CN1928167A - Big-size potassium fluorine boron beryllium crystal, its growing in hydro-thermal method and frequency-converter - Google Patents

Big-size potassium fluorine boron beryllium crystal, its growing in hydro-thermal method and frequency-converter Download PDF

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Publication number
CN1928167A
CN1928167A CNA2005100997548A CN200510099754A CN1928167A CN 1928167 A CN1928167 A CN 1928167A CN A2005100997548 A CNA2005100997548 A CN A2005100997548A CN 200510099754 A CN200510099754 A CN 200510099754A CN 1928167 A CN1928167 A CN 1928167A
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crystal
potassium
hydrothermal method
hydrothermal
mineralizer
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CN1928167B (en
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叶宁
唐鼎元
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Fujian Institute of Research on the Structure of Matter of CAS
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Fujian Institute of Research on the Structure of Matter of CAS
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/12—Halides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B7/00—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
    • C30B7/10—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions by application of pressure, e.g. hydrothermal processes

Abstract

The present invention relates to artificial crystal technology, and is large size potassium fluoroboroberyllate crystal and its hydrothermal growth process and frequency conversion device. During the hydrothermal growth process of potassium fluoroboroberyllate crystal, the selected mineralizer is hydroxide, carbonate, halide, borate or their optional mixture. The hydrothermal potassium fluoroboroberyllate crystal growing process has lumpy growth, rather layer growth, of the crystal plane and grown crystal with thickness over 5 mm.

Description

Large size potassium fluorine boron beryllium crystal and Hydrothermal Growth thereof and frequency conversion device
Technical field
This invention relates to the artificial lens field, particularly relates to large size potassium fluorine boron beryllium crystal and Hydrothermal Growth thereof and frequency conversion device.
Background technology
The potassium fluoroboroberyllate molecular formula is KBe 2(BO 3) F 2, be called for short KBBF.Belong to trigonal system, spacer is R32, and point group is D 3(the BO that main non-linear active anionic group is arranged in the same way for vertical and crystallography C axle in the lattice 3) the plane triangle group, (BO 3) between the group by with (BeO 3F) the shared Sauerstoffatom of tetrahedron group is connected to form (Be 2BO 3F 2) ∞Rely on the ionic linkage of the F atom in K and the layer to link to each other between the two-dimensional layered structure, layer and layer.
The constitutional features of KBBF has determined that it is a kind of outstanding deep ultraviolet frequency-doubling crystal.Its Clock Multiplier Factor is 0.49pm/V, and degree of birefringence is 0.07, and the crystal ultraviolet absorption edge reaches 165 nanometers.KBBF at present uniquely can realize that direct frequency multiplication produces the crystal that the following laser of 200 nanometers is exported, can produce high-quality deep ultraviolet laser by KBBF crystalline frequency-doubled effect, crucial application all be arranged at aspects such as laser medicine, spectroscopy, semiconductor light lithographies.
The laminate structure of KBBF has also determined its lamellated habit.If it is improper that growth method is selected, crystal is very slow along the growth of crystallography C direction of principal axis, and crystal is difficult for long thick.At present the KBBF crystal is to adopt the high-temperature molten salt method to grow, and the layer growth habit is very serious, and crystal can't be grown thick, is no more than 2 millimeters with the present maximum ga(u)ge of complete KBBF crystal of molten-salt growth.Because thickness is limited, crystal can't carry out cutting processing according to phase matching angle.If will make frequency doubling device, must use the prism-coupled technology, be about to thin slice KBBF crystal and be clipped in two prisms, make the prism-coupled device, complex process, and because crystal is too thin can't improve frequency-doubling conversion efficiency, this has greatly limited KBBF crystalline practicability.
The major technology problem is in KBBF crystal growth and the application: crystal stratiform habit is serious, and crystal can't be grown thick, can't be cut into frequency doubling device by phase matching angle because crystal is too thin.Prior art is with high-temperature molten salt method growth KBBF crystal, present Hydrothermal Growth KBBF crystalline report of no use.
Summary of the invention
Purpose of the present invention adopts Hydrothermal Growth large size KBBF monocrystalline exactly, and presses phase matching angle cutting processing crystal, makes frequency doubling device.
So-called hydrothermal method, be exactly with the aqueous solution as solvent, the method for growing crystal under the condition of High Temperature High Pressure.With Hydrothermal Growth KBBF crystal, overcome crystal stratiform habit, crystal realizes having the bulk growth of crystal face, and crystal thickness has surpassed 5 millimeters.Crystal can be cut into frequency doubling device by the phase matched angular direction.Use for it is large-scale and road has been paved in industrialization.
Below be concrete technical scheme: the KBBF polycrystal raw material or the crystal raw material that will press sheet are put into autoclave, add the aqueous solution that contains mineralizer, mineralizer can be the mixture of oxyhydroxide or carbonate or halogenide or borate or boric acid or their arbitrary combination etc.For example, oxyhydroxide can be sodium hydroxide, potassium hydroxide, lithium hydroxide etc.; Carbonate can be yellow soda ash, salt of wormwood, Quilonum Retard etc.; Halogenide can be Sodium Fluoride, Potassium monofluoride, lithium fluoride, sodium-chlor, Repone K, lithium chloride etc.; Borate can be Sodium Tetraborate, potassium borate, lithium tetraborate etc.The concentration range of mineralizer is volumetric molar concentration 0.01M to 8M.For example a kind of mineralizer is a potassium fluoride aqueous solution, and the Potassium monofluoride concentration range is 0.1M to 6M; For example a kind of mineralizer is Potassium monofluoride and boric acid mixed aqueous solution, and the Potassium monofluoride concentration range is 0.1M to 6M, and the boric acid concentration scope is 0.01M to 2M.Put into Internal baffle then, fix the seed crystal frame of seed crystal.Tighten chock plug.Autoclave is put into process furnace.
The Heating temperature scope is 250-500 ℃, and pressure range is a 100-3000 normal atmosphere; Molten material district and vitellarium keep a fixed difference difference, and temperature range is 10-100 ℃.Growth cycle is 10-100 days.Lower the temperature behind the growth ending, drive still.Crystal takes out the back by certain phase matching angle cutting, and is processed into frequency doubling device.
Compared with prior art, the present invention adopts Hydrothermal Growth KBBF crystal, has overcome crystal stratiform habit fully, and crystal realizes having the bulk growth of crystal face, and the crystal thickness size is above 5 millimeters.Crystal can be cut into frequency doubling device by the phase matched angular direction.Use for it is large-scale and road has been paved in industrialization.
Embodiment
Example 1: get KBF 4(1.90 gram), BeO (0.75 gram) and B 2O 3(0.35 gram) be that the raw material ground and mixed is even, put into platinum crucible, 750 ℃ of sintering 24 hours, takes out and then use the tabletting machine tablet forming.
It is in 37 milliliters the autoclave that the KBBF polycrystal raw material of tablet forming is dropped into volume, adds 31 milliliters of aqueous sodium hydroxide solutions that volumetric molar concentration is 1M.Hang seed crystal, tightened chock plug, put into process furnace.
Warm area on the process furnace is warming up to 380 ℃, and following warm area is warming up to 400 ℃, constant temperature 60 days.Still is driven in cooling then.It is that the KBBF monocrystalline of 5 mm thick is longer than on the seed crystal that gauge is arranged.
Example 2: the potassium fluoride aqueous solution that to select 31 milliliters of volumetric molar concentrations for use be 0.8M is a mineralizer, and constant temperature time is 30 days, all the other process reference examples 1.Obtaining gauge is the KBBF monocrystalline of 5 mm thick.
Example 3: the aqueous sodium carbonate that to select 31 milliliters of volumetric molar concentrations for use be 1M is a mineralizer; Warm area on the process furnace is warming up to 450 ℃, and following warm area is warming up to 500 ℃, constant temperature 30 days; All the other process reference examples 1.Obtain the KBBF monocrystalline of gauge greater than 5 mm thick.
Example 4: selecting volume for use is in 37 milliliters the autoclave, and the potassium fluoride aqueous solution that to add 31 milliliters of volumetric molar concentrations be 6M is a mineralizer; Warm area on the process furnace is warming up to 350 ℃, and following warm area is warming up to 380 ℃, constant temperature 30 days; All the other process reference examples 1.Obtaining gauge is the KBBF monocrystalline of 5 mm thick.
Example 5: selecting volume for use is in 37 milliliters the autoclave, and the sodium fluoride aqueous solution that to add 31 milliliters of volumetric molar concentrations be 2M is a mineralizer.Warm area on the process furnace is warming up to 250 ℃, and following warm area is warming up to 300 ℃, constant temperature 60 days.All the other process reference examples 1.Obtain the KBBF monocrystalline of gauge greater than 5 mm thick.
Example 6: selecting volume for use is in 37 milliliters the autoclave, to add 31 milliliters of lithium carbonate aqueous solutions that volumetric molar concentration is 1M.Warm area on the process furnace is warming up to 400 ℃, and following warm area is warming up to 430 ℃, constant temperature 30 days.All the other process reference examples 1.Obtain the KBBF monocrystalline of gauge greater than 5 mm thick.
Example 7: get KBF 4(2.90 gram), BeO (1.15 gram) and H 3BO 3(0.95 gram) is raw material; Selecting volume for use is in 32 milliliters the autoclave, and the potassium borate aqueous solution that to add 26 milliliters of volumetric molar concentrations be 2M is mineralizer; Warm area on the process furnace is warming up to 420 ℃, and following warm area is warming up to 450 ℃, constant temperature 30 days.All the other process reference examples 1.Obtaining gauge is the KBBF monocrystalline of 5 mm thick.
Example 8: selecting volume for use is in 37 milliliters the autoclave, and the mixed aqueous solution of Potassium monofluoride that to add 29 milliliters of volumetric molar concentrations be 0.8M and the boric acid of 0.3M is a mineralizer.Warm area on the process furnace is warming up to 400 ℃, and following warm area is warming up to 420 ℃, constant temperature 30 days.All the other process reference examples 1.The acquisition gauge is that the KBBF monocrystalline of 6 mm thick is longer than on the seed crystal.
Example 9: the KBBF monocrystalline blank of water intaking thermal growth, cut into 3 * 3 * 3 millimeters cubes, a cubes wherein limit is parallel to optical direction.Optical direction becomes about 66 ° of angles with crystalline crystallography C axle.Two faces perpendicular to optical direction are logical light face.To lead to the light mirror polish.Promptly make six frequency doubling devices.With a branch of wavelength is that the laser of 355 nanometers prolongs these KBBF six frequency doubling devices of optical direction incident, promptly produces wavelength and be 177.3 laser output.
Example 10: the KBBF monocrystalline blank of water intaking thermal growth, cut into 3 * 3 * 3 millimeters cubes, a cubes wherein limit is parallel to optical direction.Optical direction becomes about 36 ° of angles with crystalline crystallography C axle.Two faces perpendicular to optical direction are logical light face.To lead to the light mirror polish.Promptly make the quadruple device.With a branch of wavelength is that the laser of 532 nanometers prolongs this KBBF quadruple device of optical direction incident, promptly produces wavelength and be 266 laser output.
Example 11: the KBBF monocrystalline blank of water intaking thermal growth, cut into 3 * 3 * 3 millimeters cubes, a cubes wherein limit is parallel to optical direction.Optical direction becomes about 47 ° of angles with crystalline crystallography C axle.Two faces perpendicular to optical direction are logical light face.To lead to the light mirror polish.Promptly make quintupler spare.With a branch of wavelength is that 532 nanometers and a branch of wavelength are that the laser of 355 nanometers prolongs this KBBF quintupler spare of optical direction incident, and promptly producing wavelength is the laser output of 213 nanometers.
Example 12: the KBBF monocrystalline blank of water intaking thermal growth, cut into 3 * 3 * 3 millimeters cubes, a cubes wherein limit is parallel to optical direction.Optical direction becomes about 27 ° of angles with crystalline crystallography C axle.Two faces perpendicular to optical direction are logical light face.To lead to the light mirror polish.Promptly make with 355 nanometers is the parametric devices of pump light source.With a branch of wavelength is that the laser of 355 nanometers prolongs this KBBF parametric devices of optical direction incident, rotates crystal, changes the angle of crystal optical direction and incident light, and the laser that can obtain wavelength tuning range and be about 400 nanometers to 2 micron is exported.

Claims (14)

1. use the Hydrothermal Growth potassium fluorine boron beryllium crystal.
2. hydrothermal method as claimed in claim 1 is characterized in that: the mineralizer that this method is selected for use is the mixture of oxyhydroxide or carbonate or halogenide or borate or boric acid or their arbitrary combination.
3. hydrothermal method as claimed in claim 2 is characterized in that: described oxyhydroxide is sodium hydroxide or potassium hydroxide or lithium hydroxide.
4. hydrothermal method as claimed in claim 2 is characterized in that: described carbonate is yellow soda ash or salt of wormwood or Quilonum Retard.
5. hydrothermal method as claimed in claim 2 is characterized in that: described halogenide is Sodium Fluoride or Potassium monofluoride or lithium fluoride or sodium-chlor or Repone K or lithium chloride.
6. hydrothermal method as claimed in claim 2 is characterized in that: described borate is Sodium Tetraborate or potassium borate or lithium tetraborate.
7. as the arbitrary described hydrothermal method of claim 2-6, it is characterized in that: the concentration range of described mineralizer is volumetric molar concentration 0.01M to 8M.
8. as the arbitrary described hydrothermal method of claim 2-6, it is characterized in that: the Heating temperature scope that is adopted is 250-500 ℃, and the pressure range that is adopted is a 100-3000 normal atmosphere.
9. hydrothermal method as claimed in claim 2 is characterized in that: described mineralizer is Potassium monofluoride and mebor.
10. hydrothermal method as claimed in claim 9 is characterized in that: described Potassium monofluoride concentration range is 0.1M to 6M, and the boric acid concentration scope is 0.01M to 2M.
11. hydrothermal method as claimed in claim 2 is characterized in that: described mineralizer is a Potassium monofluoride.
12. hydrothermal method as claimed in claim 11 is characterized in that: the concentration range of described Potassium monofluoride is 0.1M to 6M.
13. adopt the large size potassium fluorine boron beryllium crystal that claim 1-6 is arbitrary or any method of 9-12 is grown.
14. the frequency conversion device that the large size potassium fluorine boron beryllium crystal of a claim 13 is made.
CN2005100997548A 2005-09-06 2005-09-06 Big-size potassium fluorine boron beryllium crystal, its growing in hydro-thermal method and frequency-converter Active CN1928167B (en)

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PCT/CN2006/002275 WO2007028326A1 (en) 2005-09-06 2006-09-04 LARGE-SIZE KBe2(BO3)F3 CRYSTAL, ITS PREPARATION METHOD AND FREQUENCY CONVERTER BY USING IT

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CN100425745C (en) * 2006-04-07 2008-10-15 中国科学院理化技术研究所 Method for developing potassium fluoroboric beryllium acid / sodium crystal through hydrothermal method
CN101591800B (en) * 2009-06-11 2011-07-20 山东师范大学 Method for preparing nonlinear optical crystal by using low temperature hydrothermal method
CN103710749A (en) * 2013-12-16 2014-04-09 中国科学院福建物质结构研究所 Sodium calcium fluorocarbonate compound and nonlinear optical crystal thereof, and crystal growth method
CN105002558A (en) * 2015-06-16 2015-10-28 武汉大学 Second-order non-linear optical crystal K2SbF2C13 and preparation method and application thereof
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CN105624785A (en) * 2015-09-29 2016-06-01 中国科学院福建物质结构研究所 Ammonium beryllium borate fluoride as nonlinear optical crystal as well as preparation method and application thereof
CN105624780A (en) * 2015-09-29 2016-06-01 中国科学院福建物质结构研究所 Nonlinear beryllium borate fluoride (BBF) optical crystal as well as preparation method and application thereof
WO2017054347A1 (en) * 2015-09-29 2017-04-06 中国科学院福建物质结构研究所 Nonlinear optical crystal beryllium fluoroboarate and preparation method and application thereof
CN106757339A (en) * 2016-11-29 2017-05-31 中国科学院福建物质结构研究所 Halogen Firebrake ZB salt compound and its nonlinear optical crystal and growing method
CN110424048A (en) * 2019-07-29 2019-11-08 山东师范大学 A kind of non-linear optical crystal material and preparation method and application
US11898267B2 (en) 2015-09-29 2024-02-13 Fujian Institute Of Research On The Structure Of Matter, Chinese Academy Of Sciences Nonlinear optical crystal fluorine boron beryllium salt and its preparation process and use

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CN100425745C (en) * 2006-04-07 2008-10-15 中国科学院理化技术研究所 Method for developing potassium fluoroboric beryllium acid / sodium crystal through hydrothermal method
CN101591800B (en) * 2009-06-11 2011-07-20 山东师范大学 Method for preparing nonlinear optical crystal by using low temperature hydrothermal method
CN103710749A (en) * 2013-12-16 2014-04-09 中国科学院福建物质结构研究所 Sodium calcium fluorocarbonate compound and nonlinear optical crystal thereof, and crystal growth method
CN105002558B (en) * 2015-06-16 2017-12-26 武汉大学 Second-order non-linear optical crystal K2SbF2Cl3And its preparation method and application
CN105002558A (en) * 2015-06-16 2015-10-28 武汉大学 Second-order non-linear optical crystal K2SbF2C13 and preparation method and application thereof
CN105154977A (en) * 2015-09-09 2015-12-16 上海大学 Growth method for high-photoyield lead tungstate (PbWO4) scintillation crystal
CN105624785A (en) * 2015-09-29 2016-06-01 中国科学院福建物质结构研究所 Ammonium beryllium borate fluoride as nonlinear optical crystal as well as preparation method and application thereof
CN105624780A (en) * 2015-09-29 2016-06-01 中国科学院福建物质结构研究所 Nonlinear beryllium borate fluoride (BBF) optical crystal as well as preparation method and application thereof
WO2017054347A1 (en) * 2015-09-29 2017-04-06 中国科学院福建物质结构研究所 Nonlinear optical crystal beryllium fluoroboarate and preparation method and application thereof
CN105624780B (en) * 2015-09-29 2018-06-15 中国科学院福建物质结构研究所 Nonlinear optical crystal fluoboric acid beryllium and its preparation method and application
CN105624785B (en) * 2015-09-29 2018-11-06 中国科学院福建物质结构研究所 Nonlinear optical crystal NaCaBe2B2O6 ammonium and its preparation method and application
US10858756B2 (en) 2015-09-29 2020-12-08 Fujian Institute Of Research On The Structure Of Matter, Chinese Academy Of Sciences Nonlinear optical crystal fluorine boron beryllium salt and its preparation process and use
US11898267B2 (en) 2015-09-29 2024-02-13 Fujian Institute Of Research On The Structure Of Matter, Chinese Academy Of Sciences Nonlinear optical crystal fluorine boron beryllium salt and its preparation process and use
CN106757339A (en) * 2016-11-29 2017-05-31 中国科学院福建物质结构研究所 Halogen Firebrake ZB salt compound and its nonlinear optical crystal and growing method
CN110424048A (en) * 2019-07-29 2019-11-08 山东师范大学 A kind of non-linear optical crystal material and preparation method and application

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