Optical topographic technique to material characterization of photorefractive crystals

S. Bugaychuk; G. Mandula; L. Koávcs; R. A. Rupp

doi:10.1117/12.648203

6 December 2006 Optical topographic technique to material characterization of photorefractive crystals

S. Bugaychuk, G. Mandula, L. Koávcs, R. A. Rupp

Proceedings Volume 6023, Tenth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals; 60230J (2006) https://doi.org/10.1117/12.648203
Event: Tenth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, 2005, Alushta, Ukraine

Abstract

Nonlinear transmission wave-mixing problem in a photorefractive medium that include both local and non-local responses is solved not traditionally but with using a new variable namely the dynamic grating amplitude. The dynamics of the wave-mixing is described by a modified sine-Gordon equation that have soliton-like solutions for the dynamic grating amplitude. For the first time the solution for the grating amplitude distribution in a medium with complex response is obtained. The shape of the grating amplitude profile is determined only by the value of the non-local response in the steady state, and both by local and by non-local components of the response in a transient process. Complete analytical solutions with taking into consideration the complex medium response as well as the absorption in two-wave mixing are obtained. The described theoretical predictions can be a base for a novel topographical method to material characterization of photorefractive crystals that allows one to study contributions local and non-local components of the medium response more precisely.

Citation Download Citation

S. Bugaychuk, G. Mandula, L. Koávcs, and R. A. Rupp "Optical topographic technique to material characterization of photorefractive crystals", Proc. SPIE 6023, Tenth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, 60230J (6 December 2006); https://doi.org/10.1117/12.648203

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