A 256 X 256 element InSb focal plane array for ground-based astronomy

Details A 256 X 256 element InSb focal plane array for ground-based astronomy A 256 X 256 element InSb focal plane array for ground-based astronomy

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994exa.....3..205b&link_type=abstract

Experimental Astronomy, vol. 3, no. 1-4, p. 205-209

Astronomy and Astrophysics

Astronomy

Arrays, Focal Plane Devices, Indium Antimonides, Infrared Detectors, Field Effect Transistors, Hubble Space Telescope, Infrared Astronomy, Shift Registers, Space Infrared Telescope Facility

Scientific paper

A 256 x 256 element InSb (indium antimonide) focal plane array has been specifically developed for use in ground-based astronomy. The array is an indium bump hybrid of a high-quality InSb detector array fabricated with an improved process, mated to a new, specially-designed low-background multiplexer. The performance parameters have been tuned to best reflect the requirements of ground based astronomy. The circuit is a direct readout detector integrator. It has a well size typically around 1,000,000 electrons, a readout rate of about 400 kHz, and has an expected noise level of about 200 electrons.

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