CN102522684A - High-power single-frequency laser resonant cavity structure and control method for wavelength thereof - Google Patents
High-power single-frequency laser resonant cavity structure and control method for wavelength thereof Download PDFInfo
- Publication number
- CN102522684A CN102522684A CN2011103811692A CN201110381169A CN102522684A CN 102522684 A CN102522684 A CN 102522684A CN 2011103811692 A CN2011103811692 A CN 2011103811692A CN 201110381169 A CN201110381169 A CN 201110381169A CN 102522684 A CN102522684 A CN 102522684A
- Authority
- CN
- China
- Prior art keywords
- resonant cavity
- frequency laser
- branch road
- high power
- power single
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Lasers (AREA)
Abstract
The invention relates to the technical field of solid laser, in particular to a high-power single-frequency laser resonant cavity structure and a control method for wavelength thereof. The high-power single-frequency laser resonant cavity structure is characterized in that a resonant cavity is formed by two or more than two branch resonant cavities, the branch resonant cavities are connected in parallel through beam splitters, and 45-degree angles are formed between the beam splitters and the branch resonant cavities. The resonant cavity combines a torsional cavity technology which is used for removing a spatial hole-burning effect of solid laser gain medium with a parallel resonant cavity structure which is used for easily realizing a high-power output, and a high-power single-frequency laser output can be realized by adopting a method of connecting multiple branches in parallel.
Description
Technical field
The present invention relates to the Solid State Laser technical field, the control method of particularly a kind of high power single frequency laser cavity resonator structure and wavelength thereof.
Background technology
Single-frequency laser is widely used in fields such as coherence messages processing, gravitational wave measurement, laser radars.Existing at present several different methods can make laser realize single-frequency output, for example short distance absorption, micro-cavity structure, birefringence filter plate, etalon, individual event annular chamber, coupling cavity and rock chamber etc.But because the single frequency laser cavity loss is bigger, conversion efficiency is lower, is difficult to realize high power output, has limited its range of application.
Summary of the invention
The objective of the invention is to solve the difficulty that prior art exists, a kind of high power single frequency laser cavity resonator structure that can realize more powerful single-frequency laser output and the control method of wavelength thereof are provided.
The technical scheme that the present invention solves its technical problem employing is: a kind of high power single frequency laser cavity resonator structure; It is characterized in that: this resonant cavity is to be made up of two-way or the branch road resonant cavity more than the two-way; Each branch road resonant cavity is through the beam splitter parallel connection, and beam splitter becomes 45 with the branch road resonator axis.
Also comprise in described each branch road resonant cavity the high anti-chamber mirror of oscillation light wavelength and the outgoing mirror that laser output is provided.
Described chamber mirror is the spherical mirror that the certain curvature radius is arranged, and perhaps is level crossing.
A wave plate is placed at the gain media two ends of a branch road in described a plurality of parallel branch respectively, and the fast and slow axis of first wave plate and second wave plate is vertical each other, also is equipped with a polarization direction on this branch road and becomes 45 ° polarizer with the fast axle or the slow axis of wave plate.
A kind of wavelength control method of single frequency laser is characterized in that the chamber technology of rocking of eliminating solid state laser gain dielectric space hole burning effect is realized that with being prone to the parallel resonance cavity configuration of high power output combines, and adopts the multiple branch circuit parallel connection.
The invention has the beneficial effects as follows: the chamber technology of rocking that this resonant cavity will be eliminated solid state laser gain dielectric space hole burning effect realizes that with being prone to the parallel resonance cavity configuration of high power output combines; Adopt the method for multiple branch circuit parallel connection, realize high-power single-frequency laser output.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1, chamber mirror; 2, beam splitter; 3, outgoing mirror; 4, laser medium; 5, first wave plate; 6, second wave plate; 7, polarizer.
Embodiment
Below in conjunction with accompanying drawing a kind of high power single frequency laser cavity resonator structure of the present invention is elaborated.
Shown in accompanying drawing 1; In the cavity resonator structure of the present invention, the chamber technology of rocking that this resonant cavity will be eliminated solid state laser gain dielectric space hole burning effect realizes that with being prone to the parallel resonance cavity configuration of high power output combines, and adopts the method for multiple branch circuit parallel connection; Realize high-power single-frequency laser output; Be made up of two-way or the branch road resonant cavity more than the two-way, each branch road resonant cavity is as a whole through beam splitter 2 parallel connections, and beam splitter 2 becomes 45 with the branch road resonator axis; Certain splitting ratio is provided, also comprises in each branch road resonant cavity the high anti-chamber mirror 1 of oscillation light wavelength and the outgoing mirror 3 that laser output is provided.
Above-mentioned chamber mirror 1 perhaps is a level crossing for the spherical mirror of certain curvature radius is arranged; Outgoing mirror 3 proposes laser output for oscillation light there being the speculum of certain transmitance.
Rocking the chamber technology is through placing a wave plate respectively at the two ends of solid laser medium 4; The fast and slow axis of first wave plate 5 and second wave plate 6 is vertical each other, on this branch road, places a polarization direction and wave plate fast or slow axis again and becomes 45 ° polarizer 7 to eliminate effects of spatial.
On a parallel branch, adopt among the present invention and rock the vibration of chamber technology elimination effects of spatial realization single longitudinal mode; Because the mode competition effect in the resonant cavity; Be dominant in the mode competition of this longitudinal mode in whole resonant cavity, thereby the single-frequency laser of realizing whole laser is exported.
Claims (5)
1. high power single frequency laser cavity resonator structure, it is characterized in that: this resonant cavity is to be made up of two-way or the branch road resonant cavity more than the two-way, and each branch road resonant cavity is through beam splitter (2) parallel connection, and beam splitter (2) becomes 45 with the branch road resonator axis.
2. a kind of high power single frequency laser cavity resonator structure according to claim 1 is characterized in that: also comprise in described each branch road resonant cavity the high anti-chamber mirror (1) of oscillation light wavelength and the outgoing mirror (3) that laser output is provided.
3. a kind of high power single frequency laser cavity resonator structure according to claim 1 is characterized in that: described chamber mirror (1) perhaps is a level crossing for the spherical mirror of certain curvature radius is arranged.
4. a kind of high power single frequency laser cavity resonator structure according to claim 1; It is characterized in that: a wave plate is placed at gain media (4) two ends of a branch road in described a plurality of parallel branches respectively; First wave plate (5) is vertical each other with the fast and slow axis of second wave plate (6), also is equipped with a polarization direction on this branch road and becomes 45 ° polarizer (7) with the fast axle or the slow axis of wave plate.
5. the wavelength control method of a single frequency laser is characterized in that the chamber technology of rocking of eliminating solid state laser gain dielectric space hole burning effect is realized that with being prone to the parallel resonance cavity configuration of high power output combines, and adopts the multiple branch circuit parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103811692A CN102522684A (en) | 2011-11-26 | 2011-11-26 | High-power single-frequency laser resonant cavity structure and control method for wavelength thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103811692A CN102522684A (en) | 2011-11-26 | 2011-11-26 | High-power single-frequency laser resonant cavity structure and control method for wavelength thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102522684A true CN102522684A (en) | 2012-06-27 |
Family
ID=46293509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103811692A Pending CN102522684A (en) | 2011-11-26 | 2011-11-26 | High-power single-frequency laser resonant cavity structure and control method for wavelength thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102522684A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014205946A1 (en) * | 2013-06-25 | 2014-12-31 | 江苏中科四象激光科技有限公司 | Parallel beam combination method for achieving high-power output of all-solid-state lasers |
| CN113219683A (en) * | 2021-04-12 | 2021-08-06 | 华中科技大学 | Parallel laser beam splitting device based on single acousto-optic deflection and adjusting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855544A (en) * | 1966-10-28 | 1974-12-17 | Raytheon Co | Frequency selective output coupling for lasers |
| CN101257181A (en) * | 2008-03-28 | 2008-09-03 | 福州高意通讯有限公司 | Micro-slice type single vertical module laser of LD pump |
| CN101335424A (en) * | 2008-07-11 | 2008-12-31 | 华中科技大学 | Polarization coupled parallel Q modulating solid laser |
| CN101710666A (en) * | 2009-12-17 | 2010-05-19 | 吉林大学 | Semiconductor laser pump single longitudinal mould and frequency laser |
| CN202434880U (en) * | 2011-11-26 | 2012-09-12 | 连天虹 | High power single frequency laser resonator structure |
-
2011
- 2011-11-26 CN CN2011103811692A patent/CN102522684A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855544A (en) * | 1966-10-28 | 1974-12-17 | Raytheon Co | Frequency selective output coupling for lasers |
| CN101257181A (en) * | 2008-03-28 | 2008-09-03 | 福州高意通讯有限公司 | Micro-slice type single vertical module laser of LD pump |
| CN101335424A (en) * | 2008-07-11 | 2008-12-31 | 华中科技大学 | Polarization coupled parallel Q modulating solid laser |
| CN101710666A (en) * | 2009-12-17 | 2010-05-19 | 吉林大学 | Semiconductor laser pump single longitudinal mould and frequency laser |
| CN202434880U (en) * | 2011-11-26 | 2012-09-12 | 连天虹 | High power single frequency laser resonator structure |
Non-Patent Citations (1)
| Title |
|---|
| 黄菁华: "LD泵浦单纵模激光器及频率稳定性的实验研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014205946A1 (en) * | 2013-06-25 | 2014-12-31 | 江苏中科四象激光科技有限公司 | Parallel beam combination method for achieving high-power output of all-solid-state lasers |
| CN113219683A (en) * | 2021-04-12 | 2021-08-06 | 华中科技大学 | Parallel laser beam splitting device based on single acousto-optic deflection and adjusting method |
| CN113219683B (en) * | 2021-04-12 | 2023-06-02 | 华中科技大学 | Parallel laser beam splitting device based on single acousto-optic deflection and adjusting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US12015235B2 (en) | All-fiber optical vortex laser based on resonance of orbital angular momentum modes | |
| CN201946871U (en) | Switchable multi-wavelength fiber laser and device based on polarization-maintaining fiber grating | |
| CN103378539B (en) | A kind of annular chamber broadband random fiber laser | |
| CN108551075B (en) | All-fiber transverse mode switchable high-order mode Brillouin laser | |
| CN102195229B (en) | Novel orthogonal-polarization dual-wavelength laser | |
| CN106253039A (en) | Single longitudinal mode low noise arrowband based on Active Optical Fiber Ring Resonator post vector optical fiber laser | |
| CN101132103A (en) | Single longitudinal mode optical fiber laser based on Fabry-Perot resonant cavity | |
| CN111146674A (en) | Ultra-narrow linewidth single-frequency fiber laser based on double-ring resonant cavity | |
| CN106410576A (en) | Linear polarization output all-fiber pulse dual-cavity lasers | |
| CN103944040A (en) | Novel bicrystal tandem connection dual-wavelength laser | |
| CN110544869A (en) | Single longitudinal mode Brillouin fiber laser with orbital angular momentum mode direct resonance | |
| CN112803229A (en) | Ultrahigh repetition frequency femtosecond fiber laser system applied to material micromachining | |
| CN206524516U (en) | A kind of 8 word chamber locked mode post vector optical fiber lasers based on model selection coupler | |
| CN102522684A (en) | High-power single-frequency laser resonant cavity structure and control method for wavelength thereof | |
| CN105811231A (en) | Volume Bragg grating high-energy pisosecond laser | |
| CN102227043A (en) | Linearly polarized light fiber laser based on polarization maintaining fiber annular lens | |
| CN202434880U (en) | High power single frequency laser resonator structure | |
| CN106936064A (en) | A kind of single longitudinal mode pulse laser based on continuous light injection seeded | |
| CN103701020B (en) | Pulse-width-configurable Q-modulation pulse laser oscillator | |
| CN209298558U (en) | A kind of hectowatt grade high power full polarization fiber amplifier | |
| CN102185240A (en) | High-power low-noise single-frequency optical fiber laser | |
| CN108390243B (en) | High-order mode Brillouin fiber laser based on few-mode fiber | |
| CN107026383B (en) | Wavelength-tunable single-polarization single-frequency ring cavity fiber laser | |
| CN1279664C (en) | Tunable single longitudinal mode optical fiber laser for eliminating beat frequency noise | |
| CN108695679A (en) | A kind of changeable column vector beam actively Q-switched optical fiber laser of angular/radial polarisation based on fiber fuse mode converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120627 |