home-icon/Products / Infrared detectors / HgCdTe (MCT) Photovoltaic / HgCdTe (MCT) Photovoltaic Detector PVI-2TE-4-1×1-TO8-wAl2O3-36

HgCdTe (MCT) Photovoltaic DetectorPVI-2TE-4-1×1-TO8-wAl2O3-36

2.4 – 4.3 µm, ambient temperature, optically immersed

PVI-2TE-4-1×1-TO8-wAl2O3-36 is two-stage thermoelectrically cooled IR photovoltaic detector based on sophisticated HgCdTe heterostructure for the best performance and stability. The device is optimized for the maximum performance at λopt = 4.0 µm. Detector element is monolithically integrated with hyperhemispherical GaAs microlens in order to improve performance of the device. Reverse bias Vb may significantly increase response speed and dynamic range. It also results in improved performance at high frequencies, but 1/f noise that appears in biased devices may reduce performance at low frequencies. 3° wedged sapphire (wAl2O3) window prevents unwanted interference effects.

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Features

High performance in 2.4 – 4.3 µm spectral range

Two-stage thermoelctrically cooled

Hyperhemiimmersion microlens technology applied

No bias required

No 1/f noise

D* better by one order of magnitude compared with the same type uncooled detector

Wide dynamic range

Quantity discounted price

Fast delivery

Applications

Gas detection, monitoring and analysis (CH4, C2H2, CH2O, HCl, NH3, SO2, C2H6)

Breath analysis

Explosion prevention

Flue gas denitrification

Emission control (exhaust fumes, greenhouse gases)

Specification (Ta = 20°C, Vb = 0 mV)

Parameter
PVI-2TE-4-1×1-TO8-wAl2O3-36
Active element material
epitaxial HgCdTe heterostructure
Cut-on wavelength λcut-on (10%) µm
2.4±0.5
Peak wavelength λpeak, µm
3.5±0.5
Optimum wavelength λopt, µm
4.0
Cut-off wavelength λcut-off (10%) µm
4.3±0.3
Detectivity D*(λpeak), cm⋅Hz1/2/W
≥4.0×1011
Detectivity D*(λopt), cm⋅Hz1/2/W
≥3.0×1011
Current responsivity Ripeak), A/W
≥2.0
Current responsivity Riopt), A/W
≥1.3
Time constant τ, ns
≤100
Resistance R, Ω
≥20000
Active element temperature Tdet, K
~230
Optical area AO, mm×mm
1×1
Package
TO8
Acceptance angle, Φ
~36°
Window
wAl2O3

Spectral response (Ta = 20°C, Vb = 0 mV)

PVI-2TE-4-1x1-TO8-wAl2O3-36

Mechanical layout, mm

2TE-TO8-imm-1

2TE-TO8 package

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Temperature sensor characteristics

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