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Proceedings Paper

Cryoscatter measurements of beryllium
Author(s): Barret Lippey; Wilfried Krone-Schmidt
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Paper Abstract

Bi-directional Reflection Distribution Function measurements were performed as a function of cryogenic temperature for various substrates. Substrates investigated include HIPed and sputtered beryllium produced from different powders and by various manufacturing and polishing processes. In some samples investigated, the BRDF at 10.6 microns increased by a factor of 2 to 5 during cooling from 300 to 30 Kelvin. On repeated temperature cycling the change in BRDF appeared to be totally elastic. The cryo-scatter effect does not occur for all types of beryllium.

Paper Details

Date Published: 1 December 1991
PDF: 12 pages
Proc. SPIE 1530, Optical Scatter: Applications, Measurement, and Theory, (1 December 1991); doi: 10.1117/12.50505
Show Author Affiliations
Barret Lippey, Hughes Aircraft Co. (United States)
Wilfried Krone-Schmidt, Hughes Aircraft Co. (United States)

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

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