HgCdTe (MCT) Photovoltaic Detector

2.0 – 9.0 µm, ambient temperature, multiple junction

PVM-8 is an uncooled IR photovoltaic multiple junction detector based on sophisticated HgCdTe heterostructure for the best performance and stability. The detector is optimized for the maximum performance at λopt = 8.0 μm. It especially useful as large active area detector operating within 2.0 to 9.0 µm spectral range.

Spectral response (Ta = 20°C)


  • Spectral range from 2.0 to 9.0 µm
  • Large active area from 1×1 mm^2 to 4×4 mm^2
  • Ambient temperature operation
  • No bias required
  • No 1/f noise
  • Sensitive to IR radiation polarisation

Specification (Ta = 20°C)

Active element material
epitaxial HgCdTe heterostructure
Optimum wavelength λopt, µm
Detectivity D*(λpeak), cm⋅Hz1/2/W
Detectivity D*(λopt), cm⋅Hz1/2/W
Current responsivity-active area product Riopt)·L, A·mm/W
Time constant τ, ns
Resistance R, Ω
50 to 300
Active area A, mm×mm
1×1, 2×2, 3×3, 4×4
Acceptance angle, Φ
~90° ~102°*)



*)  Aperture C = Ø4 mm.

**)  Aperture C = Ø6 mm.

Mechanical layout, mm

Dedicated preamplifier

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Selected Line

Infrared detection module integrates infrared photodetector, signal processing electronics, optics, heat dissipation systems and other components in common package. Products selected on the basis of high functionality and intended for many applications such as leak detection, gas analysis, temperature control for fast moving objects. Additional advantages of integration are improved high-frequency (HF) performance, output signal standardization and miniaturization. Selected Product Line guarantees a short order fulfillment date and an effective price.
Infrared Detection Modules

Configurable Line

A full range of preamplifiers dedicated to each type of VIGO System infrared detectors. The Configurable Line of modules enables the selection of the active area, type of preamplifier and bandwidth of the detection module. This makes it possible to adapt the module to the needs of your own application.
Programmable Thermoelectric cooler controller PTCC-01


We offer all the necessary accessories for our products. Electrical accessories such as thermoelectric cooler controllers and preamp power supplies. Mechanical accessories such as brackets for detectors and infrared modules, base mounting systems and cables dedicated to our products.

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If you need Evaluation Units, please contact us.

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