M. N. Bezruk, T. A. Efimov, D. V. Storozhenko, R. V. Romashko
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Abstract
We presented a complete physical model describing the process of two-wave vectorial mixing in optically active photorefractive crystals of cubic symmetry for an orthogonal interferometer scheme. Using the model, we calculated the two-wave interaction in a gyrotropic photorefractive crystal of bismuth titanate B12TiO20 at two wavelengths of 633 and 532 nm. Studies using the complete model showed that the full polarization independence mode is not achieved. It was found that it is possible to select the parameters of the crystal and interacting waves for the quasi-polarization independence mode, when signal changes caused by polarization instability of the signal wave are reduced to a minimum (no more than 6%). Based on the obtained results, it is recommended to choose a PRC with a high optical activity value for the implementation of polarization-independent interferometric schemes.
期刊介绍：
Bulletin of the Russian Academy of Sciences: Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It presents full-text articles (regular, letters to the editor, reviews) with the most recent results in miscellaneous fields of physics and astronomy: nuclear physics, cosmic rays, condensed matter physics, plasma physics, optics and photonics, nanotechnologies, solar and astrophysics, physical applications in material sciences, life sciences, etc. Bulletin of the Russian Academy of Sciences: Physics focuses on the most relevant multidisciplinary topics in natural sciences, both fundamental and applied. Manuscripts can be submitted in Russian and English languages and are subject to peer review. Accepted articles are usually combined in thematic issues on certain topics according to the journal editorial policy. Authors featured in the journal represent renowned scientific laboratories and institutes from different countries, including large international collaborations. There are globally recognized researchers among the authors: Nobel laureates and recipients of other awards, and members of national academies of sciences and international scientific societies.
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