Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/6516
Title: Removal of single point diamond-turning marks by abrasive jet polishing
Authors: Li, ZZ
Wang, JM
Peng, XQ
Ho, LT
Yin, ZQ
Li, SY
Cheung, CFB 
Keywords: Abrasives
Diamonds
Experiments
Mirrors
Surface properties
Surface roughness
Issue Date: 1-Jun-2011
Publisher: Optical Society of America
Source: Applied optics, 1 June 2011, v. 50, no. 16, p. 2458-2463 How to cite?
Journal: Applied optics 
Abstract: Single point diamond turning (SPDT) is highly controllable and versatile in producing axially symmetric forms, non-axially-symmetric forms, microstructured surfaces, and free forms. However, the fine SPDT marks left in the surface limit its performance, and they are difficult to reduce or eliminate. It is unpractical for traditional methods to remove the fine marks without destroying their forms, especially for the aspheres and free forms. This paper introduces abrasive jet polishing (AJP) for the posttreatment of diamond-turned surfaces to remove the periodic microstructures. Samples of diamond-turned electroless nickel plated plano mirror were used in the experiments. One sample with an original surface roughness of more than 400nm decreased to 4nm after two iterations abrasive jet polishing; the surface roughness of another sample went from 3:7nm to 1:4nm after polishing. The periodic signatures on both of the samples were removed entirely after polishing. Contrastive experimental research was carried out on electroless nickel mirror with magnetorheological finishing, computer controlled optical surfacing, and AJP. The experimental results indicate that AJP is more appropriate in removing the periodic SPDT marks. Also, a figure maintaining experiment was carried out with the AJP process; the uniform polishing process shows that the AJP process can remove the periodic turning marks without destroying the original form.
URI: http://hdl.handle.net/10397/6516
ISSN: 1559-128X
EISSN: 2155-3165
DOI: 10.1364/AO.50.002458
Rights: © 2011 Optical Society of America. This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-16-2458. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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