Nonlinear optical crystal gallium tellurite
A technology of nonlinear optics and tellurous acid, which is applied in the field of nonlinear optical materials and their synthesis, and can solve problems such as no literature reports
Inactive Publication Date: 2009-11-25
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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[0007] Example: Ga 2 o 3 (0.5mmol), TeO 2 (1mmol), H 2 O (6ml), stirred evenly, placed in a 20ml hydrothermal kettle, and reacted for 2 days at 180°C to obtain tetrahedral gallium tellurite (Ga 2 Te 3 o 9 ) crystals.
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The invention relates to nonlinear optical crystal gallium tellurite which belongs to a nonlinear optical material and synthesis thereof. The crystal gallium tellurite has a chemical formula of Ga2Te3O9 and the molecular weight of 355.35, belongs to the trigonal system and has a space group of I-43d and unit cell parameter Z is 16. The gallium tellurite (Ga2Te3O9) is prepared by a hydrothermal synthesis method and has good nonlinear optical performance, and the SHG of gallium tellurite powder is one time of that of KDP.
Description
technical field [0001] The invention belongs to nonlinear optical material and its synthesis. Background technique [0002] Nonlinear optical crystals, with frequency doubling effect (SHG), have important application value in high-tech fields such as laser frequency conversion, electro-optical modulation, and photorefractive information processing. Nonlinear optical materials are used in modern science and technology, especially in several military and civilian high-tech fields, such as submarine deep-water communication, laser blinding weapons, marine fish detection, optical disc recording, color laser printing, laser projection TV, optical computing and Optical fiber communication, etc., have a series of important applications. The nonlinear optical crystals currently used in practice include LiB 3 o 5 (LBO), β-BaB 2 o 4 (BBO), KH 2 PO 4 (KDP), KTiOPO 4 (KTP) etc. Recent studies have shown that the combination of Se(IV) and Te(IV) containing lone pairs of electron...
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Inventor 毛江高孔芳
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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