Infrared Associates InSb Detectors Product Image

InSb/HgCdTe 2 Colour Infrared Detectors

Insb/ MCT 2 colour detectors for 1 microns - 12.5 microns - LN2 cooled.

Supplier: Infrared Associates

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Technology type: Infrared Photodetectors

Indium antimonide (InSB)/MCT 2 colour detectors combine the advantages of InSb detectors with high sensitivity in the range 1 - 5.5 microns with the high sensitivity of the MCT detectors in the range up to 12.5 microns and beyond.

Principle

The HgCdTe (MCT) detector and the InSb detector are arranged at 90°. A dichroic mirror directs the shorter wavelength IR radiation to the InSb detector and the longer wavelength radiation to the MCT detector. Therefore, the best possible sensitivity is obtained over the whole IR range.

The HgCdTe element can be customised to extend its long wavelength response beyond 25mm. Custom configurations are available.

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Infrared Associates Two Colour Graph Image

What's in this range?

All the variants in the range and a comparison of what they offer

Available Insb/ MCT detectors

Model

Element size (mm)

Wavelength

D(λp,1000.1)

Available dewars

2C-0.25

0.25 x 0.25

InSb 1 - 5.5 microns à

MCT à 5.5 - 12.5µm

InSB > 1.0E11

MCT  > 3.0E10

8h , 12h, or 24h

2C-0.5

0.5 x 0.5

InSb 1 - 5.5 microns à

MCT à 5.5 - 12.5µm

InSB > 1.0E11

MCT  > 3.0E10

8h , 12h, or 24h

2C-1.0

1.00 x 1.00

InSb 1 - 5.5 microns à

MCT à 5.5 - 12.5µm

InSB > 1.0E11

MCT  > 3.0E10

8h , 12h, or 24h

2C-2.0

2.00 x 2.00

InSb 1 - 5.5 microns à

MCT à 5.5 - 12.5µm

InSB > 1.0E11

MCT  > 3.0E10

8h , 12h, or 24h

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