CN107221832A - A kind of U-shaped cavity laser that can efficiently debug and its adjustment method - Google Patents
A kind of U-shaped cavity laser that can efficiently debug and its adjustment method Download PDFInfo
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- CN107221832A CN107221832A CN201710645668.5A CN201710645668A CN107221832A CN 107221832 A CN107221832 A CN 107221832A CN 201710645668 A CN201710645668 A CN 201710645668A CN 107221832 A CN107221832 A CN 107221832A
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- laser
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- mirror
- reference light
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/0813—Configuration of resonator
- H01S3/0815—Configuration of resonator having 3 reflectors, e.g. V-shaped resonators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The invention discloses a kind of U-shaped cavity laser that can efficiently debug and its adjustment method, laser debugging apparatus is constituted with 1064nm infrared lasers, PBS and quarter wave plate, light on the basis of 1064nm laser is adjusted, uses paired aperture regulation reference light to collimate；Paired aperture regulation reflected light path collimation is reused, regulation laser crystal makes its end face vertical with reference light；Regulation laser diode and optical coupling system make pump light be overlapped with reference light；Total reflective mirror is adjusted, reflected light of the reference light through PBS is overlapped with the reflected light through total reflective mirror；Outgoing mirror is adjusted, the reflected light of total reflective mirror is overlapped with the reflected light through outgoing mirror.The present invention makes pump light be overlapped with reference light using laser debugging apparatus, and the reference light reflected by total reflective mirror and outgoing mirror is overlapped, it is ensured that the faces parallel of whole resonator, can efficiently debug the U-shaped chamber of laser, and adjustment method is simple, accurate.
Description
Technical field
The present invention relates to Solid State Laser technological debugging field, more particularly to a kind of U-shaped cavity laser that can efficiently debug and
Its adjustment method.
Background technology
Resonator, working media and pumping source are three necessary conditions for producing laser, and laserresonator is mainly by complete
Anti- mirror, outgoing mirror and working media are constituted.The U-shaped chamber of laser inserts some speculums in intracavitary and turned back light path, makes chamber length increased
The volume of resonator can also be controlled simultaneously, laser inner space can be preferably utilized.And the optical element of U-shaped chamber intracavitary compared with
Many, optical element has deviation can then impact to the light path of resonator, have a strong impact on the parameter of laser output.It is existing to swash
Light debugging is comparatively laborious and difficulty is larger, and the debugging efficiency of whole laserresonator is extremely low.
The content of the invention
Goal of the invention：A kind of U-shaped cavity laser that can efficiently debug and its adjustment method that the present invention is provided, it is intended to solve
The problem of existing laser debugs big cumbersome, difficulty and low efficiency.
Technical scheme：A kind of U-shaped cavity laser that can efficiently debug, including it is laser crystal in resonator, resonator, humorous
Shake the symmetrically arranged pumping source in chamber two ends and optical coupling system, and resonator includes total reflective mirror and outgoing mirror, in addition to for sending out
Go out the laser debugging apparatus that reference light debugs resonator, it includes infrared laser, PBS and quarter wave plate；Resonator also includes two
Individual speculum, total reflective mirror, two speculums and outgoing mirror constitute U-shaped refrative cavity；The base that laser debugging apparatus is launched to resonator
Quasi-optical reflected mirror reflexes to after laser crystal that reflected mirror reflexes to total reflective mirror again；There is the aperture being arranged in pairs in resonator
Diaphragm, it is used to adjust the collimation of light path in resonator；The optically coupled system collimation of pump light that the pumping source is sent is poly-
Defocused process laser crystal center.
It is preferred that, the infrared laser is 1064nm infrared lasers.
It is preferred that, the speculum is 45 ° of speculums.
It is preferred that, the diameter of the aperture is adjustable in the range of 0.1mm-2mm, and hole centre-height and light path height
Unanimously.
It is preferred that, the pumping source is laser diode.
The present invention also provides a kind of debugging side of the U-shaped cavity laser that can efficiently debug as described in foregoing any one
Method, methods described comprises the following steps：
Step 1：Open and adjust laser debugging apparatus, by the infrared laser in laser debugging apparatus through PBS and 1/4 ripple
The infrared laser that piece is sent is set to reference light, and debugs reference light and launch to resonator；
Step 2：The collimation of resonance intracavity reflecting light path is adjusted by the paired aperture of resonator so that reference light is passed through
Speculum reflexes to after laser crystal that reflected mirror reflexes to total reflective mirror again；
Step 3：Regulation laser crystal makes its end face vertical with reference light；
Step 4：The pump light and optical coupling system that regulation pumping source is sent make pump light be overlapped with reference light；
Step 5：The total reflective mirror in resonator is adjusted, makes reflected light of the reference light through PBS and the reflected light weight through total reflective mirror
Close；
Step 6：The outgoing mirror in resonator is adjusted, the reflected light of total reflective mirror is overlapped with the reflected light through outgoing mirror, it is complete
Into debugging.
Beneficial effect：The present invention using infrared laser, PBS and quarter wave plate composition laser debugging apparatus, make pump light with
Reference light is overlapped, and overlaps the reference light by total reflective mirror and outgoing mirror reflection, it is ensured that the faces parallel of whole resonator,
The U-shaped chamber of laser can be efficiently debugged, adjustment method is simple, accurate.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Embodiment
Below in conjunction with accompanying drawing, the case study on implementation of the present invention is described in detail；
As shown in figure 1, the U-shaped cavity laser of the present invention that can efficiently debug, including resonator, laser debugging dress
Put, the laser crystal 9 in resonator, the symmetrically arranged pumping source 16 in resonator two ends；21 and optical coupling system 18；19, pump
Pu source 16；The optically coupled system 18 of 21 pump lights sent；By the center of laser crystal 9 after 19 collimation focusings.Pumping source 16；
21 be preferably laser diode.Pumping source 16；21 with optical coupling system 18；Pass through optical fiber 17 between 19；20 connections.
Resonator includes total reflective mirror 14, two speculums 7；11st, outgoing mirror 4, total reflective mirror 14, two speculums 7；11 and defeated
The U-shaped refrative cavity that appearance 4 is constituted；There is the aperture 5 being arranged in pairs in resonator；6；8；10；12；13, it is used to adjust
The collimation of light path in resonator；Aperture 5 is provided with specially between outgoing mirror 4 and speculum 7；6, speculum 7 is with reflecting
Aperture 8 is provided between mirror 11；10, aperture 12 is provided between speculum 11 and total reflective mirror 14；13.Speculum 7；
11 be preferably 45 ° of speculums, aperture 5；6；8；10；12；13 diameter is adjustable in the range of 0.1mm-2mm, and hole center
Height is highly consistent with light path.
The laser debugging apparatus of resonator is debugged for sending reference light, it includes infrared laser 1, PBS2 and 1/4 ripple
Piece 3；Infrared laser 1 is via PBS2 and quarter wave plate 3 to resonator emit the reference light, and the reflected mirror 7 of the reference light reflexes to sharp
Reflected mirror 11 reflexes to total reflective mirror 14 again after luminescent crystal 9.Infrared laser 1 is preferably 1064nm infrared lasers.
A kind of adjustment method of U-shaped cavity laser that can efficiently debug of the present invention, this method comprises the following steps：
Step 1：Open and adjust laser debugging apparatus, by the infrared laser 1 in laser debugging apparatus through PBS2 and 1/4
The infrared laser that wave plate 3 is sent is set to reference light, and debugs reference light and launch to resonator.
Step 2：Pass through the paired aperture 5 of resonator；6；8；10；12；The standard of 13 regulation resonance intracavity reflecting light paths
Directly so that the reflected mirror 7 of reference light reflexes to after laser crystal 9 that reflected mirror 11 reflexes to total reflective mirror 14 again.Use aperture light
Door screen 5；Speculum 7 in the collimation of 6 regulation infrared lasers 1 in the axial direction, regulation resonator light path, utilizes aperture
8；10, the light that speculum 7 reflects is passed through the center of two diaphragms, stationary mirror 7；Adjust the speculum in resonator light path
11, utilize aperture 12；13, the light that speculum 11 reflects is passed through the center of two diaphragms, stationary mirror 11.
Step 3：Regulation laser crystal 9 make its end face vertical with reference light, i.e., reference light vertically with the end face of laser crystal 9
The heart passes through.
Step 4：Adjust pumping source 16；21 pump lights sent and optical coupling system 18；19 make pump light and reference light
Overlap；
Step 5：The total reflective mirror 14 in resonator is adjusted, makes reflected light of the reference light through PBS2 and the reflection through total reflective mirror 14
Light is overlapped, and using CCD15 come calibration position；
Step 6：The outgoing mirror 4 in resonator is adjusted, makes the reflected light and the reflected light weight through outgoing mirror 4 of total reflective mirror 14
Close, and using CCD15 come calibration position, complete debugging.
Present invention 1064nm infrared lasers, PBS and quarter wave plate composition laser debugging apparatus, adjust 1064nm laser
On the basis of light, use paired aperture regulation reference light to collimate；Reuse paired aperture regulation reflected light path accurate
Directly, regulation laser crystal makes its end face vertical with reference light；Regulation laser diode and optical coupling system make pump light and base
It is quasi-optical to overlap；Total reflective mirror is adjusted, reflected light of the reference light through PBS is overlapped with the reflected light through total reflective mirror；Outgoing mirror is adjusted, is made
The reflected light of total reflective mirror is overlapped with the reflected light through outgoing mirror.The present invention makes pump light and reference light weight using laser debugging apparatus
Close, the reference light reflected by total reflective mirror and outgoing mirror is overlapped, it is ensured that the faces parallel of whole resonator, can be efficient
The U-shaped chamber of laser is debugged, adjustment method is simple, accurate.
Claims (6)
1. a kind of U-shaped cavity laser that can efficiently debug, including laser crystal (9) in resonator, resonator, resonator two ends
Symmetrically arranged pumping source (16；21) with optical coupling system (18；19), resonator includes total reflective mirror (14) and outgoing mirror (4),
Characterized in that, also include be used for send reference light debug resonator laser debugging apparatus, it include infrared laser (1),
PBS (2) and quarter wave plate (3)；Resonator also includes two speculums (7；11), total reflective mirror (14), two speculums (7；11) and
Outgoing mirror (4) constitutes U-shaped refrative cavity；The reflected mirror (7) of reference light that laser debugging apparatus is launched to resonator reflexes to laser
Reflected mirror (11) reflexes to total reflective mirror (14) again after crystal (9)；There is the aperture (5 being arranged in pairs in resonator；6；8；
10；12；13), it is used to adjust the collimation of light path in resonator；The pumping source (16；21) pump light sent is through optics coupling
Syzygy system (18；19) by laser crystal (9) center after collimation focusing.
2. the adjustment method of the U-shaped chamber of efficient laser according to claim 1, it is characterised in that the infrared laser (1)
For 1064nm infrared lasers.
3. the adjustment method of the U-shaped chamber of efficient laser according to claim 1, it is characterised in that the speculum (7；11)
For 45 ° of speculums.
4. the adjustment method of the U-shaped chamber of efficient laser according to claim 1, it is characterised in that the aperture (5；6；
8；10；12；13) diameter is adjustable in the range of 0.1mm-2mm, and hole centre-height and light path are highly consistent.
5. the adjustment method of the U-shaped chamber of efficient laser according to claim 1, it is characterised in that the pumping source (16；21)
For laser diode.
6. a kind of adjustment method of U-shaped cavity laser that can efficiently debug as described in claim 1 to 5 any one, it is special
Levy and be, methods described comprises the following steps：
Step 1：Open and adjust laser debugging apparatus, by the infrared laser (1) in laser debugging apparatus through PBS (2) and 1/4
The infrared laser that wave plate (3) is sent is set to reference light, and debugs reference light and launch to resonator；
Step 2：Pass through the paired aperture (5 of resonator；6；8；10；12；13) collimation of resonance intracavity reflecting light path is adjusted,
So that the reflected mirror of reference light (7) is reflexed to after laser crystal (9), reflected mirror (11) reflexes to total reflective mirror (14) again；
Step 3：Regulation laser crystal (9) makes its end face vertical with reference light；
Step 4：Adjust pumping source (16；21) pump light and optical coupling system (18 sent；19) pump light and reference light are made
Overlap；
Step 5：Adjust resonator in total reflective mirror (14), make reflected light of the reference light through PBS (2) with through the anti-of total reflective mirror (14)
Penetrate light coincidence；
Step 6：The outgoing mirror (4) in resonator is adjusted, makes the reflected light and the reflected light weight through outgoing mirror (4) of total reflective mirror (14)
Close, complete debugging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710645668.5A CN107221832A (en) | 2017-08-01 | 2017-08-01 | A kind of U-shaped cavity laser that can efficiently debug and its adjustment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710645668.5A CN107221832A (en) | 2017-08-01 | 2017-08-01 | A kind of U-shaped cavity laser that can efficiently debug and its adjustment method |
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| Publication Number | Publication Date |
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| CN107221832A true CN107221832A (en) | 2017-09-29 |
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| CN201710645668.5A Pending CN107221832A (en) | 2017-08-01 | 2017-08-01 | A kind of U-shaped cavity laser that can efficiently debug and its adjustment method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713556A (en) * | 2019-01-15 | 2019-05-03 | 西安中科洺光测控技术有限公司 | A kind of anhydrous cold side pump plate laser aid of high-power compact |
| CN112563865A (en) * | 2020-12-11 | 2021-03-26 | 哈尔滨工业大学 | Laser off-line debugging device and method |
| CN112925107A (en) * | 2021-01-27 | 2021-06-08 | 北京遥测技术研究所 | Device and method for indicating and calibrating laser of medium-far infrared outer tube shell |
| CN113644536A (en) * | 2021-07-08 | 2021-11-12 | 北京遥测技术研究所 | High-vibration-resistance kilohertz miniaturized laser |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593707A (en) * | 2012-02-09 | 2012-07-18 | 清华大学 | Solid laser oscillator capable of outputting laser distributed in circular ring-shaped |
| CN102916331A (en) * | 2012-11-05 | 2013-02-06 | 大恒新纪元科技股份有限公司 | Method for debugging folded laser resonant cavity |
| CN104184025A (en) * | 2013-05-23 | 2014-12-03 | 福州高意通讯有限公司 | Multi-pumping fiber laser structure |
| CN204885810U (en) * | 2015-08-12 | 2015-12-16 | 广州安特激光技术有限公司 | Four crystal U die cavity laser instruments of high power end pump |
| CN105281189A (en) * | 2015-11-26 | 2016-01-27 | 中国科学院上海光学精密机械研究所 | Wide temperature range laser based on hexagon plate strip structure |
| CN206180372U (en) * | 2016-11-29 | 2017-05-17 | 中国工程物理研究院激光聚变研究中心 | Multipass laser amplifier based on wavefront distortion correction |
| CN207165907U (en) * | 2017-08-01 | 2018-03-30 | 南京先进激光技术研究院 | A kind of U-shaped cavity laser that can efficiently debug |
-
2017
- 2017-08-01 CN CN201710645668.5A patent/CN107221832A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593707A (en) * | 2012-02-09 | 2012-07-18 | 清华大学 | Solid laser oscillator capable of outputting laser distributed in circular ring-shaped |
| CN102916331A (en) * | 2012-11-05 | 2013-02-06 | 大恒新纪元科技股份有限公司 | Method for debugging folded laser resonant cavity |
| CN104184025A (en) * | 2013-05-23 | 2014-12-03 | 福州高意通讯有限公司 | Multi-pumping fiber laser structure |
| CN204885810U (en) * | 2015-08-12 | 2015-12-16 | 广州安特激光技术有限公司 | Four crystal U die cavity laser instruments of high power end pump |
| CN105281189A (en) * | 2015-11-26 | 2016-01-27 | 中国科学院上海光学精密机械研究所 | Wide temperature range laser based on hexagon plate strip structure |
| CN206180372U (en) * | 2016-11-29 | 2017-05-17 | 中国工程物理研究院激光聚变研究中心 | Multipass laser amplifier based on wavefront distortion correction |
| CN207165907U (en) * | 2017-08-01 | 2018-03-30 | 南京先进激光技术研究院 | A kind of U-shaped cavity laser that can efficiently debug |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713556A (en) * | 2019-01-15 | 2019-05-03 | 西安中科洺光测控技术有限公司 | A kind of anhydrous cold side pump plate laser aid of high-power compact |
| CN112563865A (en) * | 2020-12-11 | 2021-03-26 | 哈尔滨工业大学 | Laser off-line debugging device and method |
| CN112925107A (en) * | 2021-01-27 | 2021-06-08 | 北京遥测技术研究所 | Device and method for indicating and calibrating laser of medium-far infrared outer tube shell |
| CN112925107B (en) * | 2021-01-27 | 2022-08-12 | 北京遥测技术研究所 | Device and method for indicating and calibrating laser of medium-far infrared outer tube shell |
| CN113644536A (en) * | 2021-07-08 | 2021-11-12 | 北京遥测技术研究所 | High-vibration-resistance kilohertz miniaturized laser |
| CN113644536B (en) * | 2021-07-08 | 2023-03-03 | 北京遥测技术研究所 | High-vibration-resistance kilohertz miniaturized laser |
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