Method of measuring the exponential gain coefficient in codirectional photoreactive two-wave mixing at intermediate regime

Jinsong Liu; Changhong Liang

doi:10.1117/12.253240

30 September 1996 Method of measuring the exponential gain coefficient in codirectional photoreactive two-wave mixing at intermediate regime

Jinsong Liu, Changhong Liang

Author Affiliations +

Proceedings Volume 2896, Photorefractive Materials; (1996) https://doi.org/10.1117/12.253240
Event: Photonics China '96, 1996, Beijing, China

Abstract

We present a method of measuring the parameters of a photorefractive crystal in codirectional two-wave mixing that is suitable for two-wave mixing in the intermediate regime (before saturation). Three parameters of a crystal, the saturation exponential gain coefficient, saturation intensity and intensity absorption coefficient, can be measured simultaneously by using the method. The contribution of the intensity dependence of intensity absorption coefficient is also considered. The three parameters of a BaTiO₃ crystal are measured and the measured data are checked by another independent measurement.

Citation Download Citation

Jinsong Liu and Changhong Liang "Method of measuring the exponential gain coefficient in codirectional photoreactive two-wave mixing at intermediate regime", Proc. SPIE 2896, Photorefractive Materials, (30 September 1996); https://doi.org/10.1117/12.253240

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