Non-linear optical crystal tetrahydrate pentaborate potassium aluminate, preparation method and application thereof

A technology of potassium aluminum pentaborate tetrahydrate and aluminum potassium pentaborate tetrahydrate, which is applied in the field of nonlinear optical crystal potassium aluminum pentaborate tetrahydrate and its preparation and application, and achieves high yield, good repeatability and large light transmission range Effect

Inactive Publication Date: 2010-01-06
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these nonlinear optical materials have been widely used in various industries, however, different fields have different requirements for nonlinear optical materials, so it is impossible to have a single nonlinear optical material that can be optimally used in all fields

Method used

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Examples

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Effect test

example 1

[0013] Example 1: Al(i-PrO) 3 (204mg) and K 2 B 4 o 7 4H 2 The mixture of O (611 mg) was added to a mixture containing 1.0 mL of water (H 2 O) and 3.0mL pyridine (pyridine) mixed solution in the polytetrafluoroethylene reactor, stirred with a magnetic stirrer. After the reactants were completely dissolved, the stirring was stopped, and the Al(i-PrO) in the reactor was 3 / K 2 B 4 o 7 4H 2 O / pyridine / H 2 The molar ratio of O was 1 / 2 / 37 / 56, and then the polytetrafluoroethylene reactor was put into a stainless steel high-pressure reactor and sealed, and reacted at 170° C. for 7 days to obtain colorless and transparent prismatic crystals.

example 2

[0014] Example 2: Al(i-PrO) 3 (204mg) and K 2 B 4 o 7 4H 2 The mixture of O (611 mg) was added to a mixture containing 1.0 mL of water (H 2 O) and 5.0mL dimethylformamide (DMF) mixed solution in the polytetrafluoroethylene reactor, stirred with a magnetic stirrer. After the reactants were completely dissolved, the stirring was stopped, and the Al(i-PrO) in the reactor was 3 / K 2 B 4 o 7 4H 2 O / DMF / H 2 The molar ratio of O was 1 / 2 / 65 / 56, and then the polytetrafluoroethylene reactor was put into a stainless steel high-pressure reactor and sealed, and reacted at 170° C. for 7 days to obtain colorless and transparent prismatic crystals.

[0015] 2. Performance test

[0016] We tested the optical properties of the obtained potassium aluminum pentaborate tetrahydrate, and the second-order nonlinear optical effect was about twice that of KDP.

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Abstract

The invention relates to a non-linear optical crystal tetrahydrate pentaborate potassium aluminate, a preparation method and application thereof. The non-linear optical crystal tetrahydrate pentaborate potassium aluminate has a chemical formula of K2Al(B5O10).4H2O; and the chemical formula contain molecular weight of 391.29, belongs to orthorhombic system with a space group of C222(1), single cell parameters: a is equal to 9.340(3), b is equal to 10.308 (3), c is equal to 13.777 (5)*, alpha, beta and gamma are equal to 90 degrees, V is equal to 1326.4(8)*<3> and Z is equal to 4. The novel non-linear optical crystal tetrahydrate pentaborate potassium aluminate is prepared by a water (agent) thermal method. The tetrahydrate pentaborate potassium aluminate has excellent non-linear optical property, and the power SHG coefficient thereof is two times of KDP, which corresponds to LBO.

Description

technical field [0001] The invention relates to a nonlinear optical material potassium aluminum pentaborate tetrahydrate (chemical formula: K 2 Al[B 5 o 10 ]·4H 2 O) Preparation and application. Background technique [0002] Nonlinear optics (Nonlinear Optics, NLO) is a new field of modern optics. It is a science that studies the nonlinear relationship between the response of matter and the field strength under the action of strong light. Among the numerous nonlinear optical effects, the frequency doubling effect (SHG) is the most noticeable and the most studied nonlinear effect. Optical materials with nonlinear effects are used in modern science and technology, especially in several civilian and military high-tech fields, such as optoelectronic communications, optical information storage, integrated circuits, optical switches, optical limiters, color laser printing, laser blinding weapons , Marine fish detection, etc., have a series of important applications. [0003]...

Claims

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Application Information

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IPC IPC(8): C30B29/22C30B7/10G02B1/02G02F1/355H01S3/16
Inventor 杨国昱荣成
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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