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Infrared detector performance in the Shuttle Infrared Telescope Facility /SIRTF/The limitations imposed on infrared detectors for SIRTF are quite different from those imposed on ground-based, balloon-borne, or aircraft-borne systems. The paper examines the limitations and provides performance predictions corresponding to SIRTF conditions. Detector parameters typical of an infrared camera are used. The detector size is taken to be of the order of the diffraction-limited spot, frequency response is taken to correspond to a fraction of a second or less time constant, and spectral definition is provided by multilayer dielectric filters, inductive or capacitive grids, intrinsic absorption, or a combination of these. A nominal 10-micron bandwidth is assumed. The discussion covers atmospheric absorption and emission, zodiacal dust radiance, Shuttle contaminants, telescope self-emission, charged particle radiation, clear environment detector performance, and trapped radiation effects. It is concluded that the SIRTF design and operating conditions will allow current and near-term state-of-the-art detectors to reach their performance limits with SIRTF at a temperature of 10-12 K.
Document ID
19790031975
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Mccarthy, S. G.
(Hughes Aircraft Co. Culver City, CA, United States)
Autio, G. W.
(Hughes Aircraft Co. Culver City, Calif., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1978
Subject Category
Astronomy
Meeting Information
Meeting: Utilization of infrared detectors; Seminar
Location: Los Angeles, CA
Start Date: January 16, 1978
End Date: January 18, 1978
Accession Number
79A15988
Funding Number(s)
CONTRACT_GRANT: NAS2-8494
Distribution Limits
Public
Copyright
Other

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