Production of a spatial filter with high efficiency and broad dynamical range by using composite hologram and bleaching technique

Zheng Shihai; Dong Bizheng; E Yun; Yang Keming

Journals >Chinese Journal of Lasers >Volume 7 >Issue 2 >Page 55 > Article

Chinese Journal of Lasers
Vol. 7, Issue 2, 55 (1980)

Production of a spatial filter with high efficiency and broad dynamical range by using composite hologram and bleaching technique

Zheng Shihai, Dong Bizheng, E Yun, and Yang Keming

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[in Chinese]

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Zheng Shihai, Dong Bizheng, E Yun, Yang Keming. Production of a spatial filter with high efficiency and broad dynamical range by using composite hologram and bleaching technique[J]. Chinese Journal of Lasers, 1980, 7(2): 55 Copy Citation Text

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Abstract

A method is described which produces a spatial filter with high efficiency and broad dynamical range by using composite hologram and bleaohing technique.The method was used in processing the defocus blurred images and good results have been obtained.

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