Nonresonant real-time polarization holographic storage in azo-dye-doped polymer film

Xinxian Bao; Shutian Liu; Jiandong Xu; Chunfei Li

doi:10.1117/12.217000

18 August 1995 Nonresonant real-time polarization holographic storage in azo-dye-doped polymer film

Xinxian Bao, Shutian Liu, Jiandong Xu, Chunfei Li

Proceedings Volume 2529, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications; (1995) https://doi.org/10.1117/12.217000
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

We report experimental results of the nonresonant third-order nonlinear properties of an acceptor-donor azo dye doped in polymethyl methacrylate (PMMA) thin films by degenerate four-wave mixing with a He-Ne laser, which have appreciable nonresonant third-order nonlinearity, (chi) ⁽³) being approximately 4 X 10^-4 esu. The OPC signal has strong sensitivity with the polarization of the three incident beams, and the self- refracted phase conjugation by the coupled two counter-propagation beams was studied. In conclusion, nonresonant third-order nonlinear mechanism is demonstrated to be a result of photoinduced birefringence of the azo molecules. The real-time polarization storage properties of the azo dye were used in the interferometry to measure the shape variation of the object.

Citation Download Citation

Xinxian Bao, Shutian Liu, Jiandong Xu, and Chunfei Li "Nonresonant real-time polarization holographic storage in azo-dye-doped polymer film", Proc. SPIE 2529, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications, (18 August 1995); https://doi.org/10.1117/12.217000

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