Experimental estimation of the internal electric field and the photoconductivity of a Ba0.77Ca0.23TiO3 crystal (BCT)

Vladislav Matusevich; Armin Kiessling; Richard M. Kowarschik

doi:10.1117/12.475918

24 July 2002 Experimental estimation of the internal electric field and the photoconductivity of a Ba_0.77Ca_0.23TiO₃ crystal (BCT)

Vladislav Matusevich, Armin Kiessling, Richard M. Kowarschik

Author Affiliations +

Proceedings Volume 4751, ICONO 2001: Nonlinear Optical Phenomena and Nonlinear Dynamics of Optical Systems; (2002) https://doi.org/10.1117/12.475918
Event: XVII International Conference on Coherent and Nonlinear Optics (ICONO 2001), 2001, Minsk, Belarus

Abstract

Ba_0.77Ca_0.23TiO₃ (BCT) crystals have interesting photorefractive and electro optic properties as was recently demonstrated by several papers. Analyzing these results and our own experiments we have got the conclusion that there is an effective bulk electric field inside the crystals. In order to estimate the value of the suggested field inside the crystal we have developed an experimental method based on two- and four-wave mixings presented in this paper, whereas we are using a BCT crystal that has been grown by Ch. Kuper and co-workers from the University of Osnabrueck. Knowing the value of the bulk field we have estimated the value of the effective photoconductivity of the crystal.

Citation Download Citation

Vladislav Matusevich, Armin Kiessling, and Richard M. Kowarschik "Experimental estimation of the internal electric field and the photoconductivity of a Ba_0.77Ca_0.23TiO₃ crystal (BCT)", Proc. SPIE 4751, ICONO 2001: Nonlinear Optical Phenomena and Nonlinear Dynamics of Optical Systems, (24 July 2002); https://doi.org/10.1117/12.475918

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