Diffraction properties of multiple-beam photorefractive gratings

作者: R. Saxena , F. Vachss , I. McMichael , P. Yeh

DOI: 10.1364/JOSAB.7.001210

关键词:

摘要: We have analytically solved the problem of N mutually incoherent pairs beams in photorefractive media, each pair which shares a common grating. The results are applied to study simultaneous read–write dynamic holograms with comparable intensity. diffraction efficiency is shown be nonlinear function read-beam intensity and nonreciprocal respect readout from two input ports. A complete energy transfer between write occurs finite thickness crystal, contrast infinite required standard two-beam coupling case.

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