Abstract
Methods of preparation of single-crystal 4-N,N-dimethylamino-4′-N′-methyl stilbazolium tosylate (DAST) films with a thickness of several micrometers, designed for electro-optic modulation, have been analyzed. Thin-film single crystals have been obtained, the shape and absorption spectrum of which confirm their crystal structure of the “red” DAST crystal form. Homogeneous luminescence in the polarization-contrast regime indicates their single crystallinity and uniform orientation. These materials are designed for intracavity modulation of laser radiation.
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Funding
This study was supported by the Ministry of Science and Higher Education of the Russian Federation within the Federal Target Program “Research and Development in the Priority Fields of the Scientific and Technological Complex of Russia for 2014–2020” (agreement no. 075-15-2019-1299; unique identifier RFMEFI60718X0206).
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Translated by A. Sin’kov
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Vol’pyan, O.D., Denisyuk, I.Y., Obod, Y.A. et al. Thin-Film Nonlinear Optical Crystals for Intracavity Electro-Optic Modulation. Opt. Spectrosc. 128, 1870–1872 (2020). https://doi.org/10.1134/S0030400X20110284
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DOI: https://doi.org/10.1134/S0030400X20110284