Improvement of holography by moving gratings and optical bias

Zhao Qi Wang

doi:10.1117/12.2299113

1 September 1996 Improvement of holography by moving gratings and optical bias

Zhao Qi Wang

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 27786E (1996) https://doi.org/10.1117/12.2299113
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

Abstract

Moving gratings is an effective method to improve the diffraction efficiency of dynamic gratings. However there is a sudden drop in the optimum fringe velocity when the fringe modulation is close to unit, which restricts its applications. We experimentally showed that optical bias is an effective method of overcoming this problem. We also found that within a certain range of optical bias, the absolute diffraction efficiency can be higher than that without optical bias, which is not the case when using a stationary grating.

Citation Download Citation

Zhao Qi Wang "Improvement of holography by moving gratings and optical bias", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 27786E (1 September 1996); https://doi.org/10.1117/12.2299113

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