CN109137079A - A kind of Li2MnSnSe4Nonlinear optical crystal and its preparation method and application - Google Patents

A kind of Li2MnSnSe4Nonlinear optical crystal and its preparation method and application Download PDF

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Publication number
CN109137079A
CN109137079A CN201710841536.XA CN201710841536A CN109137079A CN 109137079 A CN109137079 A CN 109137079A CN 201710841536 A CN201710841536 A CN 201710841536A CN 109137079 A CN109137079 A CN 109137079A
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China
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mnsnse
nonlinear optical
optical crystal
crystal
source material
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Inventor
姚吉勇
李小双
郭扬武
李超
周墨林
吴以成
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Technical Institute of Physics and Chemistry of CAS
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Technical Institute of Physics and Chemistry of CAS
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    • 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
    • C30B29/46—Sulfur-, selenium- or tellurium-containing compounds
    • 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
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C30B11/02—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method without using solvents
    • 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
    • G02F1/355—Non-linear optics characterised by the materials used
    • G02F1/3551—Crystals

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

The invention discloses a kind of Li2MnSnSe4Nonlinear optical crystal and its preparation method and application, Li2MnSnSe4Nonlinear optical crystal uses high-temperature fusant spontaneous crystallization method or Bridgman-Stockbarge method for growing；In the Li2MnSnSe4The advantages that growing crystals of nonlinear optical crystal are easily grown up and transparent no package, have the speed of growth very fast, at low cost, are easy to get larger size crystal；Gained Li2MnSnSe4The advantages that nonlinear optical crystal has than wider transmission region, and hardness is larger, good mechanical property, not easily broken and deliquescence, easy to process and preservation；The Li2MnSnSe4Nonlinear optical crystal can be used for making device for non-linear optical.

Description

A kind of Li2MnSnSe4Nonlinear optical crystal and its preparation method and application
Technical field
The present invention relates to a kind of Li2MnSnSe4Nonlinear optical crystal (Li2MnSnSe4Monocrystalline) and the Li2MnSnSe4 The preparation method of monocrystalline and the Li2MnSnSe4Purposes of the monocrystalline for the device for non-linear optical of production.
Background technique
Crystal with nonlinear optical effect is known as nonlinear optical crystal.Here nonlinear optical effect refers to again Frequently with frequency, difference frequency, parameter amplification etc. effects.Only the crystal without symmetrical centre has been likely to nonlinear optical effect.Benefit With the nonlinear optical effect of crystal, second harmonic generator, upper and lower frequency converter, optical parametric oscillator etc. can be made Device for non-linear optical.The laser that laser generates can carry out frequency conversion by device for non-linear optical, to obtain more The laser of useful wavelength, makes laser be more widely used.According to the difference of material application band, ultraviolet light can be divided into Area, visible and near-infrared region and mid-infrared light area nonlinear optical material three categories.Visible region and ultraviolet region it is non- Linear optical crystal material has been able to satisfy the requirement of practical application；It is such as practical in two frequencys multiplication (532nm) crystal mainly to have KTP(KTiOPO4)、BBO(β-SnB2O4)、LBO(LiB3O5) crystal；In frequency tripling (355nm) crystal it is practical have BBO, LBO、CBO(CsB3O5) available.And the nonlinear crystal development of infrared band is slow；The material of infrared light district is mostly ABC2The chalcopyrite structure semiconductor material of type, such as AgGaQ2(Q=S, Se, Te), the light injury threshold of infrared non-linear crystal is too Low and crystal growth is difficult, directly affects actual use.Middle infrared band nonlinear optical crystal has in optoelectronic areas Important application, for example, it can by the means such as optical parametric oscillation or optically erasing by the laser of near infrared band (such as 1.064 μm) extend to middle infrared；It can also be with important laser (such as CO of centering infrared light district2Laser, 10.6 μm) it carries out again Frequently, this is of great significance for obtaining the continuously adjustable laser of wavelength.Therefore the novel infrared non-linear of excellent performance is found Optical crystal material has become one of difficult point and forward position direction of current nonlinear optical material research field.
We have studied Li for the first time2MnSnSe4Crystal structure, and find Li2MnSnSe4With non-linear optical property.
Summary of the invention
It is an object of that present invention to provide a kind of Li2MnSnSe4Nonlinear optical crystal.
Another object of the present invention is to provide Li2MnSnSe4The preparation method of nonlinear optical crystal.
Still a further object of the present invention is to provide Li2MnSnSe4The application of nonlinear optical crystal, especially prepare it is non-thread Application in property optical device.
In order to achieve the above objectives, technical scheme is as follows:
Li provided by the invention2MnSnSe4Nonlinear optical crystal, the Li2MnSnSe4Nonlinear optical crystal does not have There is symmetrical centre, belongs to rhombic system, space group Pmn21, cell parameter are as follows: α=β=γ=90 °.
Li provided by the invention2MnSnSe4The preparation method of nonlinear optical crystal is high-temperature fusant spontaneous crystallization method Grow Li2MnSnSe4Nonlinear optical crystal, step include: by powdered Li2MnSnSe4Compound is heated to melting high Warm melt and after being kept for 24-96 hours, is cooled to room temperature with 1-10 DEG C/h of rate of temperature fall, obtains yellow transparent Li2MnSnSe4Crystal.
The powdered Li2MnSnSe4Preparing for compound is as follows:
By Li source material, Mn source material, Sn source material and simple substance Se simple substance according to molar ratio Li:Mn:Sn:Se=2:1:1: (in principle, all using general chemical synthesis process 4 ratio after mixing, is heated to 800-1050 DEG C of progress solid phase reaction It can prepare Li source material, Mn source material, Sn source material and simple substance Se simple substance according to molar ratio Li:Mn:Sn:Se=2:1:1: 4 ratio compound；The preferred solid reaction process of the present invention), obtaining chemical formula is Li2MnSnSe4Compound, smashed to pieces grinding Obtain powdered Li2MnSnSe4Compound；
The Li source material is lithium simple substance or lithium selenide；
The Mn source material is cadmium simple substance or cadmium selenide:
The Sn source material is tin simple substance or two stannic selenides.
The Li2MnSnSe4Compound can be prepared by following chemical equations:
(1) 2Li+Mn+Sn+4Se=Li2MnSnSe4；
(2)Li2Se+Mn+Sn+3Se=Li2MnSnSe4；
(3) 2Li+MnSe+Sn+3Se=Li2MnSnSe4；
(4)2Li+Mn+SnSe2+ 2Se=Li2MnSnSe4；
(5)Li2Se+MnSe+SnSe2=Li2MnSnSe4；
Li provided by the invention2MnSnSe4Another preparation method of nonlinear optical crystal, is Bridgman-Stockbarge method for growing Li2MnSnSe4Nonlinear optical crystal comprising following steps:
By Li source material, Mn source material, Sn source material and simple substance Se simple substance according to molar ratio Li:Mn:Sn:Se=2:1:1: 4 ratio is put into crystal growing apparatus, is to slowly warm up to melting sources, after raw material is completely melt, crystal growing apparatus with The speed of 0.1-10mm/h vertically declines, and carries out Li during crystal growing apparatus decline2MnSnSe4Nonlinear optical crystal Growth, growth cycle are 5-20 days；
The Li source material is lithium simple substance or lithium selenide；
The Mn source material is cadmium simple substance or cadmium selenide:
The Sn source material is tin simple substance or two stannic selenides.
Li having a size of Centimeter Level can get using above two method2MnSnSe4Nonlinear optical crystal；Using big Size crucible, and extend growth period, then it can get corresponding larger size Li2MnSnSe4Nonlinear optical crystal.
According to the crystallography data of crystal, crystal boule is oriented, is cut by required angle, thickness and sectional dimension brilliant Body polishes crystal light pass surface, can be used as device for non-linear optical use, the Li2MnSnSe4Nonlinear optical crystal has The advantages that physical and chemical performance is stablized, and hardness is larger, good mechanical property, not easily broken, is not easy to deliquesce, easy to process and preservation； So the present invention furthermore provides Li2MnSnSe4The purposes of nonlinear optical crystal, the Li2MnSnSe4Non-linear optical crystal Body is used to prepare device for non-linear optical, which includes that at least a branch of incidence electromagnetic radiation is passed through at least one The block Li2MnSnSe4The dress of output radiation of at least a branch of frequency different from incidence electromagnetic radiation is generated after nonlinear optical crystal It sets.
Li of the invention2MnSnSe4Compound, the nonlinear optical crystal of the compound and its preparation method and application It has the effect that
In the Li2MnSnSe4The growing crystals of nonlinear optical crystal are easily grown up and transparent no package, have growth speed The advantages that degree is very fast, at low cost, is easy to get larger size crystal；Li obtained2MnSnSe4Nonlinear optical crystal has The advantages that than wider transmission region, hardness is larger, good mechanical property, not easily broken and deliquescence, easy to process and preservation；It should Li2MnSnSe4Nonlinear optical crystal can be used for making device for non-linear optical.
Detailed description of the invention
Fig. 1 is using Li of the present invention2MnSnSe4A kind of typical device for non-linear optical made of nonlinear optical crystal Working principle diagram, wherein 1 is laser, 2 be incoming laser beam, and 3 be after crystal post-processing and optical manufacturing Li2MnSnSe4Nonlinear optical crystal, 4 be generated shoot laser beam, and 5 be filter plate；
Fig. 2 is Li2MnSnSe4The structural schematic diagram of nonlinear optical crystal.
Specific embodiment
With the drawings and specific embodiments, the present invention is described in further detail below.
Embodiment 1 prepares Li using high-temperature fusant spontaneous crystallization method2MnSnSe4Crystal:
Weigh 3.713 grams of Li2Se, 5.356 grams of MnSe and 11.065 gram of SnSe2(i.e. Li2Se:MnSe:SnSe2= 0.04mol:0.04mol:0.04mol), after evenly mixing, it is fitted into the quartz glass tube of Φ 12mm × 20mm, is evacuated to It after 10-3 pa, is packaged and placed in tubular type growth furnace with oxyhydrogen flame, is slowly increased to 900 DEG C, constant temperature 72 hours, with the speed of 5 DEG C/h Rate slow cooling closes tubular type growth furnace to room temperature；It is cut after quartz ampoule is cooling, transparent Li can be obtained2MnSnSe4Crystal.
Embodiment 2 prepares Li using Bridgman-Stockbarger method2MnSnSe4Crystal:
Weigh 0.417 gram of Li, 1.648 grams of Mn, 3.561 grams of Sn and 19.741 gram of Se (Li:Mn:Sn:Se=0.06mol: 0.03mol:0.03mol:0.24mol), after evenly mixing, it is fitted into the quartz glass tube of Φ 20mm × 30mm, is evacuated to 10-3It after pa, is packaged and placed in crystal growing furnace with oxyhydrogen flame, being slowly increased to 900 DEG C makes melting sources, is completely melt to raw material Afterwards, grower was vertically declined with 0.1-10mm/ hours speed；After crystal growth, grower was down to 20 hours Room temperature obtains transparent Li2MnSnSe4Crystal.
After tested, Li prepared by above-described embodiment 1-22MnSnSe4Nonlinear optical crystal category rhombic system, space group For Pmn21, cell parameter are as follows:α=β=γ=90 °, Z=2,Density: 4.126g/cm3, there is frequency-doubled effect；Fig. 2 is the Li2MnSnSe4The structure of nonlinear optical crystal Schematic diagram.
Embodiment 3:
The resulting Li of embodiment 1-22MnSnSe4Crystal is not easily broken, and easy to cut, polishing and preservation do not deliquesce； By the resulting Li of embodiment 1-22MnSnSe4Crystal is placed at position of 1 shown device of attached drawing marked as 3, at room temperature, with tune The Ho:Tm:Cr:YAG laser light source of Q, incident wavelength are the infrared light of 2090nm, and output wavelength is the frequency multiplication of 1045nm Light, laser intensity are AgGaS2Half.
Attached drawing 1 is using Li of the present invention2MnSnSe4A kind of typical nonlinear optics device made of nonlinear optical crystal The working principle diagram of part, wherein 1 is laser, 2 be incoming laser beam, and 3 be after crystal post-processing and optical manufacturing Li2MnSnSe4Nonlinear optical crystal, 4 be generated shoot laser beam, and 5 be filter plate；Incident laser is issued by laser 1 Beam 2 injects Li2MnSnSe4Monocrystal 3, generated shoot laser beam 4 is by filter plate 5, and laser beam required for obtaining.
Use Li of the invention2MnSnSe4The device of nonlinear optical crystal production can be a times frequency generator, upper and lower frequency Rate converter, optical parametric oscillator, photoparametric amplifier etc..
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng It is described the invention in detail according to embodiment, it will be apparent to an ordinarily skilled person in the art that technical side of the invention Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention Scope of the claims in.

Claims (7)

1. a kind of Li2MnSnSe4Nonlinear optical crystal, which is characterized in that the Li2MnSnSe4Nonlinear optical crystal does not have Symmetrical centre is had, rhombic system, space group Pmn2 are belonged to1, cell parameter are as follows: α=β=γ=90 °.
2. Li described in a kind of claim 12MnSnSe4The preparation method of nonlinear optical crystal, the preparation method is that high temperature melting Body spontaneous crystallization method grows Li2MnSnSe4Nonlinear optical crystal,
It or is Bridgman-Stockbarge method for growing Li2MnSnSe4Nonlinear optical crystal.
3. preparation method according to claim 2, which is characterized in that high-temperature fusant spontaneous crystallization method grows Li2MnSnSe4 Nonlinear optical crystal includes the following steps:
By Li source material, Mn source material, Sn source material and simple substance Se simple substance according to molar ratio Li:Mn:Sn:Se=2:1:1:4's Ratio, which is mixed and heated to, melts to obtain high temperature solution and after being kept for 24-96 hours, is cooled to room with 1-10 DEG C/h of rate of temperature fall Temperature obtains Li2MnSnSe4Crystal.
4. preparation method according to claim 2, which is characterized in that Bridgman-Stockbarge method for growing Li2MnSnSe4Nonlinear optical Crystal is learned to include the following steps:
By Li source material, Mn source material, Sn source material and simple substance Se simple substance according to molar ratio Li:Mn:Sn:Se=2:1:1:4's Ratio is put into crystal growing apparatus, is to slowly warm up to melting sources, and after raw material is completely melt, crystal growing apparatus is with 0.1- The speed of 10mm/h vertically declines, and carries out Li during crystal growing apparatus decline2MnSnSe4Nonlinear optical crystal growth, Its growth cycle is 5-20 days.
5. preparation method according to claim 3 or 4, which is characterized in that the Li source material is lithium simple substance or lithium selenide； The Mn source material is cadmium simple substance or cadmium selenide；The Sn source material is tin simple substance or two stannic selenides.
6. a kind of Li described in claim 12MnSnSe4Nonlinear optical crystal is preparing the application in device for non-linear optical.
7. application according to claim 6, which is characterized in that prepared device for non-linear optical includes will be at least a branch of Incidence electromagnetic radiation passes through at least one piece of Li2MnSnSe4At least a branch of frequency is generated after nonlinear optical crystal is different from incidence The device of the output radiation of electromagnetic radiation.
CN201710841536.XA 2017-09-18 2017-09-18 A kind of Li2MnSnSe4Nonlinear optical crystal and its preparation method and application Pending CN109137079A (en)

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Publication number Priority date Publication date Assignee Title
CN105506743A (en) * 2015-12-29 2016-04-20 中国科学院理化技术研究所 Li6Cd5Sn4Se16 nonlinear optical crystal, and preparation method and application thereof
CN105543970A (en) * 2015-12-29 2016-05-04 中国科学院理化技术研究所 Li7Cd4.5Ge4Se16 nonlinear optical crystal, and preparation method and application thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105506743A (en) * 2015-12-29 2016-04-20 中国科学院理化技术研究所 Li6Cd5Sn4Se16 nonlinear optical crystal, and preparation method and application thereof
CN105543970A (en) * 2015-12-29 2016-05-04 中国科学院理化技术研究所 Li7Cd4.5Ge4Se16 nonlinear optical crystal, and preparation method and application thereof

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JIAN-HAN ZHANG, ET AL.: "Infrared Nonlinear Optical Properties of Lithiumcontaining Diamond-Like Semiconductors Li2ZnGeSe4 and Li2ZnSnSe4", 《DALTON TRANSACTION》 *
X.-Q. WANG, ET AL.: "Investigation of Bimetallic Thiocyanates belonging to ABTC Structure Type: ZnCd(SCN)4 and AHg(SCN)4 (A=Zn,Cd,Mn) as Nonlinear Optical Crystal Materials", 《CRYSL. RES. TECHNOL.》 *
韩克飞等: "K2MnSnTe4的溶剂热合成和反射光谱研究", 《北京化工大学学报》 *

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Application publication date: 20190104