A potassium fluoborate compound, a potassium fluoborate non-linear optical crystal, a preparing method of the crystal and uses of the crystal

A nonlinear optics, potassium fluoroborate technology, applied in chemical instruments and methods, boron halide compounds, crystal growth, etc., can solve problems such as limited application and difficulty in growing large-sized crystals

Active Publication Date: 2017-07-14
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

Due to the layered growth habit of KBBF crystals, it is difficult to grow large-sized crystals, which limits its application to a certain extent.

Method used

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  • A potassium fluoborate compound, a potassium fluoborate non-linear optical crystal, a preparing method of the crystal and uses of the crystal
  • A potassium fluoborate compound, a potassium fluoborate non-linear optical crystal, a preparing method of the crystal and uses of the crystal
  • A potassium fluoborate compound, a potassium fluoborate non-linear optical crystal, a preparing method of the crystal and uses of the crystal

Examples

Experimental program
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Effect test

Embodiment 1

[0054] Preparation compound:

[0055] According to the reaction formula: KF+2B 2 o 3 →KB 4 o 6 F, Compound KB was synthesized by solid-phase synthesis 4 o 6 F:

[0056] Will KF,B2 o 3 Mix evenly at a molar ratio of 1:2, put it into a platinum crucible, place it in a muffle furnace and raise the temperature to 700°C, and keep the temperature constant for 24 hours to obtain compound KB 4 o 6 F.

Embodiment 2

[0058] Preparation compound:

[0059] According to the reaction formula: KF+4H 3 BO 3 →KB 4 o 6 F+6H 2 O, compound KB was synthesized by solid phase reaction method 4 o 6 F:

[0060] Will KF,H 3 BO 3 Mix evenly at a molar ratio of 1:4, 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 120 hours to obtain compound KB 4 o 6 F.

Embodiment 3

[0062] Preparation compound:

[0063] According to the reaction formula: 12KOH+4KBF 4 →KB 4 o 6 F+15KF+6H 2 O, compound KB was synthesized by solid phase reaction method 4 o 6 F:

[0064] Will KOH, KBF 4 Mix evenly at a molar ratio of 3:1, put it into a platinum crucible, place it in a muffle furnace and raise the temperature to 600°C, and keep the temperature constant for 36 hours to obtain compound KB 4 o 6 F.

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Abstract

A potassium fluoborate compound, a potassium fluoborate non-linear optical crystal, a preparing method of the crystal and uses of the crystal are provided. The chemical formula of the compound is KB4O6F, the molecular weight of the compound is 197.34, and the compound is prepared by a solid-phase synthetic method or a vacuum encapsulation method. The chemical formula of the crystal is KB4O6F, and the molecular weight of the crystal is 197.34. The crystal belongs to an orthorhombic system, and the space group of the crystal is Pna2<1>. According to cell parameters, a=7.4638 angstroms, b=11.2913 angstroms, c=6.5089 angstroms, alpha=beta=gamma=90 degrees, and the unit-cell volume is 548.54 angstrom<3>. The frequency-doubled effect of the crystal is 1.8 times of that of KH2PO4 (KDP), and the ultraviolet absorption edge is shorter than 190 nm. The crystal grows by adopting a melt method, a high-temperature melt method, a vacuum encapsulation method, a hydrothermal method or a room-temperature solution method. The crystal has good chemical stability, and can be applied as an ultraviolet and deep ultraviolet non-linear optical crystal in all-solid-state lasers.

Description

technical field [0001] The invention relates to a compound potassium fluoroborate KB 4 o 6 F and potassium fluoroborate KB 4 o 6 F nonlinear optical crystal and its preparation method and application. Background technique [0002] Deep ultraviolet band laser (<200nm) has the advantages of short wavelength and high photon energy, so it has important application value in many fields such as high-resolution imaging, spectral applications, and microfabrication. Using deep ultraviolet nonlinear optical crystals for frequency conversion is an important means to obtain deep ultraviolet laser. At present, the practical crystals from the visible to the ultraviolet region include KTP, LBO and BBO, but the only practical crystal in the deep ultraviolet region is KBe 2 BO 3 f 2 (KBBF) crystal, using prism coupling technology has realized the direct six-fold frequency output of Nd:YAG laser at 1064nm wavelength. Therefore, China has become the only country in the world that ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C30B29/10C30B15/00C30B11/00C30B17/00C01B35/06
CPCC01B35/06C01P2002/72C30B11/00C30B15/00C30B17/00C30B29/10
Inventor 潘世烈张方方
Owner XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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