PROFILE MEASUREMENT OF AN ASPHERIC CYLINDRICAL SURFACE FROM RETROREFLECTION

NCU Institutional Repository > 理學院 > 光電科學研究所 > 期刊論文 > Item 987654321/28287

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题名:	PROFILE MEASUREMENT OF AN ASPHERIC CYLINDRICAL SURFACE FROM RETROREFLECTION
作者:	LIN,DT;WAN,DS
贡献者:	光電科學研究所
日期:	1991
上传时间:	2010-06-29 19:45:31 (UTC+8)
出版者:	中央大學
摘要:	A new algorithm for measuring the profile of an aspheric cylindrical surface is developed in which directions of the surface normal and slopes at various locations are found with the aid of a retroreflected beam. The locations of retroreflection can be found with the simple algorithm developed in this paper, and the surface profile is integrated from the slope. The accuracy of the new algorithm is determined mostly by the algorithm's ability to find the true range of the surface being integrated. In the measurement of the surface sagitta over the range of 5000-mu-m, the accumulated error from the integration is less than 30-mu-m.
關聯:	APPLIED OPTICS
显示于类别:	[光電科學研究所] 期刊論文

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