. Averaging, Smoothing, choice of accessories, Fibre types etc.
                            • Monitoring fertilizer concentration on the go

                            • Site specific Nitrogen fertilization is one of the main objectives in precision agriculture. The Nitrogen sensor consists of a dual channel AvaSpec spectrometer, fiber-optics and processing electronics mounted in a blue cap on top of a tractor.
                            • Plasma measurement monitoring

                            • Why Avantes for your Plasma application?
                              • Ability to support synchronous measurement accross multiple spectrometer channels to acquire the spectrum of plasma at the same time every time. Software stitches spectra together.
                              • High resolution (0.1 nm FWHM or higher) to resolve and identify atomic lines and molecular spectra within plasma
                              • Ability to acquire spectra in high speed (ms time scale) and communicate events via digital & analog ports