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Proceedings Paper

Principles Of Stray Light Suppression And Conceptual Application To The Design Of The Diffuse Infrared Background Experiment For NASA's Cosmic Background Explorer.
Author(s): Dennis Charles Evans
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Paper Abstract

The Diffuse Infrared Background Experiment (DIRBE) is a 10 band filter photometer that will operate at superfluid helium temperatures. Diffuse galactic and extragalactic infrared radiation in the 1-300 micrometer wavelength region will be measured by the instrument. Polarization measurements will be made for 3 bands in the 1-4 micrometer spectral region. The main sources of unwanted radiation are the sun, earth, thermal radiation from an external sun shield, the moon, the brighter planets and stars, and sky light itself from outside the instrument's nominal one degree square field of view. The system level engineering concepts and the principles of stray light suppression that resulted in the instrument design are presented.

Paper Details

Date Published: 4 October 1983
PDF: 8 pages
Proc. SPIE 0384, Generation, Measurement and Control of Stray Radiation III, (4 October 1983); doi: 10.1117/12.934947
Show Author Affiliations
Dennis Charles Evans, NASA/Goddard Space Flight Center (United States)

Published in SPIE Proceedings Vol. 0384:
Generation, Measurement and Control of Stray Radiation III
Robert P. Breault, Editor(s)

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