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Aspheric surface testing and calculating by laser deflectometry

  • Qiu Dong Zhu*
  • , Qun Hao
  • *此作品的通讯作者

科研成果: 期刊稿件文章同行评审

摘要

A general laser deflectometry method was developed for testing aspheric surface. Addressing to various aspheric surfaces, three schemes were proposed: translating, rotating and rotating with translating schemes. The method is versatile and can be used in testing of various aspheric surface. The measurement of laser reflecting angle that has significant effect on precision of aspheric surface casting was studied in detail. Experimental results exhibited that the accuracy of the method can attain λ/5-λ/10 that is close to interferometry.

源语言英语
页(从-至)22-23+27
期刊Guangxue Jishu/Optical Technique
28
1
出版状态已出版 - 1月 2002

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