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INGRID detector

INGRID detector is a Rockwell 1024x1024 HgCdTe Hawaii array. The main characteristics of the detector and of the IR camera are summarized below:

Gain  5.3 e-/ADU
Readnoise  26-45 e-
Full-well capacity  22000 ADU
Pixel size*  18.5 µm
Pixel scale  0.238"/pix (it was 0.242"/pix before March 22nd 2001, with the old foreoptics)
Size of detector*  1024x1024
Field of view   4.06'x4.06'
Bad pixels   <2%
Wavelength range*  0.8 µm to 2.5 µm
Quantum efficiency* ~58% at J (1.2 µm), ~58% at H (1.65 µm), ~62% at K (2.2 µm)

* Quantities as measured by the manufacturer

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Last Updated: 26 July 2001
Almudena Zurita azurita@ing.iac.es