Theoretical analysis of testing information-pit shape of optical disc with DPC method

Bin Liu Zhao; Ming Xia; Zhu Li

doi:10.1117/12.156416

22 September 1993 Theoretical analysis of testing information-pit shape of optical disc with DPC method

Bin Liu Zhao, Ming Xia, Zhu Li

Proceedings Volume 2101, Measurement Technology and Intelligent Instruments; (1993) https://doi.org/10.1117/12.156416
Event: Measurement Technology and Intelligent Instruments, 1993, Wuhan, China

Abstract

DPC(differential phase contrast) is an effective method to obtain information of micro- characteristics of a surface. In this paper we present a plan of testing geometrical shape of information pits on an optical disc surface with DPC method and its theoretical analysis is given.

Citation Download Citation

Bin Liu Zhao, Ming Xia, and Zhu Li "Theoretical analysis of testing information-pit shape of optical disc with DPC method", Proc. SPIE 2101, Measurement Technology and Intelligent Instruments, (22 September 1993); https://doi.org/10.1117/12.156416

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