Three-Photon Absorption in Photorefractive BSO and BGO Crystals |
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| Authors: | A I Ryasnyanskii |
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| Institution: | (1) A. Navoi Samarkand State University, 15 Universitetskii Blvd, Samarkand, 703004, Uzbekistan |
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| Abstract: | The possibility of optical limitation of picosecond laser radiation in photorefractive Bi12SiO20 (BSO) and Bi12GeO20 (BGO) crystals at a wavelength of 1064 nm has been demonstrated. It is shown that the mechanism determining the process of optical limitation is three-photon absorption. The coefficients of three-photon absorption have been determined by the Z-scanning method. |
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| Keywords: | three-photon absorption optical limitation photorefractive crystal |
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