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NICI Detectors

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NICI is equipped with two Aladdin III InSb detectors, one for each science channel. During commissioning, the detailed characteristics of each detector will be determined and provided here. The table below provides known or expected characteristics, the latter based on "typical" performance of Aladdin III detectors.


Characteristic Channel 1 Detector Channel 2 Detector
Pixel format 1024x1024 pixels 1024x1024 pixels
Pixel Scale 0.018 arcsec/pixel 0.018 arcsec/pixel
Field of View 18.43 x 18.43 arcsecs 18.43 x 18.43 arcsecs
Spectral Response 0.9 to 5.5 microns 0.9 to 5.5 microns
Dark Current 0.15 e-/s/pix 0.15 e-/s/pix
Gain TBD TBD
Well depth 200,000 e- 200,000 e-
Quantum efficiency about 90% about 90%
Flat field repeatability TBD TBD
Residual image retention Yes Yes

Created July 15, 2005, B. Rodgers and T. Hayward