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题名:
Measurement of an off-axis parabolic mirror using coordinates measurement machine and swing arm profilometer during the grinding process
作者: Jing, Hongwei; Lin, Changqing; Fan, Bin; Kuang, Long; Wu, Shibin; Wu, Fan; Fan, Tianquan
出版日期: 2012
会议名称: Proceedings of SPIE: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes
会议日期: 2012
DOI: 10.1117/12.976811
通讯作者: Jing, H. (hwjing@ioe.ac.cn)
中文摘要: We present the measurement methods for off-axis parabolic mirrors using Coordinates Measurement Machine and Swing Arm Profilometer during the grinding process. An off-axis parabolic mirror with 1200mm in parent focal length, 360mm in off-axis displacement and 410mm in diameter is measured using the methods introduced in this paper. The convergence curves of the surface error are reported, which is reduced from 204.7μm in PV, 55.3μm in rms to 1.1μm in PV, 0.3μm in rms after 39 iterations of grinding. Besides, the measurement methods are able to control the parent focal length and off-axis displacement to less than 0.1mm tolerance. An interferometric result is presented, which validates the measurement methods. © 2012 SPIE.
英文摘要: We present the measurement methods for off-axis parabolic mirrors using Coordinates Measurement Machine and Swing Arm Profilometer during the grinding process. An off-axis parabolic mirror with 1200mm in parent focal length, 360mm in off-axis displacement and 410mm in diameter is measured using the methods introduced in this paper. The convergence curves of the surface error are reported, which is reduced from 204.7μm in PV, 55.3μm in rms to 1.1μm in PV, 0.3μm in rms after 39 iterations of grinding. Besides, the measurement methods are able to control the parent focal length and off-axis displacement to less than 0.1mm tolerance. An interferometric result is presented, which validates the measurement methods. © 2012 SPIE.
收录类别: Ei
语种: 英语
卷号: 8415
ISSN号: 0277786X
文章类型: 会议论文
页码: 84150K
Citation statistics:
内容类型: 会议论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7913
Appears in Collections:质量处(质检中心)_会议论文

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作者单位: Institute of Optics and Electronics, Chinese Academy of Sciences, P.O .Box 350, Chengdu, 610209, China

Recommended Citation:
Jing, Hongwei,Lin, Changqing,Fan, Bin,et al. Measurement of an off-axis parabolic mirror using coordinates measurement machine and swing arm profilometer during the grinding process[C]. 见:Proceedings of SPIE: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes. 2012.
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