Infrared non-linear optical material Ba3AGa5Se10Cl2 and preparation method thereof

A nonlinear optical and infrared technology, applied in chemical instruments and methods, polycrystalline material growth, single crystal growth, etc., can solve the problems of difficult to obtain high quality, limited application, small birefringence, etc.
CN102409407AActive Publication Date: 2012-04-11FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
Publication Date
2012-04-11

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Abstract

The invention relates to an infrared non-linear optical material Ba3AGa5Se10Cl2 and a preparation method thereof. The infrared non-linear optical material Ba3AGa5Se10Cl2 is synthesized by a high-temperature solid phase synthesis method by reacting at the temperature of 850 DEG C for 100 hours. In the invention, a novel infrared non-linear optical crystal Ba3AGa5Se10Cl2 (A=Cs, Rb and K) belongs to a tetragonal system space group; Ba3CsGa5Se10Cl2 has high non-linear performance; during primary measurement, the particle size of the material of 2.05 micrometers is between 46 and 74 micrometers, and the non-linear coefficient of the material is 13.6 times that of a commercial material AgGaS2; and the material can have potential non-linear optical application value.
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Description

technical field

[0001] The invention relates to a novel infrared nonlinear optical crystal material containing an open frame and a preparation method thereof, belonging to the field of inorganic nonlinear optical materials. Background technique

[0002] With the improvement of people's requirements for infrared technology, the research is applied to infrared remote sensing, measurement, infrared military (laser guidance, infrared enemy hunting, laser anti-missile), infrared analysis (for spectral research and analysis, such as organic molecules, atmospheric composition analysis) Infrared nonlinear optical crystals and other aspects become urgent work. However, traditional nonlinear optical crystals such as borate (β-BaB 2 o 4 (BBO), LiB 3 o 5 (LBO) and CsB 3 o 5 (CBO)), phosphate (KTiPO 4 (KTP) and KH 2 PO 4 (KDP)), etc., in the mid-infrared band, the reasons such as small nonlinear coefficient and short cut-off wavelength limit its application in the infrared regio...

Claims

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