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Proceedings Paper

Solution for anomalous scattering of bare HIP Be and CVD SiC mirrors
Author(s): Cynthia L. Vernold
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Paper Abstract

Infrared (IR) Bi-directional Reflectance Distribution Function (BRDF) curves from bare super-polished hot isostatic pressed (HIP) beryllium (Be) and chemical vapor deposited (CVD) silicon carbide (SiC) mirrors are much higher and have drastically different slopes than those predicted from either visible (VIS) BRDF or surtace profilometry data. The end result is that current state-of-the-art HIP Be and CVD SiC will not meet some low scatter requirements. This paper presents data showing that this anomalous IR scattering effect can be easily "covered-up" by coating the bare super-polished substrates.

Paper Details

Date Published: 1 December 1991
PDF: 14 pages
Proc. SPIE 1530, Optical Scatter: Applications, Measurement, and Theory, (1 December 1991); doi: 10.1117/12.50503
Show Author Affiliations
Cynthia L. Vernold, Hughes Danbury Optical Systems, Inc. (United States)


Published in SPIE Proceedings Vol. 1530:
Optical Scatter: Applications, Measurement, and Theory
John C. Stover, Editor(s)

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