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Proceedings Paper

Low Scatter And Surface Figure Histories Of The Space Infrared Experiment (SIRE) Primary Mirrors
Author(s): Martha Diana M. Hammer; Michael P. Wirick
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Paper Abstract

Time is a recognized enemy of both low scatter optical surfaces and metal mirror surface figure retention. Data has been accumulated over a four year period documenting the total integrated scatter (TIS), bidirectional reflectance distribution function (BRDF), and surface figure for the primary mirrors of the Space Infrared Experiment (SIRE). The scatter data shows that degradation of an order of magnitude in TIS can be expected to occur in roughly 19 months at a Los Angeles laboratory climate when using present storage techniques. The surface figure of the mirrors is shown to have little or no degradation with aging (less than or equal to 1/4 wave HeNe) but to have high dependency upon proper mounting and installation procedures. Cleaning and storage techniques are also presented.

Paper Details

Date Published: 5 April 1983
PDF: 11 pages
Proc. SPIE 0362, Scattering in Optical Materials II, (5 April 1983); doi: 10.1117/12.934145
Show Author Affiliations
Martha Diana M. Hammer, Hughes Aircraft Company (United States)
Michael P. Wirick, Hughes Aircraft Company (United States)

Published in SPIE Proceedings Vol. 0362:
Scattering in Optical Materials II
Solomon Musikant, Editor(s)

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