Zobrazeno 1 - 2
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pro vyhledávání: '"Bin Liu Zhao"'
Publikováno v:
SPIE Proceedings.
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
Publikováno v:
SPIE Proceedings.
Grating interference technology because of its many advantages has been developed greatly in the field of fine metrology. The principle and characteristics of grating interference are analyzed and examples of its successful application are given.