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.

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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 (T_a = 20°C)

Parameter	Typical value
Optical parameters
Cut-on wavelength λ_cut-on (10%) µm	3.7±0.2 4.75±0.2
Peak wavelength λ_peak, µm
Optimal wavelength λ_opt, µm	5.0
Cut-off wavelength λ_cut-off (10%) µm	5.8±0.2
*Detectivity D(λ_peak), cm ⋅Hz^1/2/W**	≥2.4×10⁹
*Detectivity D(λ_opt), cm⋅Hz^1/2/W**	≥2.2×10⁹
Electrical parameters
Voltage responsivity R_v(λ_peak, R_Load = 1 MΩ), V/W	≥5.0×10⁴
Voltage responsivity R_v(λ_opt, R_Load = 1 MΩ), V/W	≥4.6×10⁴
Low cut-off frequency f_lo, Hz	DC
High cut-off frequency f_hi, kHz	≥650
Output impedance R_out, Ω	50
Output voltage swing V_out(R_Load = 1 MΩ), V	-1 (negative output)
Output voltage offset V_off, mV_DC	max -200
Power supply voltage V_sup, V_DC	+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 T_a, °C	10 to 30