SM-I-12

HgCdTe (MCT) Detection Module

2.0 – 14.0 µm, 10 Hz - 1 MHz, with optically immersed photoconductive detector

SM-I-12 is an ultra-small IR detection module. Thermoelectrically cooled, optically immersed photoconductive detector, based on HgCdTe heterostructure (PCI-3TE-12-1×1-TO8-wZnSeAR-36) is integrated with transimpedance, AC coupled preamplifier. There is a possibility to manually adjust gain of the signal. 3° wedged zinc selenide anti-reflection coated window prevents unwanted interference effects. SM-I-12 is easy to assembly in space limited measuring systems of FTIR applications.

DATASHEET

Spectral response (Ta = 20°C)

Features

Wide spectral range from 2.0 to 14.0 µm
High responsivity
Large dynamic range
Very small size
Convenient to use
Quantity discounted price
Fast delivery

Applications

FTIR spectroscopy and spectrometry

Specification (Ta = 20°C)

Parameter	Typical value
Optical parameters
Cut-on wavelength λ_cut-on (10%) µm	≤2.0
Peak wavelength λ_peak, µm	10.0±0.2
Optimum wavelength λ_opt, µm	12.0
Cut-off wavelength λ_cut-off (10%) µm	14.0±0.2
*Detectivity D(λ_peak, 20 kHz), cm⋅Hz^1/2/W**	≥2.5×10⁹
*Detectivity D(λ_opt, 20 kHz), cm⋅Hz^1/2/W**	≥1.3×10⁹
Output noise density v_n(20 kHz), μV/Hz^1/2	≤6
Electrical parameters
Voltage responsivity R_v(λ_peak, 100 kV/A), V/W	≥1.35×10⁵
Voltage responsivity R_v(λ_opt, 100 kV/A), V/W	≥6.30×10⁴
Voltage responsivity R_v(λ_peak, 55 kV/A), V/W	≥7.45×10⁴
Voltage responsivity R_v(λ_opt, 55 kV/A), V/W	≥3.45×10⁴
Low cut-off frequency f_lo, Hz	10
High cut-off frequency f_hi, Hz	1M±0.1
Output impedance R_out, Ω	50
Output voltage swing V_out, V	±10 (R_L = 1 MΩ^*))
Output voltage offset V_off, V	max ±20
Other information
Active element material	epitaxial HgCdTe heterostructure
Optical area A_O, mm×mm	1×1
Window	wZnSeAR
Acceptance angle, Φ	~36°
Ambient operating temperature T_a, °C	10 to 30
Signal output socket	MMCX
Power supply and TEC control socket	AMPMODU 2×4 (male)
Mounting hole	none
Fan	no (external heatsink necessary)
^*) R_L – load resistance

SM-I-12

HgCdTe (MCT) Detection Module

2.0 – 14.0 µm, 10 Hz - 1 MHz, with optically immersed photoconductive detector

Spectral response (Ta = 20°C)

Features

Applications

Specification (Ta = 20°C)

Parameter

Typical value

Mechanical layout, mm

Related documents