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Implementing a grolishing process in Zeeko IRP machines |
Applied Optics, Vol. 51, Issue 27, pp. 6637-6640 (2012)
http://dx.doi.org/10.1364/AO.51.006637
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Abstract
The removal of mid-spatial-frequency errors is a challenging issue in most subaperture polishing technologies. A novel “grolishing” technology has been developed to deal with grinding errors of spatial wavelengths from 1 to 50 mm with the help of power spectral density analysis and filter theory. This grolishing process was implemented on Zeeko’s IRP polishing machine, on which all the subsequent polishing was performed. This has greatly reduced the process time. Although different abrasive have been used, the process is self-contained. The process parameters have been optimized to leave an edge upstand of peak-to-valley of 1 μm over a width of 40 mm.
© 2012 Optical Society of America
OCIS Codes
(110.6770) Imaging systems : Telescopes
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.5450) Optical design and fabrication : Polishing
(230.4040) Optical devices : Mirrors
ToC Category:
Imaging Systems
History
Original Manuscript: June 27, 2012
Revised Manuscript: August 23, 2012
Manuscript Accepted: August 23, 2012
Published: September 19, 2012
Citation
Guoyu Yu, David Walker, and Hongyu Li, "Implementing a grolishing process in Zeeko IRP machines," Appl. Opt. 51, 6637-6640 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-27-6637
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