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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1988),
  • paper MD3

Indium antimonide staring focal planas for infrared astronomy

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Abstract

Ground-based astronomy requires the use of detectors that are sensitive in the 1-5-μm region to obtain full use of the five atmospheric windows in this region of the spectrum. These detectors need to have a high fill factor to do imaging. The quantum efficiency must be high to collect all the available photons generated by faint distant sources, and the dark current must be low so as not to swamp out what has been collected. Also necessary is low noise to detect these faint sources. In answer to these needs, we have developed a low-noise focal plane array incorporating a 58 × 62 indium antimonide detector array hybridized to a direct readout, source follower per detector, multiplexer.

© 1988 Optical Society of America

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