Bismuth tellurium borate compound, bismuth telluride borate nonlinear optical crystal, bismuth telluride borate scintillation crystal, preparation method and application

A technology of bismuth tellurium borate and scintillation crystals, applied in nonlinear optics, chemical instruments and methods, optics, etc., can solve the problems of expensive Lu elements, high growth temperature, etc., achieve wide transmission range, high electro-optic coefficient, and good mechanical properties Effect
CN105350083BActive Publication Date: 2017-10-10TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Publication Date
2017-10-10

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Abstract

The invention discloses a (Bi1-x-yLnxCey)3TeBO9 compound, (Bi1-x-yLnxCey)3TeBO9 nonlinear optical crystal, (Bi1-x-yLnxCey)3TeBO9 scintillation crystal, a preparation method and an application thereof. The compound crystal with its chemical formula being Bi3TeBO9 is a non-centrosymmetrical structure and belongs to the hexagonal system, and space group is P63. The invention also discloses (Bi1-x-yLnxCey)3TeBO9 compound crystal doped with different rare earth elements, wherein Ln=La-Lu or Y; X is less than 1 and greater than or equal to 0; and Y=0 or Y is less than or equal to 0.2 and greater than or equal to 0.0001. By a flux method, high-quality and large-sized (Bi1-x-yLnxCey)3TeBO9 crystal can grow, has good mechanical property is good, is deliquescence-free, and can be used for manufacturing nonlinear optical devices. A laser manufactured by the use of the crystal can be used in fields of spectroscopy, biomedicine, military and the like. The material of the invention also can be used as high-density fast-attenuation scintillation crystal.
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Description

Technical field

[0001] The invention relates to the field of artificial lenses. More specifically, it relates to a bismuth telluride borate compound, a bismuth telluride borate non-linear optical crystal, a bismuth tellurium borate scintillation crystal, and a preparation method and application thereof. Background technique

[0002] With the development of laser technology, lasers of different wavelengths are in great demand in different fields of national economy and people's livelihood, such as national defense, medical treatment, communications, lithography, and laser processing. Frequency doubling is a method often used in laser technology to change the output wavelength of a laser beam. It usually uses a special nonlinear optical crystal placed in front of the laser beam to change the output wavelength of the laser beam. At present, the commonly used nonlinear optical crystal materials mainly include KDP (KH 2 PO 4 ), KTP (KTiOPO 4 ),BBO(β-BaB 2 O 4 ) And LBO (LiB 3 O 5 ) ...

Claims

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