Nov. 2014

Article Contents

Chinese Optics> 2014> 7(6): 975-981.

SONG Shu-mei. Manufacturing and testing of rectangular off-axis aspheric mirror with double-swing polishing method[J]. Chinese Optics, 2014, 7(6): 975-981. doi: 10.3788/CO.20140706.0975

Citation:

SONG Shu-mei. Manufacturing and testing of rectangular off-axis aspheric mirror with double-swing polishing method[J].Chinese Optics, 2014, 7(6): 975-981.doi:10.3788/CO.20140706.0975

SONG Shu-mei. Manufacturing and testing of rectangular off-axis aspheric mirror with double-swing polishing method[J]. Chinese Optics, 2014, 7(6): 975-981. doi: 10.3788/CO.20140706.0975

Citation:

SONG Shu-mei. Manufacturing and testing of rectangular off-axis aspheric mirror with double-swing polishing method[J].Chinese Optics, 2014, 7(6): 975-981.doi:10.3788/CO.20140706.0975

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Manufacturing and testing of rectangular off-axis aspheric mirror with double-swing polishing method

doi:10.3788/CO.20140706.0975

SONG Shu-mei^,

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033

Received Date:13 Sep 2014
Rev Recd Date:15 Nov 2014
Publish Date:25 Nov 2014

Abstract

Abstract

A kind of manufacturing and testing method for rectangular off-axis aspheric lightweight mirror is introduced. In order to overcome the corner effect, double-swing polishing(DSP) method is proposed. A DSP machine is made to achieve satisfying manufacturing result. The DSP and the 4-pole method are successfully applied for manufacturing optical system in the spectrometer. Four rectangular off-axis aspheric mirrors with the largest size of 266 mm110 mm are polished, and the final surface precision figures are better than 0.020(RMS, @633 nm). Manufacturing result shows that the double-swing polishing method improves the polishing efficiency and reduces the optical surface medium frequency error.
- optical manufacture,
- off-axis aspheric surface,
- double-swing,
- 4-pole method

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References (1)

References

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