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Compound sodium borate monohydrate nonlinear optical crystal, and preparation method and application thereof

A sodium borate hydrate and nonlinear optics technology, applied in nonlinear optics, chemical instruments and methods, optics, etc., can solve problems such as serious layered growth habit, long growth cycle, and easy deliquescence of crystals, and achieve easy large-size crystals , fast growth, less toxic effect on human body

Active Publication Date: 2015-04-01
XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the crystal growth technology of these materials has become increasingly mature, there are still obvious shortcomings: such as crystal deliquescence, long growth cycle, serious layered growth habit and expensive price, etc.

Method used

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  • Compound sodium borate monohydrate nonlinear optical crystal, and preparation method and application thereof
  • Compound sodium borate monohydrate nonlinear optical crystal, and preparation method and application thereof
  • Compound sodium borate monohydrate nonlinear optical crystal, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] According to the chemical reaction formula NaOH+H 3 BO 3 +H 2 O+LiF→Na 2 [BO 2 (OH)]·H 2 O+H 2 O as an example, the preparation of compound Na 2 [BO 2(OH)]·H 2 O crystal, the specific operation is carried out according to the following steps:

[0033] According to NaOH, LiF and H 3 BO 3 The molar ratio is 1:1:1, and the NaOH solid and H 3 BO 3 Dissolve the powder in a container filled with 250mL of deionized water, then add LiF solid powder into the solution, and treat it in an ultrasonic wave at a temperature of 25°C for 60 minutes to make it fully mixed;

[0034] Then take out the solution, cool it down to room temperature naturally, seal it with plastic wrap, then pierce some small holes on the film, put the solution in a clean, pollution-free, air-free environment, the reaction temperature is 25°C, and let it stand for 60 days ;

[0035] After 60 days, some smaller crystals were formed at the bottom of the container, and the crystals continued to grow ...

Embodiment 2

[0038] According to the chemical reaction formula NaOH+B 2 o 3 +H 2 O+LiF→Na 2 [BO 2 (OH)]·H 2 O+H 2 O as an example, the preparation of compound Na 2 [BO 2 (OH)]·H 2 O crystal, the specific operation is carried out according to the following steps:

[0039] According to NaOH, LiF and B 2 o 3 The molar ratio of 2:2:1 weighed, NaOH solid and B 2 o 3 Dissolve the powder in a container filled with 500mL of deionized water, then add LiF solid powder into the solution, and treat it in an ultrasonic wave at a temperature of 25°C for 60 minutes to make it fully mixed;

[0040] Then take out the solution, cool it down to room temperature naturally, put the solution directly in a clean, pollution-free, air-free environment, and let it stand for 50 days at a reaction temperature of 45°C;

[0041] After 50 days, some smaller crystals were formed at the bottom of the container, and the crystals continued to grow until the crystal size did not change significantly, and the gro...

Embodiment 3

[0044] With the chemical reaction formula Na 2 O+H 3 BO 3 +H 2 O+LiF→Na 2 [BO 2 (OH)]·H 2 O+H 2 O as an example, the preparation of compound Na 2 [BO 2 (OH)]·H 2 O crystal, the specific operation is carried out according to the following steps:

[0045] Press Na 2 O, LiF and H 3 BO 3 The molar ratio is 1:2:2 and weighed, Na 2 O solid and H 3 BO 3 Dissolve the powder in a container filled with 500mL of deionized water, then add LiF solid powder into the solution, and treat it in an ultrasonic wave at a temperature of 25°C for 60 minutes to make it fully mixed;

[0046] Then take out the solution, cool it down to room temperature naturally, put the solution directly in a clean, pollution-free, air-free environment, and let it stand for 30 days at a reaction temperature of 50°C;

[0047] After 30 days, some smaller crystals were formed at the bottom of the container, and the crystals continued to grow until the crystal size did not change significantly, and the gr...

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Abstract

The invention relates to a compound sodium borate monohydrate nonlinear optical crystal, and a preparation method and an application thereof. The crystal has a chemical formula of NA2[BO2(OH)].H2O. The crystal belongs to an orthorhombic system and a space group of Pca21. The crystal has a molecular weight of 123.81. A powder frequency-doubled effect reaches 0.6 times that of KDP(KH2PO4). According to the invention, a water solution method is adopted; water content is slowly evaporated in 3-60 days, and crystals are obtained; crystals with good quality are selected as seed crystals; and the centimeter-grade compound sodium borate monohydrate nonlinear optical crystal can be obtained with a programmed cooling method or a constant temperature method. The growth process of the crystal has the advantages of simple operation and low cost. The adopted reagent is an inorganic raw material with low toxicity. The crystal has the advantages of short growth period, stable physical and chemical properties, and the like. The nonlinear optical crystal provided by the invention can be widely applied in frequency conversion and nonlinear optical devices such as optical parametric oscillators.

Description

technical field [0001] The invention relates to a compound sodium borate monohydrate nonlinear optical crystal, the chemical formula of which is Na 2 [BO 2 (OH)]·H 2 O, and the preparation method and the nonlinear optical device made by using the crystal. Background technique [0002] Nonlinear optical crystals have important application value in many fields, such as laser technology, atmospheric monitoring, national defense and so on. Nonlinear optical materials are the material basis of the contemporary optoelectronic industry, and are an important pillar for the development of solid-state laser technology, infrared technology, optical communication, and information processing. They play an increasingly important role in scientific research, industry, transportation, national defense, and medical care. role. At present, the laser bands that can be directly obtained by using nonlinear optical crystals are limited. From the ultraviolet to the infrared spectrum, there are...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C30B29/22C30B7/08G02F1/355
Inventor 潘世烈赵文武
Owner XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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