CN102096268B - Nonlinear optical crystal rubidium borogermanate - Google Patents
Nonlinear optical crystal rubidium borogermanate Download PDFInfo
- Publication number
- CN102096268B CN102096268B CN200910112946.6A CN200910112946A CN102096268B CN 102096268 B CN102096268 B CN 102096268B CN 200910112946 A CN200910112946 A CN 200910112946A CN 102096268 B CN102096268 B CN 102096268B
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- Prior art keywords
- rubidium
- nonlinear optical
- borogermanate
- crystal
- boron
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Abstract
The invention relates to a nonlinear optical crystal rubidium borogermanate, and belongs to a nonlinear optical material and synthesis thereof. The crystal has a chemical formula RbGeB3O7 and the molecular weight of 302.51, belongs to an orthorhombic system, has a space group Pna21 and is prepared by a high-temperature solid phase method, and unit-cell parameters are that: a=9.352(5) Angstrom, b=9.457(5) Angstrom, c=6.962(4) Angstrom, alpha=90 degrees, beta=90 degrees, gamma=90 degrees, V=615.8(6) Angstrom3, and Z=4. The rubidium borogermanate (RbGeB3O7) has high nonlinear optical property, and the second harmonic generation (SHG) coefficient of rubidium borogermanate powder is 1.3 times that of potassium dihydrogen phosphate (KDP).
Description
Technical field
The invention belongs to nonlinear optical material and synthetic.
Background technology
Nonlinear optical crystal, has frequency-doubled effect (SHG), in laser frequency conversion, electrooptical modulation, light is sold off the high-tech areas such as information processing significant application value.Nonlinear optical material is in modern science and technology, particularly in some military and civilian high-tech areas, such as the communication of submarine deep water, blinding laser weapons, the ocean locating fish, video disc recording, color laser printing, laser projection tv, photometry calculation and optical-fibre communications etc., has a series of important application.The nonlinear optical crystal of practical application at present comprises LiB
3o
5(LBO), β-BaB
2o
4(BBO), KH
2pO
4(KDP), KTiOPO
4(KTP), LiNbO
3and BaTiO (LNO)
3(BTO) etc.What in general, design nonlinear optical material adopted has: containing the plane BO of π key conjugated system
3, easily there is the d that Jahn-Tellor distorts in group
0transition metal and the Se (IV) that contains active lone electron pair, Te (IV), IO
3 -group.Nearest research shows, if two kinds of above-mentioned reactive groups can be introduced to same compound, the stack of polarization by them, likely obtains the nonlinear optical material that performance is more superior, as Na
2teW
2o
9, BaTeM
2o
9(M=Mo
6+, W
6+), Se
2(B
2o
7) and BaNbO (IO
3)
6deng. up to now about the report of metal boron germanic acid compound seldom, but they easily form the structure of the various non-hearts, aspect nonlinear optical material and how empty material, are having broad application prospects.Most borogermanates is synthetic under hydrothermal condition, usually contains water or organic formwork agent in their structure, is unfavorable for actual application.We synthesize the novel non-linearity optical material that has obtained superior performance by high temperature solid-state.
Summary of the invention
The object of the invention is to prepare a kind of nonlinear optical crystal rubidium borogermanate.
Boron germanic acid rubidium (RbGeB
3o
7) molecular weight is 302.51, belongs to orthorhombic system, space group Pna2
1, cell parameter is a=9.352 (5)
b=9.457 (5)
c=6.962 (4)
alpha=90 °, beta=90 °, gamma=90 °, V=615.8 (6)
z=4.Its anion frame structure is by B
3o
7 5-group passes through GeO
4the tridimensional network that summit is connected and forms altogether.Rb
+ion is filled in along in the axial one-dimensional channels of a.In structure, also contain along the chirality duct of ten-ring and the hexatomic ring of c-axis direction.The coordination mode of boron and oxygen atom has BO
3and BO
4two kinds.A BO
4with two BO
3summit is connected to form the B of ring-type altogether
3o
7 5-bunch.Germanium forms GeO with four oxygen atom ligands
4tetrahedron.
Boron germanic acid rubidium (RbGeB
3o
7) by high temperature solid-state method, synthesize: by H
3bO
3, GeO
2with Rb
2cO
3grind, mix, put into platinum crucible, in muffle furnace, in 650 ℃ of reactions one week, can obtain white powder, productive rate can reach 100%.
Nonlinear optics measurement shows, boron germanic acid rubidium (RbGeB
3o
7) there is good non-linear optical property, the very strong 532nm green glow of output under 1064nm Ear Mucosa Treated by He Ne Laser Irradiation, its powder SHG coefficient is KDP 1.3 times, we have also been the phase matching figure of its powder, have proved that it can realize phase matching.Expection in laser frequency conversion, electrooptical modulation, light is sold off the high-tech areas such as information processing significant application value.This type of nonlinear optical material is in modern science and technology, particularly in some military and civilian high-tech areas, such as the communication of submarine deep water, blinding laser weapons, the ocean locating fish, video disc recording, color laser printing, laser projection tv, photometry calculation and optical-fibre communications etc., has a series of important application.
Embodiment
Example 1:H
3bO
3(0.1854g, 0.3mol), GeO
2(0.1046g, 0.1mol) and Rb
2cO
3(0.1155g, after 0.05mol) grinding evenly, put into platinum crucible compacting, be placed in muffle furnace stove, 300 ℃ were reacted 2 hours, then the temperature that raises, in 700 ℃ of reactions 7 days, with 0.6 ℃, be per hourly down to 450 ℃ again, finally with 2 ℃, be per hourly down to 250 ℃, take out rear adding distil water bubble 5 hours, after filtration, just can obtain water white bulk crystals.
Example 2:H
3bO
3(0.1854g, 0.3mol), GeO
2(0.1046g, 0.1mol) and Rb
2cO
3(0.1155g, 0.05mol) puts into platinum crucible compacting after grinding evenly, is placed in muffle furnace stove, and 300 ℃ of reactions 2 hours, then the temperature that raises in 650 ℃ of reactions 7 days, are more per hourly down to 250 ℃ with 5 ℃, can obtain productive rate and be 100% white powder.
Claims (3)
1. a nonlinear optical crystal rubidium borogermanate, is characterized in that: its chemical formula is RbGeB
3o
7, molecular weight is 302.51, belongs to orthorhombic system, space group Pna2
1, cell parameter is a=9.352 (5)
alpha=90 °, beta=90 °, gamma=90 °,
z=4.
2. a preparation method for the boron germanic acid rubidium of claim 1, adopts high temperature solid-state method preparation, it is characterized in that: adopt H
3bO
3, GeO
2with Rb
2cO
3for raw material, adopt the uncovered high temperature sintering of platinum crucible, temperature of reaction is 650 ℃.
3. a purposes for the boron germanic acid rubidium of claim 1, is characterized in that: this crystal is calculated or optical-fibre communications for the communication of submarine deep water, blinding laser weapons, the ocean locating fish, video disc recording, color laser printing, laser projection tv, photometry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910112946.6A CN102096268B (en) | 2009-12-11 | 2009-12-11 | Nonlinear optical crystal rubidium borogermanate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910112946.6A CN102096268B (en) | 2009-12-11 | 2009-12-11 | Nonlinear optical crystal rubidium borogermanate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102096268A CN102096268A (en) | 2011-06-15 |
| CN102096268B true CN102096268B (en) | 2014-09-17 |
Family
ID=44129417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910112946.6A Expired - Fee Related CN102096268B (en) | 2009-12-11 | 2009-12-11 | Nonlinear optical crystal rubidium borogermanate |
Country Status (1)
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|---|---|
| CN (1) | CN102096268B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1646613A (en) * | 2002-02-19 | 2005-07-27 | 光子－X有限公司 | Polymer nanocomposites for optical applications |
| CN101587280A (en) * | 2008-05-22 | 2009-11-25 | 中国科学院福建物质结构研究所 | Nonlinear optical crystal caesium borogermanate |
-
2009
- 2009-12-11 CN CN200910112946.6A patent/CN102096268B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1646613A (en) * | 2002-02-19 | 2005-07-27 | 光子－X有限公司 | Polymer nanocomposites for optical applications |
| CN101587280A (en) * | 2008-05-22 | 2009-11-25 | 中国科学院福建物质结构研究所 | Nonlinear optical crystal caesium borogermanate |
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| Publication number | Publication date |
|---|---|
| CN102096268A (en) | 2011-06-15 |
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Granted publication date: 20140917 Termination date: 20181211 |