Evaluation of an indium antimonide hybrid focal plane array for ground-based infrared astronomy

Computer Science – Performance

Scientific paper

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Focal Plane Devices, Indium Antimonides, Infrared Astronomy, Performance Tests, Semiconductor Devices, Arrays, Block Diagrams, Cosmic Rays, Imaging Techniques, Planar Structures, Quantum Efficiency

Scientific paper

A novel hybrid IR-sensitive array for astronomical observations in the 1-5 micron spectral region is presented whose photovoltaic indium antimonide detector material is bump-bonded to a silicon substrate containing the MOS direct-readout multiplexer. Attention is given to preliminary results on quantum efficiency, dark current, noise, linearity, cosmic-ray response, and imaging characteristics for ground-based astronomy. It is suggested that an even greater impact will result from these devices than was experienced with CCDs for optical astronomy in the mid-1970s.

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