Mirrors formed on optical masters and glued in place. Technique forms precise mirror surfaces on lightweight, rigid, imprecise graphite-composite substrates. Resembles that used to make lightweight replica mirrors and gratings. Layer of parting material deposited on master optical surface of precise desired shape. Parting layer must be very thin to minimize degradation of replica. Enables fabrication of lightweight mirrors of high surface finish suitable for use at short wavelengths.
Attaching Precise Mirrors To Lightweight Supports
NASA Tech Briefs ; 13 , 6
1989-06-01
Sonstige
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Englisch
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