256 x 256 element InSb multiplexed focal plane array for ground-based astronomy

Michael A. Blessinger; G. W. Apgar; Jeffrey D. Biggs; Marie L. Louderback; Curtiss A. Niblack

doi:10.1117/12.158728

20 October 1993 256 x 256 element InSb multiplexed focal plane array for ground-based astronomy

Michael A. Blessinger, G. W. Apgar, Jeffrey D. Biggs, Marie L. Louderback, Curtiss A. Niblack

Proceedings Volume 1946, Infrared Detectors and Instrumentation; (1993) https://doi.org/10.1117/12.158728
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

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.

Citation Download Citation

Michael A. Blessinger, G. W. Apgar, Jeffrey D. Biggs, Marie L. Louderback, and Curtiss A. Niblack "256 x 256 element InSb multiplexed focal plane array for ground-based astronomy", Proc. SPIE 1946, Infrared Detectors and Instrumentation, (20 October 1993); https://doi.org/10.1117/12.158728

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