Scatter Evaluation Of Supersmooth Surfaces

Robert M. Silva; Fred D. Orazio Jr.; W. Kent Stowell

doi:10.1117/12.934135

5 April 1983 Scatter Evaluation Of Supersmooth Surfaces

Robert M. Silva, Fred D. Orazio Jr., W. Kent Stowell

Proceedings Volume 0362, Scattering in Optical Materials II; (1983) https://doi.org/10.1117/12.934135
Event: 26th Annual Technical Symposium, 1982, San Diego, United States

Abstract

The general term for optical surfaces better than the lowest level of the scratch-dig standards has become the word "supersmooth". It is seen in the technical literature as well as in advertising pieces. A performance number, such as BRDF, which can be measured from the uncoated optical surface by equipment such as the Variable Angle Scatterometer at the Air Force Wright Aeronautical Laboratories at Wright-Patterson Air Force Base is proposed as a method of generating better optical surface specifications. Data shows that surfaces of average BRDF near 10 parts per billion per steradian (0.010 PPM/Sr) are now possible and measurable.

Citation Download Citation

Robert M. Silva, Fred D. Orazio Jr., and W. Kent Stowell "Scatter Evaluation Of Supersmooth Surfaces", Proc. SPIE 0362, Scattering in Optical Materials II, (5 April 1983); https://doi.org/10.1117/12.934135

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