Low-background IR camera with image translation.

Details Low-background IR camera with image translation. Low-background IR camera with image translation.

Feb 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996iext...39..101m&link_type=abstract

Instrum. Exp. Tech., Vol. 39, No. 1, p. 101 - 104

Physics

Optics

Infrared Surveys: Cameras, Cameras: Infrared Background

Scientific paper

A low-background IR camera with image translation for astronomical observations is described. The background level on photodetectors over the range 8.5 - 11.9 μm was 10-4W/cm2 or 5×1015 photon/(cm2s). The camera walls and translating optics were cooled with liquid nitrogen. The cooling time was 8 hours. Daily variations of the background power on the photodetectors were ±6% and were related to variations in the ambient temperature. In most cases the nighttime background level was lower.

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