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Compound barium fluoroborate and barium fluoroborate nonlinear optical crystal, preparation method and use

A technology of nonlinear optics and barium fluoroborate, which is applied in the field of compounds, can solve problems such as the difficulty of growing large-sized crystals, and achieve the effects of easy processing and storage, not easy to deliquescence, and stable physical and chemical properties

Active Publication Date: 2021-06-29
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

As we all know, the only practical deep ultraviolet nonlinear optical crystal is the (KBBF) crystal invented by Chinese scientists. This crystal has a layered growth habit, and it is difficult to grow large-sized crystals, which limits its application to a certain extent.

Method used

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  • Compound barium fluoroborate and barium fluoroborate nonlinear optical crystal, preparation method and use
  • Compound barium fluoroborate and barium fluoroborate nonlinear optical crystal, preparation method and use
  • Compound barium fluoroborate and barium fluoroborate nonlinear optical crystal, preparation method and use

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Preparation compound:

[0055] According to the reaction formula: 6BaF 2 +2B 2 o 3 →4BaBOF 3 +2BaO, the compound BaBOF was synthesized by solid-state reaction method 3 :

[0056] BaF 2 , B 2 o 3 Mix evenly according to a molar ratio of 3:1, put it into a platinum crucible, place it in a muffle furnace and raise the temperature to 500°C, and keep the temperature constant for 48 hours to obtain the compound BaBOF 3 polycrystalline powder.

Embodiment 2

[0058] Preparation compound:

[0059] According to the reaction formula: 3Ba(BF 4 ) 2 +B 2 o 3 →3BaBOF 3 +5BF 3 , the compound BaBOF was synthesized by solid phase reaction 3 :

[0060] Ba(BF 4 ) 2 , B 2 o 3 Mix evenly according to a molar ratio of 3:1, put it into a platinum crucible, place it in a muffle furnace and raise the temperature to 500°C, and keep the temperature constant for 48 hours to obtain the compound BaBOF 3 polycrystalline powder.

Embodiment 3

[0062] Preparation compound:

[0063] According to the reaction formula: 3Ba(BF 4 ) 2 +2H 3 BO 3 →3BaBOF 3 +BF 3 +3H 2 O, the compound BaBOF was synthesized by solid-state reaction 3 :

[0064] Ba(BF 4 ) 2 , H 3 BO 3 Mix evenly according to a molar ratio of 3:2, put it into a platinum crucible, place it in a muffle furnace and raise the temperature to 550°C, and keep the temperature constant for 24 hours to obtain the compound BaBOF 3 polycrystalline powder.

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Abstract

The present invention relates to a compound barium fluoroborate and barium fluoroborate nonlinear optical crystal and its preparation method and application. The chemical formula of the compound is BaBOF 3 , with a molecular weight of 221.15, made by solid-phase synthesis or vacuum packaging; the chemical formula of the crystal is BaBOF 3 , the molecular weight is 221.15, belongs to the monoclinic crystal system, and the space group is P 2 1 , the cell parameters are a =4.6145(17)Å, b =4.3671(16)Å, c =7.905(3)Å, β =105.519(6)°, the unit cell volume is 153.49(10)Å 3 , the powder frequency doubling effect of the crystal is about KH 2 PO 4 (KDP) 1.0 times, the UV absorption edge is shorter than 190 nm, using the melt method, high temperature melt method, vacuum packaging method, hydrothermal method or room temperature solution method to grow crystals, the crystal has good chemical stability and can be used as a UV , Deep ultraviolet nonlinear optical crystals have been applied in all solid-state lasers.

Description

technical field [0001] The invention relates to a compound barium fluoroborate BaBOF 3 and barium fluoroborate BaBOF 3 Nonlinear optical crystal, its preparation method and application. Background technique [0002] Ultraviolet (UV) or deep ultraviolet (DUV) nonlinear optics (NLO) materials play an important role in laser frequency conversion, lithography, semiconductor lithography, etc. Due to the ability to generate coherent UV or DUV light, scientists have invented some NLO crystals in the UV and DUV bands over the past few decades, including β-BaB 2 o 4 (BBO), LiB 3 o 5 (LBO), CsB 3 o 5 (CBO), CsLiB 6 o 10 (CLBO), KBe 2 BO 3 f 2 (KBBF), K 3 B 6 o 10 Cl(KBOC) etc. As we all know, the only practical deep ultraviolet nonlinear optical crystal is the (KBBF) crystal invented by Chinese scientists. This crystal has a layered growth habit, and it is difficult to grow large-sized crystals, which limits its application to a certain extent. Scientists from all ove...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C30B29/12C30B15/00C30B17/00C30B11/00C30B9/00G02F1/355
CPCC30B9/00C30B11/00C30B15/00C30B17/00C30B29/12G02F1/3551
Inventor 潘世烈刘开通韩健
Owner XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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