Compound barium fluoborate, and barium fluoborate nonlinear optical crystal, preparation method and application thereof

A nonlinear optics, barium fluoroborate technology, applied in the field of compounds, can solve problems such as difficulty in growing large-sized crystals

Active Publication Date: 2020-06-26
XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As we all know, the only practical deep ultraviolet nonlinear optical crystal is the (KBBF) crystal invented by Chinese scientists. T...

Method used

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  • Compound barium fluoborate, and barium fluoborate nonlinear optical crystal, preparation method and application thereof
  • Compound barium fluoborate, and barium fluoborate nonlinear optical crystal, preparation method and application thereof
  • Compound barium fluoborate, and barium fluoborate nonlinear optical crystal, preparation method and application thereof

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 invention relates to a compound barium fluoborate, and a barium fluoborate nonlinear optical crystal, a preparation method and application thereof, wherein the chemical formula of the compound isBaBOF3, the molecular weight of the compound is 221.15, the compound is prepared by adopting a solid-phase synthesis method or a vacuum packaging method, the chemical formula of the crystal is BaBOF3,the molecular weight of the crystal is 221.15, the crystal belongs to a monoclinic system, the space group is P2[1], the unit cell parameters are as follows: a is 4.6145(17)angstrom, b is 4.3671(16)angstrom, c is 7.905(3)angstrom and beta is 105.519(6)angstrom, the unit cell volume is 153.49(10)angstrom<3>, the powder frequency doubling effect of the crystal is about 1.0 time that of KH2PO4(KDP),the ultraviolet absorption edge is shorter than 190 nm, the crystal grows by adopting a melt method, a high-temperature melt method, a vacuum packaging method, a hydrothermal method or a room-temperature solution method, the chemical stability of the crystal is good, and the crystal can be used as an ultraviolet and deep ultraviolet nonlinear optical crystal to be applied to an all-solid-state laser device.

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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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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