HgCdTe (MCT) Detection Module

UHSM-I-10.6

3.0 – 12.0 µm, over 700 MHz, with optically immersed photovoltaic detector

UHSM-I-10.6 is ultra high speed „all-on-one” IR detection module. Thermoelectrically cooled, optically immersed photovoltaic detector, based on HgCdTe heterostructure, is integrated with transimpedance, AC coupled preamplifier, a fan and a thermoelectric cooler controller in a compact housing. 3° wedged zinc selenide anti-reflection coated (wZnSeAR) window prevents unwanted interference effects. UHSM I 10.6 detection module is very convenient and user‑friendly device, thus can be easily used in a variety of LWIR applications requiring wide frequency bandwidth.

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Features

High S/N ratio

Wide frequency bandwidth over 1 GHz.

Integrated TEC controller and fan

Single power supply

DC monitor

Optimised for effective heat dissipation

Compatible with optical accessories

Fast delivery

Applications

Dual-comb spectroscopy

Heterodyne detection

Characterization of pulsed laser sources

LIDAR

Object scanners

Time-resolved fluorescence spectroscopy systems

Free-space optical communication

Telemetry

Specification (Ta = 20°C)

Parameter
Typical value
Optical parameters
Cut-on wavelength λcut-on (10%) µm
≤3.0
Peak wavelength λpeak, µm
8.5±0.5
Optimum wavelength λopt, µm
10.6
Cut-off wavelength λcut-off (10%) µm
≥12.5±0.3
Detectivity D*(λpeak, 100 MHz), cm⋅Hz1/2/W
≥1.5×109
Detectivity D*(λopt, 100 MHz), cm⋅Hz1/2/W
≥1.0×109
Output noise density vn(100 MHz), nV/Hz1/2
≤90
Electrical parameters (RL = 50 Ω*))
Voltage responsivity Rvpeak), V/W
≥1.0×103
Voltage responsivity Rvopt), V/W
≥7.0×102
Low cut-off frequency flo, Hz
300
High cut-off frequency fhi, Hz ≥700M
1/f noise corner frequency fc, Hz ≤10M
Power supply voltage V sup, V
+9
DC monitor (approx. 1 V offset, RL = 1 MΩ*))
Voltage responsivity Rvpeak), V/W
≥3.8×103
Voltage responsivity Riopt), V/W
≥2.7×102
Low cut-off frequency flo, Hz
DC
High cut-off frequency fhi, Hz
260
Other information
Active element material
epitaxial HgCdTe heterostructure
Optical area AO, mm×mm
1×1
Window
wZnSeAR
Acceptance angle, Φ
~36°
Ambient operating temperature Ta, °C
10 to 30
Signal output socket
SMA
DC monitor socket
SMA
Power supply socket
DC 2.1/5.5
Mounting hole
M4
Fan
yes
*) R – load resistance

Spectral response (Ta = 20°C)

UHSM-I-10.6

Mechanical layout, mm

UHSM-I-10.6-1

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Temperature sensor characteristics

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