CN207250923U - A kind of cold thin-sheet laser structure of liquid - Google Patents
A kind of cold thin-sheet laser structure of liquid Download PDFInfo
- Publication number
- CN207250923U CN207250923U CN201720980432.2U CN201720980432U CN207250923U CN 207250923 U CN207250923 U CN 207250923U CN 201720980432 U CN201720980432 U CN 201720980432U CN 207250923 U CN207250923 U CN 207250923U
- Authority
- CN
- China
- Prior art keywords
- crystal
- stainless steel
- gain module
- mirror
- steel frame
- 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.)
- Active
Links
Landscapes
- Lasers (AREA)
Abstract
A kind of cold thin-sheet laser structure of liquid, including pumping system, gain module resonant cavity, gain module is by stainless steel frame, crystal microchip and quartz window composition, crystal microchip is fixed by stainless steel frame, quartz window is fixed on crystal microchip both sides by stainless steel frame, the runner of coolant is formed between stainless steel frame, flow passage entry sets homogenizer, resonator is the steady chamber of plano-concave, by concave mirror, output coupling mirror and two pieces of dichroic mirrors are formed, two dichroic mirrors are symmetrical with gain module, dichroic mirror and quartz window are in 45° angle, concave mirror and output coupling mirror are horizontally disposed with close to gain module both sides, pumping system is using gain module resonant cavity to be symmetrical at left and right sides of symmetry axis.Waveguide is added in the utility model, realizes the homogenizing of pump light, improves coupling efficiency, crystal microchip is realized the soft clamping of crystal by the way of stainless steel frame installation, greatly promotes the maximum heat load that crystal can bear.
Description
Technical field
It the utility model is related to field of laser device technology, more particularly to a kind of cold thin-sheet laser structure of liquid.
Background technology
Solid state laser is mainly made of LD pumping sources, solid laser medium resonant cavity three parts, wherein resonator
Main function is to provide the model selection of laser and maintains the concussion amplification of laser, refractive index shadow of the temperature change to coolant
Sound is larger, and serious influence is might have on the wavefront for exporting laser, and whens LD pumpings can produce largely in solid laser medium
Heat, cause temperature distributing disproportionation even, cause the fuel factor problem of complexity, solid laser medium is gain media again, gain Jie
Matter and coolant collectively constitute gain module, become the core component of laser, several pieces solid laser mediums are immersed in liquid
In coolant, solid liquid interface is often up to dozens of, and small interface loss, will bring huge insertion loss to resonator, passes
The high transmittance film layer of system both for designed by air dielectric, but high transmittance film layer liquid constantly flow wash away it is lower easily de-
Fall.
The content of the invention
The utility model is to solve the above problems, provide a kind of laser knot of the cold more thin slice concatenation gain modules of liquid
Structure.
Technical solution adopted in the utility model：
A kind of cold thin-sheet laser structure of liquid, including pumping system, gain module resonant cavity, gain module is by stainless steel
Frame, 10 crystal microchips and 2 quartz window compositions, 10 crystal microchips are fixed by 10 stainless steel frames, quartz window
Crystal microchip both sides are fixed on by stainless steel frame, the runner of 11 coolants is formed between 12 stainless steel frames, runner enters
Homogenizer is set at mouthful, and resonator is the steady chamber of plano-concave, is made of concave mirror, output coupling mirror and two pieces of dichroic mirrors, two pairs
Look mirror is symmetrical with gain module, and dichroic mirror and quartz window are in 45° angle, concave mirror and output coupling mirror close to gain
Module both sides are horizontally disposed with, and pumping system is using gain module resonant cavity to be symmetrical at left and right sides of symmetry axis, respectively successively
Including LD array pumpings source, cylindrical lens, rectangular metal waveguide and imaging system, imaging system and dichroic mirror close to.
The crystal microchip is the Nd of different levels of doping：Thin slice of the YLF crystal as gain media.
The quartz window side opposite with crystal microchip is coated with to 0.805 μm of pump light and 1.047 μm of laser
High transmittance film.
The beneficial effects of the utility model：Waveguide is added in the utility model, realizes the homogenizing of pump light, improves coupling
Efficiency, crystal microchip are realized the soft clamping of crystal by the way of stainless steel frame installation, greatly promote crystal and can bear
Maximum heat load.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Wherein：1- pumping sources；2- cylindrical lens；3- rectangular metal waveguides；4- imaging systems；5- dichroic mirrors；6- is all-trans concave surface
Mirror；7- gain modules；8- output coupling mirrors；7.1- homogenizer；7.2- quartz window；7.3- crystal microchip；The stainless steel frameworks of 7.4-
Frame；7.5- runner exit；7.6- runner.
Embodiment
A kind of cold thin-sheet laser structure of liquid, including pumping system, 7 resonant cavity of gain module, gain module 7 is by stainless
7.4,10 crystal microchips 7.3 of steel frame and 2 quartz windows 7.2 form, and 10 crystal microchips 7.3 are by 10 stainless steel frames
7.4 fix, and quartz window 7.2 is fixed on 7.3 both sides of crystal microchip by stainless steel frame 7.4, between 12 stainless steel frames 7.4
The runner 7.6 of 11 coolants is formed, 7.6 inlet of runner sets homogenizer 7.1, and resonator is the steady chamber of plano-concave, complete by concave surface
Anti- mirror 6, output coupling mirror 8 and two pieces of dichroic mirrors 5 are formed, and two dichroic mirrors 5 are symmetrical with gain module, dichroic mirror 5 and quartz
Window 7.2 is in that 45° angle, concave mirror 6 and output coupling mirror 8 are horizontally disposed with close to 7 both sides of gain module, and pumping system is to increase
Beneficial 7 resonant cavity of module is symmetrical at left and right sides of symmetry axis, includes LD array pumpings source 1, cylindrical lens 2, square successively respectively
Shape metal waveguide 3 and imaging system 4, imaging system 4 and dichroic mirror 5 close to.
The crystal microchip 7.3 is the Nd of different levels of doping：Thin slice of the YLF crystal as gain media.
The quartz window 7.2 side opposite with crystal microchip 7.3 is coated with to 0.805 μm of pump light and 1.047 μm
The high transmittance film of laser.
Selection and Nd：The coolant that YLF crystal refractive indexs match, coolant flow into gain module 7 from 7.6 entrance of runner
Plane of crystal is cooled down, is then flowed out from runner exit 7.5, liquid can inlet temperature by external circulating system
Keeping constant, homogenizer 7.1 is oriented to and splits the Maelstrom in fluid, accelerates whirlpool decay, while to the rubbing action of fluid
Be conducive to the VELOCITY DISTRIBUTION of fluid, reduce the turbulivity of fluid to a certain extent, the rectangular metal waveguide 3 of the left and right sides, is used for
The pump light that homogenizing semiconductor array is sent, then by imaging system 4, uniform light beam is imaged onto in gain module 7 real
Existing conforming face pumping.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment, it is impossible to be construed as limiting the scope of the utility model.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all still belong within the patent covering scope of the utility model.
Claims (3)
1. a kind of cold thin-sheet laser structure of liquid, it is characterised in that including pumping system, gain module (7) resonant cavity, gain
Module (7) is made of stainless steel frame (7.4), 10 crystal microchips (7.3) and 2 quartz windows (7.2), 10 crystal microchips
(7.3) fixed by 10 stainless steel frames (7.4), quartz window (7.2) is fixed on crystal microchip by stainless steel frame (7.4)
(7.3) both sides, form the runner (7.6) of 11 coolants between 12 stainless steel frames (7.4), and runner (7.6) inlet is set
Homogenizer (7.1), resonator are the steady chamber of plano-concave, by concave mirror (6), output coupling mirror (8) and two pieces of dichroic mirror (5) structures
Into two dichroic mirrors (5) are symmetrical with gain module, and dichroic mirror (5) and quartz window (7.2) are in 45° angle, concave mirror
(6) be horizontally disposed with output coupling mirror (8) close to gain module (7) both sides, pumping system using gain module (7) resonant cavity as
It is symmetrical at left and right sides of symmetry axis, include LD array pumpings source (1), cylindrical lens (2), rectangular metal waveguide (3) successively respectively
With imaging system (4), imaging system (4) and dichroic mirror (5) close to.
2. the cold thin-sheet laser structure of liquid according to claim 1, it is characterised in that the crystal microchip (7.3) is
The Nd of different levels of doping：Thin slice of the YLF crystal as gain media.
3. the cold thin-sheet laser structure of liquid according to claim 1, it is characterised in that the quartz window (7.2) with
The opposite side of crystal microchip (7.3) is coated with the high transmittance film to 0.805 μm of pump light and 1.047 μm of laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720980432.2U CN207250923U (en) | 2017-08-08 | 2017-08-08 | A kind of cold thin-sheet laser structure of liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720980432.2U CN207250923U (en) | 2017-08-08 | 2017-08-08 | A kind of cold thin-sheet laser structure of liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207250923U true CN207250923U (en) | 2018-04-17 |
Family
ID=61879916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720980432.2U Active CN207250923U (en) | 2017-08-08 | 2017-08-08 | A kind of cold thin-sheet laser structure of liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207250923U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086070A (en) * | 2019-05-19 | 2019-08-02 | 北京工业大学 | A kind of high pumping absorbs, the novel sheet laser structure of high-power output |
| CN111244733A (en) * | 2020-02-11 | 2020-06-05 | 中国工程物理研究院应用电子学研究所 | Variable-caliber multi-pass laser amplifier based on direct liquid cooling array distribution gain module |
| CN111404000A (en) * | 2020-03-09 | 2020-07-10 | 中国工程物理研究院应用电子学研究所 | Direct liquid cooling array type thin unstable resonant cavity capable of inhibiting high-order distortion in cavity |
| CN113991398A (en) * | 2021-10-12 | 2022-01-28 | 衢州学院 | Solid laser |
-
2017
- 2017-08-08 CN CN201720980432.2U patent/CN207250923U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086070A (en) * | 2019-05-19 | 2019-08-02 | 北京工业大学 | A kind of high pumping absorbs, the novel sheet laser structure of high-power output |
| CN111244733A (en) * | 2020-02-11 | 2020-06-05 | 中国工程物理研究院应用电子学研究所 | Variable-caliber multi-pass laser amplifier based on direct liquid cooling array distribution gain module |
| CN111404000A (en) * | 2020-03-09 | 2020-07-10 | 中国工程物理研究院应用电子学研究所 | Direct liquid cooling array type thin unstable resonant cavity capable of inhibiting high-order distortion in cavity |
| CN111404000B (en) * | 2020-03-09 | 2021-06-15 | 中国工程物理研究院应用电子学研究所 | Direct liquid cooling array type thin unstable resonant cavity capable of inhibiting high-order distortion in cavity |
| CN113991398A (en) * | 2021-10-12 | 2022-01-28 | 衢州学院 | Solid laser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207250923U (en) | A kind of cold thin-sheet laser structure of liquid | |
| CN103904535B (en) | Cladding light filtering device for high-power optical fiber laser | |
| CN103779772B (en) | Adopt laser module and the solid statelaser of recombination pump coupling | |
| CN105071198B (en) | A kind of devices and methods therefor for eliminating the wavefront distortion caused by window-shaped becomes of laser gain module | |
| CN104901155B (en) | A kind of high power optical fibre laser coupling pump light expands output device with signal light | |
| GB1246755A (en) | Improvements in and relating to lasers | |
| EP3641081A1 (en) | Phonon band edge emission-based all solid state high power slab laser | |
| CN104064955A (en) | Immersed cooling solid laser | |
| Fu et al. | Direct-liquid-cooled Nd: YAG thin disk laser oscillator | |
| CN104505704B (en) | A kind of new pattern laser amplifier | |
| CN107104350B (en) | Laser amplifier | |
| Gu et al. | Side-pumping combiner for high-power fiber laser based on tandem pumping | |
| CN101282021A (en) | Pumping method capable of improving efficiency and homogeneity as well as strip type solid laser | |
| CN104362495B (en) | A kind of slab laser amplifier and its laser output method | |
| CN110137791A (en) | A kind of long pulsewidth laser using 4f Image relaying system | |
| Ruan et al. | Analysis of output characteristics introduced by non-uniform coolant in direct-liquid-cooled multi-disk laser | |
| CN105470792B (en) | Two core of high power is total to cavity optical fibre laser | |
| CN209544813U (en) | Pumping configuration for high power glancing incidence slab laser beamquality improvement | |
| GB2513098A (en) | A method of using a slab-shaped optical medium | |
| CN203911225U (en) | Immersed cooling solid state laser | |
| CN104064956B (en) | Near-infrared solid laser device based on 1.2 mu m wavebands for mixing Bladder stone crystal | |
| CN204179474U (en) | A kind of slab laser amplifier | |
| CN204179475U (en) | A kind of slab laser amplifier | |
| JPH1187813A (en) | Solid laser oscillator | |
| CN107863677B (en) | A kind of multichannel end pumped thin disk solid state laser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |