DH-MCT12 Dewar-Cooled Photodiode (2-12µm)

  • DH-MCT12 detector 2-12 µm

Housing a 2x2mm active area MCT photodiode (2-12µm), the DH_MCT12 is operated in the photoconductive mode with the dedicated 475 ultra-low noise pre-amplifier module. Using an optically chopped input, the signal generated by this detector is best measured by the 496 DSP lock-in amplifier. Operation in the cryogenic mode offers ultimate sensitivity and low noise performance.

The mounting flange supplied with the DH_MCT12 is compatible with the entire range of Bentham monochromators and accessories.

Core benefits


  • Dewar-cooled, mercury cadmium telluride detector
  • 2x2mm diameter active area
  • 8 hour Dewar hold time
  • Operated in AC mode
  • Compatible with Bentham's entire range of monochromators and accessories
  • Suitable for free standing applications
  • Recommended for use with 400 series detection electronics


Material Mercury cadmium telluride
Active area 2x2mm
Spectral response range 2-12μm
Operating mode Photoconductive
Shunt resistance (typ.) 100Ω
Peak wavelength (typ.) 10µm
Field of view 60°
Detectivity > 5 x 1010 cm.Hz½.W-1


Connector SMA
Compatibility Interface plate with 4 x M3 clearance holes (Bentham slit pattern)
Dimensions 64L x 64W x 133H (mm)

Order Information

DH_MCT_12 Dewar-cooled mercury cadium telluride detector

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