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Quantitative measurement of ?140mm f/2 parabolic surface with ronchi grating test method
LEi Bai-Ping; Wu Fan; Zhou Chen-Bo
Volume7283
2009
Language英语
Indexed ByEi
Subtype会议论文
AbstractRonchi grating test has been used widely to test optical surfaces in a qualitative way since it was contrived, while rarely to test the parabolic surface in a quantitative way. This paper discusses the application of Ronchi grating test to optical aspheric surfaces in a quantitative way on the base of self-made software which includes Ronchi null grating design, collection of Ronchi graph, data procession and so on. The whole system has been used to test a concave parabolic mirror with diameter 140mm and F number 2, and the result is approximately the same as that of the outcome of interferometer. The analysis software and test method establish a good foundation for the coming of quantitative measurement of big error of large-aperture aspheric surfaces.; Ronchi grating test has been used widely to test optical surfaces in a qualitative way since it was contrived, while rarely to test the parabolic surface in a quantitative way. This paper discusses the application of Ronchi grating test to optical aspheric surfaces in a quantitative way on the base of self-made software which includes Ronchi null grating design, collection of Ronchi graph, data procession and so on. The whole system has been used to test a concave parabolic mirror with diameter 140mm and F number 2, and the result is approximately the same as that of the outcome of interferometer. The analysis software and test method establish a good foundation for the coming of quantitative measurement of big error of large-aperture aspheric surfaces.
Conference NameProceedings of SPIE 2008 Symposium on Photonics and Optoelectronics Large Mirrors and Telescopes
Conference Date2009
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7553
Collection先光中心
Corresponding AuthorLEi Bai-Ping
Affiliation中国科学院光电技术研究所
Recommended Citation
GB/T 7714
LEi Bai-Ping,Wu Fan,Zhou Chen-Bo. Quantitative measurement of ?140mm f/2 parabolic surface with ronchi grating test method[C],2009.
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