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LARGE-SIZED BISMUTH-ZINC-BORATE NONLINEAR OPTICAL CRYSTAL AND PREPARATION METHODS AND APPLICATIONS THEREOF
LARGE-SIZED BISMUTH-ZINC-BORATE NONLINEAR OPTICAL CRYSTAL AND PREPARATION METHODS AND APPLICATIONS THEREOF
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机译：大尺寸铋硼酸锌非线性光学晶体及其制备方法与应用
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摘要
The present invention relates to a large-sized and high-quality bismuth-zinc-borate (Bi.sub.2 ZnB.sub.2 O.sub.7) single crystal, preparation methods and applications thereof. The crystal has cross-sectional dimensions greater than one centimeter, a nonlinear optical effect of about 3-4 times that of KH.sub.2 PO.sub.4 (KDP), and an optical transmission wavelength range of 330-3300 nm. The crystal can be grown from a compound melt by a Czochralski method, a Kyropoulos method or a Bridgman method with the raw material being the synthetic compound Bi.sub.2 ZnB.sub.2 O.sub.7. Alternatively, the crystal may be grown from a high-temperature solution method by using Bi.sub.2 O.sub.3 as a flux. The crystal may be applied in nonlinear optical devices such as frequency doubling generators, frequency upconverters or downconverters, and optical parametric oscillators.
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机译：本发明涉及一种大型高质量的硼酸铋锌锌（Bi 2 ZnB 2 O 7）单晶，其制备方法和应用。晶体的横截面尺寸大于一厘米，非线性光学效应约为KH.2 PO.4（KDP）的3-4倍，光学透射波长范围为330-3300 nm。晶体可以通过Czochralski法，Kyropoulos法或Bridgman法从化合物熔体中生长，原料为合成化合物Bi 2 ZnB 2 O 7。或者，可以通过使用Bi 2 O 3作为助熔剂从高温溶液法中生长晶体。该晶体可应用于非线性光学设备，例如倍频发生器，频率上变频器或下变频器以及光学参量振荡器。
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