CN102044838A - Stimulated Raman sum frequency laser wavelength conversion device - Google Patents
Stimulated Raman sum frequency laser wavelength conversion device Download PDFInfo
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- CN102044838A CN102044838A CN 201010549492 CN201010549492A CN102044838A CN 102044838 A CN102044838 A CN 102044838A CN 201010549492 CN201010549492 CN 201010549492 CN 201010549492 A CN201010549492 A CN 201010549492A CN 102044838 A CN102044838 A CN 102044838A
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Abstract
The invention discloses a stimulated Raman sum frequency laser wavelength conversion device which comprises a Raman resonant cavity and a laser resonant cavity, wherein the Raman resonant cavity can generate a stimulated Raman frequency shift laser the first wavelength of which is lambda 1, and the laser resonant cavity can generate a laser level transition laser the second wavelength of which is lambda 2; and a nonlinear sum frequency crystal which can generate a sum frequency laser the third wavelength of which is lambda 3 is arranged at the common overlapping part of the stimulated Raman frequency shift laser beam the first wavelength of which is lambda 1 and the laser level transition laser beam the second wavelength of which is lambda 2. When the stimulated Raman frequency shift laser the wavelength of which is lambda 1 and the laser level transition laser the second wavelength of which is lambda 2 simultaneously pass through the nonlinear sum frequency crystal, the sum frequency laser the wavelength of which is lambda 3 is generated. The conversion device of the invention can effectively increase the quantity of available single spectral line laser wavelengths.
Description
Technical field
The present invention relates to a kind of optical maser wavelength conversion equipment, be specifically related to a kind of excited Raman and frequency laser Wavelength converter.
Background technology
Usually the output optical maser wavelength of solid state laser comes from the energy level transition of laser material, but the solid laser material of practical application is not a lot, therefore every kind of laser transition spectral line that solid laser material also has only minority to use can not satisfy ever-increasing demand by practical singlet wavelength.
Research and development along with nonlinear optics frequency convener technology and corresponding nonlinear optical crystal, by the nonlinear optics frequency convener technology can be the wavelength Conversion that comes from the laser crystal energy level transition new optical maser wavelength, and these technology are called nonlinear optics frequency multiplication and technology such as frequency, difference frequency and optical parameter conversion.In nonlinear optics and frequency technology, the most frequently used is that participation and two different wavelength of laser frequently all are the energy level transitions that comes from laser material, produce the fundamental frequency light of 1064nm and two different wave lengths of 1318nm as two sub resonant cavities of United States Patent (USP) technology No.5.345.457 respectively by the energy level transition of two laser crystals, these two basic frequency beams are the wavelength output that has produced 589nm with the frequency crystal by the public intersection of resonant cavity again.Similarly application number is arranged is 200410010917.6 mandate patent of invention to domestic technique, and this patented technology has proposed a kind of chamber in and the refrative cavity structure of frequency.Also has U.S. Patent No. by the patented technology that obtains new wavelength with the frequency technology: US20040125834A1, quasi-three-level transition acquisition by solid laser material in the fundamental frequency light of participation and two different wave lengths frequently in this patented technology, another four-level transition by solid laser material obtains.
The another kind of method of laser frequency conversion is the stimulated Raman scattering technology, and this technology is the frequency displacement that the stimulated Raman scattering by the Raman scattering medium causes, incident and be converted to the laser of new wavelength by the fundamental frequency light of Raman scattering medium.The laser of this new wavelength can continue to be converted to by the frequency doubling technology of nonlinear optics the laser of another wavelength again again.Chinese patent application the frequency doubling technology of this raman laser, application number is respectively 200810138022.9 and 200720029555.4 etc.
Summary of the invention
The objective of the invention is in conjunction with above background technology, proposed a kind of excited Raman and frequency laser Wavelength converter, further widen available singlet optical maser wavelength quantity.
In order to solve the problems of the technologies described above, realize above-mentioned purpose, the present invention is achieved through the following technical solutions:
A kind of excited Raman and frequency laser Wavelength converter comprise that a generation first wavelength is λ
1The Raman resonant cavity, of excited Raman frequency shift laser to produce second wavelength be λ
2The laserresonator of laser levels TRANSITION LASER, be λ at described first wavelength
1Excited Raman frequency shift laser beam and described second wavelength be λ
2The public lap of laser levels TRANSITION LASER light beam be provided with that to produce three-wavelength be λ
3With the non-linear of frequency laser and crystal frequently.
When described first wavelength is λ
1The excited Raman frequency shift laser and second wavelength be λ
2The laser levels TRANSITION LASER simultaneously by described non-linear and frequently during crystal 5, producing three-wavelength is λ
3And frequency laser.
Further, described Raman resonant cavity is included in first resonator mirror, first gain medium, stimulated Raman scattering medium and first output coupling mirror of settling successively on the light path; Described laserresonator is included in second resonator mirror, second gain medium, the first plane light combination mirror and second output coupling mirror of settling successively on another light path.
Further, the described first plane light combination mirror, non-linear and frequently crystal, first output coupling mirror and second output coupling mirror are arranged in order arrangement.
The operation principle of excited Raman of the present invention and frequency laser Wavelength converter is as follows:
When pump light pumping that first gain medium in the described Raman resonant cavity is sent by external light source, having produced transition wavelength is λ
0Laser, and propagate vibration in the Raman resonant cavity between described first resonator mirror and first output coupling mirror.Described wavelength is λ
0Laser beam during by described stimulated Raman scattering medium, because the stimulated Raman scattering effect makes wavelength X
0The laser frequency displacement to have produced first wavelength be λ
1The excited Raman frequency shift laser beam, and also propagate vibration in the Raman resonant cavity between described first resonator mirror and first output coupling mirror.
When pump light pumping that second gain media in the described laserresonator is produced by external light source, having produced second wavelength is λ
2Laser levels TRANSITION LASER light beam, and by propagating vibration in the laserresonator of the described first plane light combination mirror between described second resonator mirror and second output coupling mirror.
Because the described first plane light combination mirror is λ to described first wavelength
1Excited Raman frequency shift laser beam and wavelength be λ
2Laser levels TRANSITION LASER light beam have the light beam of closing effect, make these two light beams can conllinear or non-colinear but the overlapping described non-linear and crystal frequently that passes through is arranged.When first wavelength is λ
1The excited Raman frequency shift laser and second wavelength be λ
2The incident simultaneously of laser levels TRANSITION LASER and by described non-linear and frequently during crystal because nonlinear optics and interacting frequently, produced that to be different from first wavelength be λ
1With second wavelength be λ
2New three-wavelength be λ
3And frequency laser, and by the output of described first output coupling mirror and second output coupling mirror.
Wherein, described λ
1, λ
2And λ
3Should satisfy with frequency and concern 1/ λ
3=1/ λ
2+ 1/ λ
1Described non-linear with crystal need be by described λ frequently
1And λ
2Non-linear and frequently interact that to produce wavelength be λ
3Be complementary direction cutting of position, make described λ
2, λ
3And λ
1Described non-linear and satisfy the position relation that is complementary when frequently propagating in the crystal
Wherein,
With
All be vector, and be respectively that described wavelength is λ
1Excited Raman frequency shift laser, wavelength be λ
2Laser levels TRANSITION LASER and wavelength be λ
3With frequency laser in described non-linear and refractive index when frequently propagating in the crystal.
By above-mentioned The Application of Technology, excited Raman of the present invention and frequency laser Wavelength converter can effectively be widened available singlet optical maser wavelength quantity.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and embodiments.
Fig. 1 is the structural representation of excited Raman of the present invention and frequency laser Wavelength converter one embodiment.
Fig. 2 is the further improved structural representation of the embodiment that discloses among Fig. 1.
Fig. 3 is the structural representation of excited Raman of the present invention and another embodiment of frequency laser Wavelength converter
Number in the figure explanation: 1, first resonator mirror, 2, first gain medium, 3, the stimulated Raman scattering medium, 4, the first plane light combination mirror, 5, non-linear and frequency crystal, 6, first output coupling mirror, 7, second resonator mirror, 8, second gain medium, 9, second output coupling mirror, 10, self-stimulated Raman scattering medium, 11, first plane mirror, 12, second plane mirror.
Embodiment
Embodiment 1:
Referring to shown in Figure 1, a kind of excited Raman and frequency laser Wavelength converter comprise that a generation first wavelength is λ
1The Raman resonant cavity, of excited Raman frequency shift laser to produce second wavelength be λ
2The laserresonator of laser levels TRANSITION LASER, be λ at described first wavelength
1Excited Raman frequency shift laser beam and described second wavelength be λ
2The public lap of laser levels TRANSITION LASER light beam be provided with that to produce three-wavelength be λ
3With the non-linear of frequency laser and crystal 5 frequently.
Further, described Raman resonant cavity is included in first resonator mirror 1, first gain medium 2, stimulated Raman scattering medium 3 and first output coupling mirror of settling successively on the light path 6; Described laserresonator is included in second resonator mirror 7, second gain medium 8, the first plane light combination mirror 4 and second output coupling mirror of settling successively on another light path 9.
Further, the described first plane light combination mirror 4, non-linear and frequently crystal 5, first output coupling mirror 6 and second output coupling mirror 9 are arranged in order arrangement.
Preferably, in this implementation column, described first gain medium 2 and stimulated Raman scattering medium 3 are replaced by a self-stimulated Raman scattering medium 10, as shown in Figure 2.
Further, the surface of the close self-stimulated Raman scattering medium 10 of first resonator mirror 1 can be plane or concave surface, preparation is that the beam reflection rate of 1063nm and 1173nm is greater than 99.5% reflectance coating to wavelength, the light beam transmitance that to wavelength is 808nm is greater than 90% multilayer dielectric film, and the another side preparation is that the light beam transmitance of 808nm is greater than 99% anti-reflection film to wavelength.
Further, it is the laser crystal that is mixed with rare earth element of 1063nm transition spectral line that self-stimulated Raman scattering medium 10 adopts wavelength, as Nd:GdVO
4The dual wavelength light beam transmitance that laser crystal, two logical light face preparations have couple 1063nm and a 1173nm is greater than 99% anti-reflection film, and wherein, anti-reflection to the wavelength light beam of 808nm simultaneously near the anti-reflection film on first resonator mirror, 1 surface, transmitance is greater than 90%.
Further, second resonator mirror 7 near the surface preparation of second gain medium 8 have pair wavelength be the beam reflection rate of 1123nm greater than 99.5%, to wavelength be the light beam transmitance of 808nm and 1064nm respectively greater than 90% and 80% multilayer dielectric film, the another side preparation is that the light beam transmitance of 808nm is greater than 99% anti-reflection film to wavelength.
Further, it is the Nd:YAG laser crystal of 1123nm transition spectral line that second gain medium 8 adopts wavelength, two logical light face preparations of medium are to the light beam anti-reflection film of 1123nm wavelength, transmitance is greater than 99%, will be that the light beam of 808nm is anti-reflection to wavelength simultaneously near the anti-reflection film on second resonator mirror, 7 surfaces wherein, transmitance be greater than 90%.
Further, a face preparation of the first plane light combination mirror 4 is the light beam anti-reflection film of 1063nm and 1173nm to wavelength, and transmitance is greater than 99%; The preparation of another face is that the light beam transmitance of 1063nm and 1173nm is greater than 98% be that the beam reflection rate of 1123nm is greater than 99% multilayer dielectric film to wavelength to wavelength.
Further, non-linear and frequency crystal 5 adopts non-linear and frequency crystal such as LBO, BiBO, KTP or KTA, by the direction cutting that is complementary of 1173nm wavelength and 1123nm wavelength and the position that produces the 574nm wavelength frequently, it is 1063nm, 1123nm that two logical light faces of crystal all prepare wavelength, the light beam anti-reflection film of four wavelength such as 1173nm and 574nm.
Further, first output coupling mirror 6 close non-linear and the film system preparation on crystal 5 surface frequently require beam reflection rate to 1063nm and 1173nm wavelength greater than 99.5%, to the light beam transmitance of 1123nm wavelength greater than 99.5% and to the light beam transmitance of 574nm wavelength greater than 95%, the preparation of the film of another side system require to the light beam transmitance of 1123nm wavelength greater than 99.5% and to the light beam transmitance of 574nm wavelength greater than 98%.
Further, the film system preparation near the surface of first output coupling mirror 6 of second output coupling mirror 9 requires beam reflection rate to the 1123nm wavelength greater than 99.5%, greater than 95%, the preparation of the film of another side system requires light beam transmitance to the 574nm wavelength greater than 98% to the light beam transmitance of 574nm wavelength.
Nd:GdVO in the Raman resonant cavity
4During pump light pumping that laser crystal is sent by external light source, having produced wavelength is the laser transition of 1063nm, and propagates vibration between first resonator mirror 1 and first output coupling mirror 6.Wavelength is that the laser beam of 1063nm passes through Nd:GdVO
4During laser crystal,, also between first resonator mirror 1 and first output coupling mirror 6, propagate vibration because the stimulated Raman scattering effect makes the laser beam of 1063nm wavelength be converted to the laser that wavelength is 1173nm; Nd:YAG in the laserresonator is during by the light source pumping of outside, the laser transition that has produced the 1123nm wavelength, and between second resonator mirror 7 and second output coupling mirror 9, propagate vibration by the first plane light combination mirror 4 in the chamber; Because the light beam effect of closing of two light beams of 4 couples of wavelength 1173nm of the first plane light combination mirror and wavelength 1123nm, by regulate can make these two light beams can conllinear or non-colinear but overlap pass through non-linear and the frequency crystal 5.When these two light beams simultaneously by non-linear and frequently during crystal 5 because nonlinear optics and interacting frequently, having produced wavelength is the laser with new wavelength of 574nm, and by first output coupling mirror 6 and 9 outputs of second output coupling mirror.
Implementation column 2:
Referring to shown in Figure 3, a kind of excited Raman and frequency laser Wavelength converter comprise that a generation first wavelength is λ
1The Raman resonant cavity, of excited Raman frequency shift laser to produce second wavelength be λ
2The laserresonator of laser levels TRANSITION LASER, be λ at described first wavelength
1Excited Raman frequency shift laser beam and described second wavelength be λ
2The public lap of laser levels TRANSITION LASER light beam be provided with that to produce three-wavelength be λ
3With the non-linear of frequency laser and crystal 5 frequently.
Described Raman resonant cavity is included in first resonator mirror 1, first gain medium 2, stimulated Raman scattering medium 3 and first output coupling mirror of settling successively on the light path 6, is provided with first plane mirror 11 behind the described Raman resonant cavity; Described laserresonator is included in second resonator mirror 7, second gain medium 8 and second output coupling mirror of settling successively on another light path 9; Be provided with second plane mirror 12 behind the described laserresonator.
Further, described first plane mirror 11 is on the reflected light path of described second plane mirror 12, described non-linear and frequently crystal 5 be arranged on described first plane mirror 11 back.
The technical scheme of present embodiment is substantially with embodiment 1, and institute's difference is:
The first plane light combination mirror 4 changes first plane mirror 11 into, and has all moved on to outside the resonant cavity with non-linear and frequency crystal 5, and has increased by second plane mirror 12.
When pump light pumping that first gain medium 2 in the Raman resonant cavity is sent by external light source, having produced transition wavelength is λ
0Laser, and propagate vibration in the Raman resonant cavity between first resonator mirror 1 and first output coupling mirror 6.Wavelength is λ
0Laser beam when the stimulated Raman scattering medium 3 be λ because the stimulated Raman scattering effect makes wavelength
0The laser frequency displacement to have produced first wavelength be λ
1Excited Raman frequency shift laser, and output to outside the chamber, then by inciding non-linear after 11 transmissions of first plane mirror and frequently in the crystal 5 by first output coupling mirror 6.
When pump light pumping that second gain medium 8 in the laserresonator is produced by external light source, having produced second wavelength is λ
2The laser levels TRANSITION LASER, propagate vibration in the laserresonator between second resonator mirror 7 and second output coupling mirror 9, by outputing to outside the chamber of second output coupling mirror, 9 parts, and, incide non-linear and frequently in the crystal 5 by after second plane mirror 12 and the reflection of first plane mirror 11.When first wavelength is λ
1The excited Raman frequency shift laser and second wavelength be λ
2The incident simultaneously of laser levels TRANSITION LASER and by non-linear and frequently during crystal 5 because non-linear and interact frequently, produced that to be different from first wavelength be λ
1With second wavelength be λ
2New three-wavelength be λ
3And frequency laser.
The foregoing description just is to allow the one of ordinary skilled in the art can understand content of the present invention and enforcement according to this for technical conceive of the present invention and characteristics being described, its objective is, can not limit protection scope of the present invention with this.The variation or the modification of every equivalence that the essence of content has been done according to the present invention all should be encompassed in protection scope of the present invention.
Claims (8)
1. excited Raman and frequency laser Wavelength converter, comprising one, to produce first wavelength be λ
1The Raman resonant cavity, of excited Raman frequency shift laser to produce second wavelength be λ
2The laserresonator of laser levels TRANSITION LASER, it is characterized in that: at described first wavelength is λ
1Excited Raman frequency shift laser beam and described second wavelength be λ
2The public lap of laser levels TRANSITION LASER light beam be provided with that to produce three-wavelength be λ
3With the non-linear of frequency laser and crystal (5) frequently.
2. excited Raman according to claim 1 and frequency laser Wavelength converter is characterized in that: described Raman resonant cavity is included in first resonator mirror (1), first gain medium (2), stimulated Raman scattering medium (3) and first output coupling mirror of settling successively on the light path (6); Described laserresonator is included in second resonator mirror (7), second gain medium (8), the first plane light combination mirror (4) and second output coupling mirror of settling successively on another light path (9).
3. excited Raman according to claim 2 and frequency laser Wavelength converter is characterized in that: the described first plane light combination mirror (4), non-linear and frequently crystal (5), first output coupling mirror (6) and second output coupling mirror (9) are arranged in order arrangement.
4. excited Raman according to claim 1 and frequency laser Wavelength converter, it is characterized in that: described Raman resonant cavity is included in first resonator mirror (1), first gain medium (2), stimulated Raman scattering medium (3) and first output coupling mirror of settling successively on the light path (6), is provided with first plane mirror (11) behind the described Raman resonant cavity; Described laserresonator is included in second resonator mirror (7), second gain medium (8) and second output coupling mirror of settling successively on another light path (9); Be provided with second plane mirror (12) behind the described laserresonator.
5. excited Raman according to claim 4 and frequency laser Wavelength converter, it is characterized in that: described first plane mirror (11) is on the reflected light path of described second plane mirror (12), described non-linear and frequently crystal (5) be arranged on described first plane mirror (11) back.
6. according to any described excited Raman and frequency laser Wavelength converter in the claim 2 to 5, it is characterized in that: described non-linear and frequently crystal (5) for LBO, BiBO, KTP or KTA is non-linear and any one in the crystal frequently.
7. according to any described excited Raman and frequency laser Wavelength converter in the claim 2 to 5, it is characterized in that: described second gain medium (8) adopts the laser crystal that is mixed with rare earth element.
8. according to any described excited Raman and frequency laser Wavelength converter in the claim 1 to 5, it is characterized in that: when described first wavelength is λ
1The excited Raman frequency shift laser and second wavelength be λ
2The laser levels TRANSITION LASER simultaneously by described non-linear and frequently during crystal 5, producing three-wavelength is λ
3And frequency laser.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103585718A (en) * | 2013-11-04 | 2014-02-19 | 中国科学院苏州生物医学工程技术研究所 | All-solid-state folding intra-cavity sum frequency yellow orange laser vascular disease therapeutic apparatus |
| CN103872575A (en) * | 2012-12-10 | 2014-06-18 | 中国科学院大连化学物理研究所 | Confocal unsteady cavity gas Raman laser of YAG pump |
| CN105375328A (en) * | 2015-12-08 | 2016-03-02 | 中国石油大学(华东) | Laser device based on self-raman and OPO combination |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040125834A1 (en) * | 2001-06-15 | 2004-07-01 | Stefan Spierkermann | Optical frequency mixing |
| CN1731633A (en) * | 2004-08-13 | 2006-02-08 | 中国科学院长春光学精密机械与物理研究所 | All solid state Compound Cavity of a kind of semiconductor laser pumping and frequency laser |
| CN101299512A (en) * | 2008-06-30 | 2008-11-05 | 山东大学 | Self Raman multiple frequency complete-solid yellow light laser |
| CN201167207Y (en) * | 2008-02-28 | 2008-12-17 | 山东大学 | Arsenic acid titanium oxygen potassium crystal full-solid Raman laser |
-
2010
- 2010-11-18 CN CN 201010549492 patent/CN102044838A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040125834A1 (en) * | 2001-06-15 | 2004-07-01 | Stefan Spierkermann | Optical frequency mixing |
| CN1731633A (en) * | 2004-08-13 | 2006-02-08 | 中国科学院长春光学精密机械与物理研究所 | All solid state Compound Cavity of a kind of semiconductor laser pumping and frequency laser |
| CN201167207Y (en) * | 2008-02-28 | 2008-12-17 | 山东大学 | Arsenic acid titanium oxygen potassium crystal full-solid Raman laser |
| CN101299512A (en) * | 2008-06-30 | 2008-11-05 | 山东大学 | Self Raman multiple frequency complete-solid yellow light laser |
Non-Patent Citations (1)
| Title |
|---|
| 《激光与红外》 20090731 郝二娟,李特,张里荃,张岩,马艳梅,檀惠明 全固态黄光激光器的实现方法 全文 1-8 第39卷, 第7期 2 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872575A (en) * | 2012-12-10 | 2014-06-18 | 中国科学院大连化学物理研究所 | Confocal unsteady cavity gas Raman laser of YAG pump |
| CN103585718A (en) * | 2013-11-04 | 2014-02-19 | 中国科学院苏州生物医学工程技术研究所 | All-solid-state folding intra-cavity sum frequency yellow orange laser vascular disease therapeutic apparatus |
| CN103585718B (en) * | 2013-11-04 | 2016-09-14 | 中国科学院苏州生物医学工程技术研究所 | A kind of all solid state collapsible intracavity and frequency yellow orange laser intravascular disease therapeutic equipment |
| CN105375328A (en) * | 2015-12-08 | 2016-03-02 | 中国石油大学(华东) | Laser device based on self-raman and OPO combination |
| CN105375328B (en) * | 2015-12-08 | 2018-09-21 | 中国石油大学(华东) | It is a kind of based on the laser being combined from Raman with OPO |
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Application publication date: 20110504 |