May 2016

Article Contents

Chinese Optics> 2016> 9(3): 364-370.

XU Le, ZHANG Chun-lei, DAI Lei, ZHANG Jian. Research on manufacturing method of non-rotationally symmetrical aspheric surface with high accuracy[J]. Chinese Optics, 2016, 9(3): 364-370. doi: 10.3788/CO.20160903.0364

Citation:

XU Le, ZHANG Chun-lei, DAI Lei, ZHANG Jian. Research on manufacturing method of non-rotationally symmetrical aspheric surface with high accuracy[J].Chinese Optics, 2016, 9(3): 364-370.doi:10.3788/CO.20160903.0364

Citation:

XU Le, ZHANG Chun-lei, DAI Lei, ZHANG Jian. Research on manufacturing method of non-rotationally symmetrical aspheric surface with high accuracy[J].Chinese Optics, 2016, 9(3): 364-370.doi:10.3788/CO.20160903.0364

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Research on manufacturing method of non-rotationally symmetrical aspheric surface with high accuracy

doi:10.3788/CO.20160903.0364

Engineering Research Center of Extreme Precision Optics, State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Funds:

Supported by National Major S&T Special Project of ChinaNo.2009ZX02205

Received Date:26 Jan 2016
Rev Recd Date:19 Feb 2016
Publish Date:25 Jan 2016

Abstract

Abstract

A novel manufacturing method of non-rotationally symmetrical aspheric surface with high accuracy is proposed in this paper. First, a optimum fit sphere of non-rotationally symmetrical asphere is ground through generating cutting, which is then polished through triditional polishing method in order to remove mid-spatial-frequency errors that cannot be realized through sub-aperture polishing tool. Finally, bonnet polishing method(IRP) is used for corrective polishing without generating extra mid-spatial-frequency errors in condition of high-accuracy positioning measurement technology. This method is employed in the manufacuring of a third-order aspheric surface with parameters of ROC=970.737 mm, k=-1 and D=106 mm. After several polishing iterations, the figure accuracy can be converged to 1/30 λ(RMS). The correctness and feasibility of the manufacturing method are proved. This method would be meaningful in manufacturing non-rotationally symmetrical aspheric surface with small deviation in the future.
- non-rotationally symmetrical,
- aspheric surface,
- bonnet polishing,
- IRP polishing

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References (16)

References

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