Small petal tools performance for parabolizing optical surfaces.
Appl Opt
; 55(33): 9601-9604, 2016 Nov 20.
Article
en En
| MEDLINE
| ID: mdl-27869863
Small rigid petal tools, driven by a traditional polishing machine, were used to parabolize 20 mirrors 14 cm in diameter and 192 cm of curvature radius. Small rigid circular tools (SCTs), driven manually, were used to parabolize another 20 identical surfaces. A Ronchi test with a square grid was used to evaluate the performance of both techniques. If small rigid petal tools are used, the surface quality, the reproducibility in the production process, and the time spent required to generate the surfaces are markedly better than using SCTs.
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Appl Opt
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2016
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Article