Nonlinear optical crystal Pb2NbO2(SeO3)2Cl, its preparation and application
A nonlinear optics, crystal technology, applied in nonlinear optics, optics, crystal growth and other directions, can solve problems such as no literature reports
Inactive Publication Date: 2013-11-06
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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example 1
[0008] PbCl2 (166.9 mg, 0.6 mmol), Nb2O5 (53.2 mg, 0.4 mmol), SeO2 (111.0 mg, 1.0 mmol), HF (0.10 mL) and H2O (6 mL) were put into a hydrothermal reaction kettle and mixed evenly, sealed, Put it in a box-type resistance furnace, heat up from 30°C to 210°C over 300 minutes, react at constant temperature for 5500 minutes, and finally lower it to 40°C at 2°C per hour to obtain colorless rod-shaped crystals.
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The invention relates to a preparation method and application of a nonlinear optical crystal Pb2NbO2(SeO3)2Cl. The compound belongs to a monoclinic system, its space group is P21, the cell parameters are a=8.5110(5) angstroms, b=5.4148(2) angstroms, c=10.7300(6) angstroms, beta=111.753(7)<o>, and Z=2, the crystal cell volume V is 459.28(4) angstrom<3>. The compound is prepared by a hydrothermal method. The powder second-harmonic-generation (SHG) coefficient of the Pb2NbO2(SeO3)2Cl is about 2.3 times of that of KDP(KH2PO4).
Description
technical field [0001] The invention belongs to nonlinear optical crystal 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 stereochemical configurations of Se(IV) and Te(IV) comp...
Claims
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IPC IPC(8): C30B29/10C30B7/10G02F1/355
Inventor 毛江高曹雪丽
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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