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HgCdTe (MCT) 32-Channel IR Detection Module32EM-5-02

MWIR, with thermoelectrically cooled photovoltaic 32-element linear detector

32EM-5-02 is a 32-channel detection module. Thermoelectrically cooled MWIR HgCdTe 32-element photovoltaic detector with active area of single element 0.1 mm × 0.1 mm is integrated with DC-coupled 32-channel transimpedance preamplifier.

Features

High sensitivity

High-speed response

32 channels

Low crosstalk

Compact small size

Convenient cryogenic-free operation

External heatsink is necessary (recommended thermal resistance: ~2 K/W)

External TEC controller is necessary

Applications

Spectroscopy (gas detection, breath analysis)

Slow and fast contactless temperature measurement (railway transport, industrial and laboratory processes monitoring)

Optical sorting systems

Laser beam profiling and positioning

Flame and explosion detection

Defense and security

Combustion process control

Specification (Ta = 20°C)

Parameter
Typical value
Optical parameters
Cut-on wavelength λcut-on (10%) µm
3.7±0.2
4.75±0.2
Peak wavelength λpeak, µm
Optimal wavelength λopt, µm
5.0
Cut-off wavelength λcut-off (10%) µm
5.8±0.2
Detectivity D*(λpeak), cm ⋅Hz1/2/W
≥2.4×109
Detectivity D*(λopt), cm⋅Hz1/2/W
≥2.2×109
Electrical parameters
Voltage responsivity Rvpeak, RLoad = 1 MΩ), V/W
≥5.0×104
Voltage responsivity Rvopt, RLoad = 1 MΩ), V/W
≥4.6×104
Low cut-off frequency flo, Hz
DC
High cut-off frequency fhi, kHz ≥650
Output impedance Rout, Ω 50
Output voltage swing Vout(RLoad = 1 MΩ), V -1

(negative output)

Output voltage offset Voff, mVDC
max -200
Power supply voltage Vsup, VDC
+5
Other information
Active elements material
epitaxial HgCdTe heterostructure
Number of elements
1×32 linear array
Active area of single element A, mm×mm
0.1×0.1
Distance between active elements, μm
50
Window
pAl2O3AR
Acceptance angle, Φ
~70°
Ambient operating temperature Ta, °C
10 to 30

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

32EM-5-02

Mechanical layout, mm

32EM-5-series-scaled
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Temperature sensor characteristics

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