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

Autor: Zhu Li, Ming Xia, Bin Liu Zhao
Rok vydání: 1993
Předmět:
Zdroj: SPIE Proceedings.
ISSN: 0277-786X
DOI: 10.1117/12.156416
Popis: 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.
Databáze: OpenAIRE