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Stray radiation and the Infrared Astronomical Satellite /IRAS/ telescopeStray light control is a major consideration in the design of infrared cryogenically cooled telescopes such as the Infrared Astronomical Satellite (IRAS). The basic design of the baffle system, and the placement, shape, and coating of the secondary support struts for the telescope subsystem are described. The intent of this paper is to highlight the stray light problems encountered while designing the system, and to illustrate how computer analysis can be a useful design aid. Scattering measurements of the primary mirror, and a full system level scatter measurement are presented. Comparisons of predicted performance with the measured results are also presented.
Document ID
Document Type
Conference Proceedings
Noll, R. J.
(Perkin-Elmer Corp. Danbury, CT, United States)
Harned, R.
(Perkin-Elmer Corp. Danbury, Conn., United States)
Breault, R. P.
(Breault Research Organization, Inc. Tucson, Ariz., United States)
Malugin, R.
(NASA Ames Research Center Moffett Field, Calif., United States)
Date Acquired
August 11, 2013
Publication Date
January 1, 1981
Subject Category
Meeting Information
Seminar on Radiation scattering in optical systems(Huntsville, AL)
Accession Number
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