Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11601
Title: Evolutionary diamond turning of optics for error correction covering a wide spatial spectrum
Authors: To, S 
Zhu, Z
Wang, P
Keywords: Error correction
Evolutionary cutting
Optics
Ultraprecision diamond turning
Issue Date: 2015
Publisher: SPIE-International Society for Optical Engineering
Source: Optical engineering, 2015, v. 54, no. 1, 15103 How to cite?
Journal: Optical engineering 
Abstract: To improve the quality of diamond turned optics, it is necessary to employ a laborious postprocessing approach. However, the approach is often very hard to implement on freeform surfaces, and it greatly decreases the processing efficiency even for simple optics. An evolutionary diamond turning method is first proposed to comprehensively improve the quality of the turned optics. The evolutionary goal is to attenuate the peak value of the power spectral density of residual tool marks, and the special mutation point is observed during the evolution. Taking advantage of the modulation operation of a diamond tool in the spatial frequency domain, form accuracy, surface roughness, and surface reflectivity are all significantly improved, demonstrating the superiority of the EDT method for optics fabrication.
URI: http://hdl.handle.net/10397/11601
ISSN: 0091-3286
EISSN: 1560-2303
DOI: 10.1117/1.OE.54.1.015103
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