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12 February 1993 Beryllium mirror-polishing optimization for minimum cost
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Abstract
This paper compares the manufacturing effort and estimated relative cost of traditionally finished surfaces and single point, precision machined beryllium surfaces which have been subsequently polished by loose abrasive polishing techniques. The study includes O50 optical grade beryllium and a preliminary look at a new sputter deposited beryllium cladding showing both of their characteristics. The study was done in a manner which has allowed optimization of the polishing process for any specific desired, final mirror quality allowing determination of the minimum cost process. The objective of this study has been to establish both a 'baseline' of quality and costs while assisting optimization. The study co-addresses quality, effectiveness, and effort when producing low scatter optical surfaces from the single point turned beryllium surface. The results are useful in selecting minimum cost beryllium mirror manufacturing processes while mapping the latitude that is available. Optimized polishing is shown to reduce polishing times by 70 to 90 percent below that normally needed.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Leonard A. Abbatiello "Beryllium mirror-polishing optimization for minimum cost", Proc. SPIE 1753, Stray Radiation in Optical Systems II, (12 February 1993); https://doi.org/10.1117/12.140717
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