24 July 2002 Experimental estimation of the internal electric field and the photoconductivity of a Ba0.77Ca0.23TiO3 crystal (BCT)
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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
Ba0.77Ca0.23TiO3 (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.
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Vladislav Matusevich, Vladislav Matusevich, Armin Kiessling, Armin Kiessling, Richard M. Kowarschik, Richard M. Kowarschik, } "Experimental estimation of the internal electric field and the photoconductivity of a Ba0.77Ca0.23TiO3 crystal (BCT)", Proc. SPIE 4751, ICONO 2001: Nonlinear Optical Phenomena and Nonlinear Dynamics of Optical Systems, (24 July 2002); doi: 10.1117/12.475918; https://doi.org/10.1117/12.475918
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