Compound potassium lead borophosphate nonlinear optical crystal as well as preparation method and application thereof

A nonlinear optics, potassium lead phosphate technology, applied in nonlinear optics, chemical instruments and methods, optics, etc., can solve the problems of slow growth, difficult to obtain large-sized crystals, BBO phase transition, etc.
CN101876772AInactive Publication Date: 2010-11-03XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
Publication Date
2010-11-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a compound potassium lead borophosphate nonlinear optical crystal as well as a preparation method and application thereof. The compound has the chemical formula of KPbBP2O8. The preparation method comprises the following steps of: after uniformly mixing a raw material containing K, Pb, B and P by adopting a solid-phase reaction method, heating for carrying out solid-phase reaction to obtain a compound of the potassium lead borophosphate; and growing a crystal on the compound by adopting a melt method to obtain the potassium lead borophosphate nonlinear optical crystal. The compound is the centimeter-grade large size nonlinear optical crystal of a tetragonal crystal system; a space group is I-42d; cell parameters comprise a=7.1764(7), b=7.1764(7), c=13.9483(13), Z=4 and V=718.35; the powder frequency doubling effect of the compound is equivalent to that of KDP (Potassium Dihydrogen Phosphate); the Mohs hardness is 4 to 5; and the potassium lead borophosphate nonlinear optical crystal has the advantages of easy cutting, polishing processing and storage, no deliquescence, high preparation speed, simple operation, low cost, good mechanical performance, difficult cracking, stable physicochemical property, and the like and is suitable for manufacturing an nonlinear optical device.
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Description

technical field

[0001] The invention relates to a compound potassium lead borophosphate (KPbBP 2 o 8 ) nonlinear optical crystal and its preparation method and application. Background technique

[0002] Nonlinear optical crystal material is a new type of material. It uses nonlinear processes such as frequency doubling, frequency mixing, optical parametric oscillation and multiphoton absorption of nonlinear optical crystal material to achieve the purpose of optical frequency conversion. This type of crystal is widely used in laser frequency Transformation, four-wave mixing, beam steering, image amplification, optical information processing, optical storage, optical fiber communication, underwater communication, laser countermeasures and nuclear fusion research and other fields.

[0003] After decades of hard work by scientists from various countries, many nonlinear optical crystals have been discovered, and some nonlinear optical crystals have been used in practice, such as...

Claims

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