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Title:
An eight-element bolometer array camera for the Wyoming Infrared Observatory 2.34-m telescope
Authors:
Williams, Thomas C.; Grasdalen, Gary L.; Hackwell, John; Gehrz, Robert D.
Affiliation:
AA(Wyoming Infrared Observatory, Laramie, WY), AB(Wyoming Infrared Observatory, Laramie, WY), AC(Aerospace Corp., Los Angeles, CA), AD(Minnesota, University, Minneapolis)
Publication:
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 100, Jan. 1988, p. 124-130. NSF-supported research. (PASP Homepage)
Publication Date:
01/1988
Category:
Instrumentation and Photography
Origin:
STI
NASA/STI Keywords:
ASTRONOMICAL OBSERVATORIES, BOLOMETERS, CAMERAS, INFRARED TELESCOPES, CASTING, ELECTROFORMING, PERFORMANCE PREDICTION, THERMAL RADIATION
DOI:
10.1086/132142
Bibliographic Code:
1988PASP..100..124W

Abstract

The construction of an 8-element array camera which uses tapered light pipes to couple radiation onto Ga:Ge bolometers is described. The camera is designed for broad-band thermal infrared imaging observations between 5 and 35 μm on the Wyoming Infrared Observatory 2.34-m telescope. Electroforming and low-temperature casting techniques are shown to be useful for the construction of close-packed arrays. The performance of the array is discussed and a typical image taken with the camera is presented.

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