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7 August 2018 Mid-spatial frequency errors of mass-produced aspheres
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Proceedings Volume 10829, Fifth European Seminar on Precision Optics Manufacturing; 108290D (2018)
Event: Fifth European Seminar on Precision Optics Manufacturing, 2018, Teisnach, Germany
For the (CNC) polishing of aspheres, generally a compliant, sub-aperture tool is applied, which may cause mid- spatial frequency errors on the surface of the workpiece. The tolerance on surface figure is commonly given in peak-to-valley (PV) or root-mean-square (RMS). Even if a surface is fabricated within specified tolerances according to one of the mentioned metrics, the optical performance may be inadequate for the desired application. For the specification of the tolerance on mid-spatial frequency errors, several other characteristics have been proposed, e.g. power spectral density (PSD) or surface slope error. This paper presents an investigation into the mid-spatial frequency form error of mass-produced aspheres, discusses the results and draws relevant conclusions.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Wilhelmus A. C. M. Messelink, Amy Frantz, Shelby D. V. Ament, and Matthew Stairiker "Mid-spatial frequency errors of mass-produced aspheres", Proc. SPIE 10829, Fifth European Seminar on Precision Optics Manufacturing, 108290D (7 August 2018);


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