Low-background performance of a monolithic InSb CCD array

Details Low-background performance of a monolithic InSb CCD array Low-background performance of a monolithic InSb CCD array

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982stin...8219117b&link_type=abstract

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Applications

Charge Coupled Devices, Indium Antimonides, Infrared Detectors, Infrared Telescopes, Linear Arrays, Charge Efficiency, Fabrication, Field Effect Transistors, Illuminance, Noise Measurement, Photodiodes, Shift Registers, Temperature Effects

Scientific paper

A 20 element monolithic InSb charge coupled device (CCD) detector array was measured under low background conditions to assess its potential for orbital astronomical applications. At a temperature of 64 K, previous results for charge transfer efficiency (CTE) were reproduced, and a sensitivity of about 2 x 10 to the minus 15th power joules was measured. At 27 and 6 K, extended integration times were achieved, but CTE was substantially degraded. The noise was approximately 6000 charges, which was in excess of the level where statistical fluctuations from the illumination could be detected. A telescope demonstration was performed showing that the array sensitivity and difficulty of operation were not substantially different from laboratory levels. Ways in which the device could be improved for astronomical applications were discussed.

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