CN102570259A - Self-adjusting resonator cavity and regenerative laser amplifier with same - Google Patents
Self-adjusting resonator cavity and regenerative laser amplifier with same Download PDFInfo
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- CN102570259A CN102570259A CN2011101034726A CN201110103472A CN102570259A CN 102570259 A CN102570259 A CN 102570259A CN 2011101034726 A CN2011101034726 A CN 2011101034726A CN 201110103472 A CN201110103472 A CN 201110103472A CN 102570259 A CN102570259 A CN 102570259A
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- 230000001172 regenerating effect Effects 0.000 title claims abstract description 16
- 239000013078 crystal Substances 0.000 claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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- 230000004447 accommodation reflex Effects 0.000 description 1
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Abstract
The invention relates to a self-adjusting resonator cavity and a regenerative laser amplifier with the resonator cavity. The self-adjusting resonator cavity comprises a first terminal resonator cavity mirror, at least two reflection cavity mirror, a gaining medium, a second terminal resonator cavity mirror, a signal light gaining medium and a signal light output mirror, wherein the signal light output mirror can be separately arranged between the first terminal resonator cavity mirror and the light path of the reflection cavity mirror close to the first terminal resonator cavity mirror in the resonator cavity; and the signal light gaining medium can be separately arranged between the signal light output mirror and the first terminal resonator cavity mirror. The regenerative laser amplifier comprises a first polarizing disc, a first wave plate, an electro-optical crystal, a reflector, a Faraday magneto optic isolator, a second wave plate, a second polarizing disc, a seed source and the resonator cavity. The resonator cavity can be self-adjusted without by virtue of an external helium-neon laser, overcomes the limit of use occasions and is convenient for use.
Description
Technical field
The present invention relates to laser technology field, particularly a kind of self-regulation resonant cavity and have the laser of this resonant cavity.
Background technology
Resonator is the necessary component of laser, and it generally includes: two end resonator mirrors that lay respectively at resonant cavity light path two ends, one are at the gain media between two end resonator mirror light paths and at least one reflecting cavity mirror between two end resonator mirror light paths.According to gain media residing position in resonant cavity, resonant cavity is divided into two types, the first kind is that gain media is arranged in the light path near one of them end resonator mirror, second type is arranged between two reflecting cavity mirror light paths for gain media.Adjusting to second type of resonant cavity in the prior art all need be regulated by the helium neon laser of outside usually; In the inadequate outfield of some conditions; Be difficult to obtain helium neon laser,, make resonant cavity regulate the restriction that receives a lot of use occasions so can not regulate at any time.
Summary of the invention
First technical problem that the present invention will solve provides a kind of self-regulating resonant cavity, and it need not can adjust quickly and accurately by external laser the position of each chamber mirror in the resonant cavity, has avoided the restriction of use occasion, has improved ease of use.
Second technical problem that the present invention will solve provides a kind of regenerative laser amplifier, and it need not can adjust each the mirror position, chamber in the regenerative laser amplifier quickly and accurately by external laser, has avoided the restriction of use occasion, has improved ease of use.
For solving above-mentioned first technical problem; The present invention provides a kind of self-regulation resonant cavity; Comprise: one first end resonator mirror, at least two reflecting cavity mirrors, a gain media and one second end resonator mirror; Said first end resonator mirror and the said second end resonator mirror are separately positioned on the light path two ends of resonant cavity; Said two reflecting cavity mirrors all are arranged between said first end resonator mirror and the said second end resonator mirror and along light path and arrange successively, and said gain media is arranged between two reflecting cavity mirror light paths.This resonant cavity also comprises: a flashlight gain media and has the flashlight outgoing mirror of part light transmission rate; Said flashlight outgoing mirror is arranged between interior first end resonator mirror of resonant cavity and the reflecting cavity mirror light path near the first end resonator mirror separably; Said flashlight gain media is arranged between said flashlight outgoing mirror and the said first end resonator mirror separably, and said flashlight outgoing mirror, said flashlight gain media and the said first end resonator mirror are positioned on the same optical axis.
Said self-regulation resonant cavity further comprises a linkage, said flashlight outgoing mirror and said flashlight gain media shift-in or shift out said resonant cavity under the effect of said linkage.
Further; In the time of in said flashlight outgoing mirror and the said resonant cavity of said flashlight gain media shift-in; Itself and the said first end resonator mirror form the reference light resonant cavity; Outside pump light gets into said reference light resonant cavity through the said first end resonator mirror and produces vibration, by said flashlight outgoing mirror output reference laser to said reflecting cavity mirror.
Further, said flashlight gain media is laser crystal or pottery.
Further, said reflecting cavity mirror is a plurality of, and the light path that a plurality of reflecting cavity mirror forms is repeatedly turned back light warp in resonant cavity.
Further, said reflecting cavity mirror is plane reflection eyeglass or concave reflection eyeglass.
For solving above-mentioned second technical problem; The present invention provides a kind of regenerative laser amplifier; Comprise: one first polarizer, first wave plate, an electrooptic crystal, a speculum, a Faraday Magneto-optical Isolator, second wave plate, second polarizer and a seed source; Said first wave plate and said speculum are separately positioned on the both sides of said first polarizer; Said electrooptic crystal is arranged on the side away from said first polarizer of said first wave plate; Said Faraday Magneto-optical Isolator is arranged on the side away from said first polarizer of said speculum; Said second wave plate is arranged on the side away from said speculum of said Faraday Magneto-optical Isolator, and said second polarizer is arranged on the side away from said Faraday Magneto-optical Isolator of said second wave plate, and said seed source is arranged on the side away from said second wave plate of said second polarizer.Said regenerative laser amplifier also comprises above-mentioned resonant cavity, and said first polarizer, said first wave plate and said electrooptic crystal all are arranged in the said resonant cavity and at the said second end resonator mirror and between the reflecting cavity mirror near the said second end resonator mirror.
Further, said first wave plate is a quarter wave plate.
Further, said second wave plate is a quarter wave plate.
Further, said electrooptic crystal is the BBO electrooptic crystal.
Useful technique effect of the present invention is:
Removably be provided with a flashlight gain media and a flashlight outgoing mirror in the resonant cavity of the present invention; This flashlight gain media and flashlight outgoing mirror are put into resonant cavity when resonant cavity need be regulated; End resonator mirror in resonant cavity is formed a reference light resonant cavity; This reference light resonant cavity is exported a reference laser under the effect of pump light, utilize this reference laser to regulate the chamber mirror, makes that resonant cavity need not can realize himself regulating by the helium neon laser of outside; Thereby avoided the restriction of use occasion, improved ease of use.
Description of drawings
Fig. 1 is the structural representation (filled arrows and hollow arrow are represented direction past, that return light respectively among the figure) of the adjustment state of resonant cavity of the present invention;
Fig. 2 is applied in the structural representation (filled arrows and hollow arrow are represented direction past, that return light respectively among the figure) on the end pumping Nd:GdVO4 regenerative laser amplifier for resonant cavity shown in Figure 1.
Embodiment
Consult Fig. 1, this self-regulation resonant cavity comprises: one first end resonator mirror 11, gain media 12, at least two reflecting cavity mirrors, flashlight outgoing mirror 21, a flashlight gain media 22 and one second an end resonator mirror 16.The first end resonator mirror 11 and the second end resonator mirror 16 are separately positioned on the light path two ends of resonant cavity.Reflecting cavity mirror can be plane total reflection eyeglass; In the present embodiment, reflecting cavity mirror is three, is respectively first reflecting cavity mirror 13, second reflecting cavity mirror 14 and the 3rd reflecting cavity mirror 15; It is arranged between the first end resonator mirror 11 and the second end resonator mirror 16 and along light path and arranges successively; And these three reflecting cavity mirrors are not on same optical axis, and the light path of its formation is repeatedly turned back light warp in resonant cavity, wherein; Said first reflecting cavity mirror 13 is set up in parallel the side at said gain media 12 with said the 3rd reflecting cavity mirror 15; Said second reflecting cavity mirror 14 is arranged on the opposite side of said gain media 12, so that the structure of resonant cavity is compact more, and then shortens the length of resonant cavity.Gain media 12 is arranged between reflecting cavity mirror 13 and the speculum 14.
Said flashlight outgoing mirror 21 is installed in the resonant cavity light path and at the first end resonator mirror 11 and between first reflecting cavity mirror, 13 light paths near the first end resonator mirror 11; Said flashlight gain media 22 is installed between said flashlight outgoing mirror 21 and the said first end resonator mirror 11, and flashlight outgoing mirror 21, flashlight gain media 22 and the first end resonator mirror 11 are positioned on the same optical axis.Flashlight outgoing mirror 21 all adopts separable mode to be connected with flashlight gain media 22 and resonant cavity.Said self-regulation resonant cavity also comprises a linkage (figure do not show), flashlight outgoing mirror 21 and flashlight gain media 22 shift-in or shift out resonant cavity under the effect of said linkage.
This resonant cavity as input mirror, makes the first end resonator mirror 11 constitute a reference light resonant cavity (not indicating) with flashlight gain media 22, flashlight outgoing mirror 21 with the first end resonator mirror 11 when regulating; Outside pump light 3 gets into the reference light resonant cavity through the first end resonator mirror 11 and produces vibration; By a branch of reference laser of flashlight outgoing mirror 21 output, regulate the position of first reflecting cavity mirror 13, second reflecting cavity mirror 14, the 3rd reflecting cavity mirror 15 with this reference laser successively as collimated light, comprise position, the left and right sides and luffing angle; Consistent to guarantee flashlight through the height behind the optical element; By that analogy, finish, flashlight can be returned on former road until the adjustment of the position of the second end resonator mirror 16; Remove the flashlight outgoing mirror 21 and flashlight gain media 22 that add in the light path this moment, promptly accomplish the adjusting of resonant cavity.
Consult Fig. 2, this end pumping Nd:GdVO4 regenerative laser amplifier comprises: first polarizer 101, first wave plate 102, electrooptic crystal 103, speculum 104, Faraday Magneto-optical Isolator 105, second wave plate 106, second polarizer 107, seed source 108 and above-mentioned resonant cavity.Wherein, first wave plate 102 is preferably quarter wave plate, and second wave plate 106 also is preferably quarter wave plate, electrooptic crystal 103 preferred BBO electrooptic crystals.First wave plate 102 and speculum 104 are separately positioned on the light path both sides of first polarizer 101; Electrooptic crystal 103 is arranged on light path one side away from first polarizer 101 of first wave plate 102; Faraday Magneto-optical Isolator 105 is arranged on light path one side away from first polarizer 101 of speculum 104; Second wave plate 106 is arranged on light path one side away from speculum 104 of Faraday Magneto-optical Isolator 105; Second polarizer 107 is arranged on light path one side away from Faraday Magneto-optical Isolator 105 of second wave plate 106; Seed source 108 is arranged on light path one side away from second wave plate 106 of second polarizer 107, and first polarizer 101, first wave plate 102 and electrooptic crystal 103 all are arranged in the light path of resonant cavity and at the second end resonator mirror 16 and between reflecting cavity mirror 15 light paths near the second end resonator mirror 16.
This end pumping Nd:GdVO4 regenerative laser amplifier control method following: flashlight gain media 22 is installed in the resonant cavity and at the first end resonator mirror 11 and between the reflecting cavity mirror 13 near the first end resonator mirror 11, flashlight outgoing mirror 21 is installed in the side away from the first end resonator mirror 11 of flashlight gain media 22.End resonator mirror 11, flashlight gain media 22 and flashlight outgoing mirror 21 are positioned on the same optical axis; The three constitutes a reference light resonant cavity; This reference light resonant cavity is exported a reference laser under the effect of pump light 3; Outside pump light 3 gets into the reference light resonant cavitys through the first end resonator mirror 11 and produces vibration, by a branch of reference laser of flashlight outgoing mirror 21 outputs, and accommodation reflex chamber mirror 13, gain media 12, reflecting cavity mirror 14, reflecting cavity mirror 15, first polarizer 101, first wave plate 102, electrooptic crystal 103 successively; Make the above optical element of its vertical incidence; Regulate the second end resonator mirror 16 and make the reflection light point and the incident spots coincide of first polarizer, 101 place's flashlights, rotate first wave plate 102, can obtain laser output in the transmission direction of first polarizer 101; The laser of first polarizer, 101 outputs is after speculum 104 reflections; Get into Faraday Magneto-optical Isolator 105, second wave plate 106 and second polarizer 107, overlap the picosecond laser that then can obtain to regenerate output with the seed light adjustment that seed source 108 sends then.At last, remove the flashlight outgoing mirror 21 and flashlight gain media 22 that add in the light path, promptly accomplish the adjusting of laser.
The above is merely preferable possible embodiments of the present invention, and unrestricted protection scope of the present invention, and the equivalent structure that all utilizations specification of the present invention and accompanying drawing content have been done changes, and all is included in protection scope of the present invention.
Claims (10)
1. self-regulation resonant cavity; Comprise: one first end resonator mirror, at least two reflecting cavity mirrors, a gain media and one second end resonator mirror; Said first end resonator mirror and the said second end resonator mirror are separately positioned on the light path two ends of resonant cavity; Said two reflecting cavity mirrors all are arranged between said first end resonator mirror and the said second end resonator mirror and along light path and arrange successively; Said gain media is arranged between two reflecting cavity mirror light paths; It is characterized in that; This resonant cavity also comprises: a flashlight gain media and the flashlight outgoing mirror with part light transmission rate; Said flashlight outgoing mirror is arranged between interior first end resonator mirror of resonant cavity and the reflecting cavity mirror light path near the first end resonator mirror separably, and said flashlight gain media is arranged between said flashlight outgoing mirror and the said first end resonator mirror separably, and said flashlight outgoing mirror, said flashlight gain media and the said first end resonator mirror are positioned on the same optical axis.
2. self-regulation resonant cavity as claimed in claim 1; It is characterized in that; Said self-regulation resonant cavity further comprises a linkage, said flashlight outgoing mirror and said flashlight gain media shift-in or shift out said resonant cavity under the effect of said linkage.
3. self-regulation resonant cavity as claimed in claim 1; It is characterized in that; In the time of in said flashlight outgoing mirror and the said resonant cavity of said flashlight gain media shift-in; Itself and the said first end resonator mirror form the reference light resonant cavity, and outside pump light gets into said reference light resonant cavity through the said first end resonator mirror and produces vibration, by said flashlight outgoing mirror output reference laser to said reflecting cavity mirror.
4. self-regulation resonant cavity as claimed in claim 1 is characterized in that, said flashlight gain media is laser crystal or pottery.
5. self-regulation resonant cavity as claimed in claim 1 is characterized in that, said reflecting cavity mirror is a plurality of, and the light path that a plurality of reflecting cavity mirror forms is repeatedly turned back light warp in resonant cavity.
6. self-regulation resonant cavity as claimed in claim 1 is characterized in that, said reflecting cavity mirror is plane reflection eyeglass or concave reflection eyeglass.
7. regenerative laser amplifier; Comprise: one first polarizer, first wave plate, an electrooptic crystal, a speculum, a Faraday Magneto-optical Isolator, second wave plate, second polarizer and a seed source; Said first wave plate and said speculum are separately positioned on the both sides of said first polarizer; Said electrooptic crystal is arranged on the side away from said first polarizer of said first wave plate; Said Faraday Magneto-optical Isolator is arranged on the side away from said first polarizer of said speculum; Said second wave plate is arranged on the side away from said speculum of said Faraday Magneto-optical Isolator; Said second polarizer is arranged on the side away from said Faraday Magneto-optical Isolator of said second wave plate; Said seed source is arranged on the side away from said second wave plate of said second polarizer; It is characterized in that said regenerative laser amplifier also comprises like any described resonant cavity among the claim 1-4, and said first polarizer, said first wave plate and said electrooptic crystal are arranged on all in the said resonant cavity and at the said second end resonator mirror and between the reflecting cavity mirror near the said second end resonator mirror.
8. regenerative laser amplifier as claimed in claim 7 is characterized in that, said first wave plate is a quarter wave plate.
9. regenerative laser amplifier as claimed in claim 7 is characterized in that, said second wave plate is a quarter wave plate.
10. regenerative laser amplifier as claimed in claim 7 is characterized in that, said electrooptic crystal is the BBO electrooptic crystal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110103472 CN102570259B (en) | 2011-02-25 | 2011-04-25 | Self-adjusting resonator cavity and regenerative laser amplifier with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110045866.0 | 2011-02-25 | ||
| CN201110045866 | 2011-02-25 | ||
| CN 201110103472 CN102570259B (en) | 2011-02-25 | 2011-04-25 | Self-adjusting resonator cavity and regenerative laser amplifier with same |
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| Publication Number | Publication Date |
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| CN102570259A true CN102570259A (en) | 2012-07-11 |
| CN102570259B CN102570259B (en) | 2013-10-09 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5848090A (en) * | 1995-07-21 | 1998-12-08 | Hewlett-Packard Company | Adjusted laser cavity resonator and method for preparing a laser resonator |
| CN101098065A (en) * | 2007-07-06 | 2008-01-02 | 中国人民解放军国防科学技术大学 | Unstable resonator automatic cavity-adjusting system and method using self-collimation feedback light path |
-
2011
- 2011-04-25 CN CN 201110103472 patent/CN102570259B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5848090A (en) * | 1995-07-21 | 1998-12-08 | Hewlett-Packard Company | Adjusted laser cavity resonator and method for preparing a laser resonator |
| CN101098065A (en) * | 2007-07-06 | 2008-01-02 | 中国人民解放军国防科学技术大学 | Unstable resonator automatic cavity-adjusting system and method using self-collimation feedback light path |
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| CN102570259B (en) | 2013-10-09 |
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Denomination of invention: Self-adjusting resonator cavity and regenerative laser amplifier with same Effective date of registration: 20180119 Granted publication date: 20131009 Pledgee: China Co truction Bank Corp Beijing Zhongguancun branch Pledgor: Beijing GK Laser Technology Co., Ltd. Registration number: 2018990000064 |
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Date of cancellation: 20180130 Granted publication date: 20131009 Pledgee: China Co truction Bank Corp Beijing Zhongguancun branch Pledgor: Beijing GK Laser Technology Co., Ltd. Registration number: 2018990000064 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Self-adjusting resonator cavity and regenerative laser amplifier with same Effective date of registration: 20180130 Granted publication date: 20131009 Pledgee: China Co truction Bank Corp Beijing Zhongguancun branch Pledgor: Beijing GK Laser Technology Co., Ltd. Registration number: 2018990000091 |
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Granted publication date: 20131009 Termination date: 20200425 |
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| CF01 | Termination of patent right due to non-payment of annual fee |