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Proceedings Paper

Evaluation of a 40- to 125-um Ge:Sb photoconductor array for airborne astronomy
Author(s): Christopher Mason; Jessie L. Dotson; Christopher T. Koerber; Edwin F. Erickson; Michael R. Haas; Anita Prasad; Fred C. Witteborn; Jam Farhoomand; David Sisson; Jeffrey Beeman
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Paper Abstract

Testing of a 40 to 125 μm Ge:Sb photoconductor array for AIRES (Airborne Infra-Red Echelle Spectrometer) is described. The prototype array is a 2×24 module which can be close-stacked with other modules to provide larger two-dimensional formats. Collecting cones on a 0.08 inch pitch concentrate incident radiation into integrating cavities containing the detectors. The array is read out by two Raytheon SBRC 190 cryogenic multiplexers that also provide a CTIA (capacitive transimpedance amplifier) unit cell for each detector. We have conducted a series of tests to evaluate the array dark current, responsivity and detective quantum efficiency.

Paper Details

Date Published: 3 March 2003
PDF: 12 pages
Proc. SPIE 4857, Airborne Telescope Systems II, (3 March 2003); doi: 10.1117/12.458644
Show Author Affiliations
Christopher Mason, SETI Institute (United States)
Jessie L. Dotson, NASA Ames Research Ctr. (United States)
Christopher T. Koerber, TechnoScience Corp. (United States)
Edwin F. Erickson, NASA Ames Research Ctr. (United States)
Michael R. Haas, NASA Ames Research Ctr. (United States)
Anita Prasad, TechnoScience Corp. (United States)
Fred C. Witteborn, Orbital Sciences Corp. (United States)
Jam Farhoomand, TechnoScience Corp. (United States)
David Sisson, TechnoScience Corp. (United States)
Jeffrey Beeman, Lawrence Berkeley National Lab. (United States)

Published in SPIE Proceedings Vol. 4857:
Airborne Telescope Systems II
Ramsey K. Melugin; Hans-Peter Roeser, Editor(s)

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