Optimization of diffraction performances of reflection holograms in photorefractive LiNbO3:Fe

Zhuqing Jiang; Quan Yuan; Shiquan Tao

doi:10.1117/12.318117

17 August 1998 Optimization of diffraction performances of reflection holograms in photorefractive LiNbO₃:Fe

Zhuqing Jiang, Quan Yuan, Shiquan Tao

Proceedings Volume 3554, Photorefractive Materials: Phenomena and Related Applications II; (1998) https://doi.org/10.1117/12.318117
Event: Photonics China '98, 1998, Beijing, China

Abstract

The diffraction efficiency and angular selectivity of photorefractive volume holograms, the important performances for multiplexed holograms, are strongly affected by material properties and recording conditions. In this paper the diffraction efficiency and angular selectivity of reflection gratings in photorefractive crystals are studied by means of the coupled wave theory, with respect to the recording geometry and polarization states of recording beams. The result shows that, although the angular selectivity of reflection gratings recorded with the s- polarized beams is slightly worse than that written with p-polarized ones, the diffraction efficiency of s-polarized beams is generally higher and more uniform than that of p-polarized beams over all accessible angular ranges. The theoretical results are also verified by experimental measurements. The s-polarized beams would be more suitable for recording and readout of reflection-type holograms in photorefractive crystals.

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Zhuqing Jiang, Quan Yuan, and Shiquan Tao "Optimization of diffraction performances of reflection holograms in photorefractive LiNbO₃:Fe", Proc. SPIE 3554, Photorefractive Materials: Phenomena and Related Applications II, (17 August 1998); https://doi.org/10.1117/12.318117

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