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Optical Engineering

Low Scatter Finishing of Aspheric Optics
Author(s): W. P. Barnes, Jr.; R. R. McDonough
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Paper Abstract

Three f/2 paraboloids, 12 inches in diameter, were given short final polishing runs using colloidal silica and full-sized flexible laps. No degradation of surface figure was detected, and we obtained a reduction in surface scatter to levels indicating a surface microfinish of 15 A rms or less.

Paper Details

Date Published: 1 April 1979
PDF: 4 pages
Opt. Eng. 18(2) doi: 10.1117/12.7972339
Published in: Optical Engineering Volume 18, Issue 2
Show Author Affiliations
W. P. Barnes, Jr., Itek Corporation (United States)
R. R. McDonough, Itek Corporation (United States)


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