CN207353641U - A kind of double pump ultraviolet laser - Google Patents
A kind of double pump ultraviolet laser Download PDFInfo
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- CN207353641U CN207353641U CN201820180015.4U CN201820180015U CN207353641U CN 207353641 U CN207353641 U CN 207353641U CN 201820180015 U CN201820180015 U CN 201820180015U CN 207353641 U CN207353641 U CN 207353641U
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- 239000013078 crystal Substances 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims description 25
- 239000013307 optical fiber Substances 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 6
- 238000011982 device technology Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model belongs to field of laser device technology, more particularly to a kind of double pump ultraviolet laser.The laser includes cavity, first laser light source, second laser light source, crystal module, acousto-optic Q-switching, frequency multiplication component and resonant component are provided with cavity, wherein, laser light source is provided with two, and resonant component includes light wave back and forth and is not at collinear first speculum, the second speculum, the 3rd speculum, the 4th speculum and the 5th speculum.The utility model can make the arrangement in cavity compacter, to reduce cavity build, in favor of arrangement of the laser in practice.
Description
Technical field
The utility model belongs to field of laser device technology, more particularly to a kind of double pump ultraviolet laser.
Background technology
The laser application of the utility model marks and industrializes Precision Machining field in 3C industries, is mainly used for 3C industries
Emitting of top layer, line blind slot processing metal or non-metallic coatings remove etc..
Laser cavity is the cavity for producing laser optical path, would generally have resonator in cavity, light wave is in resonator
Can be with roundtrip, so as to provide optical power feedback.Resonator is the necessary component of laser, in the prior art, resonator
Plane or concave spherical mirror typically vertical with active medium axis by two pieces is formed.
In the process of implementing the utility model, it is found by the applicant that at least having the following disadvantages in the prior art：
Due to resonator in the prior art be by two pieces of speculum groups into, be traditional straight lumen type resonator, this type
Resonator to avoid laser lightwave circuit, two speculums therein it is in larger distance, cause cavity more huge, be unfavorable for
Arrangement of the laser in practice.
Utility model content
In view of the above-mentioned problems of the prior art, the utility model provides a kind of compact-sized double pump Ultra-Violet Laser
Device.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of double pump ultraviolet laser, the laser include cavity, and first laser light source, are provided with the cavity
Dual-laser light source, crystal module, acousto-optic Q-switching, frequency multiplication component and resonant component, wherein, the laser light source is provided with two
A, the resonant component includes light wave back and forth and is not at collinear first speculum, the second speculum, the 3rd reflection
Mirror, the 4th speculum and the 5th speculum, the output terminal of the first laser light source, first speculum, the crystal
Module, second speculum are successively set on the first line segment, and the output terminal of the second laser light source and described first swashs
The output terminal of radiant is located at the both sides of the crystal module, second speculum, the acousto-optic Q-switching, described the respectively
Three speculums are successively set in second line segment, and the angle of first line segment and the second line segment is acute angle, the frequency multiplication
Component is arranged in the acute angle, and the 4th speculum and the 5th speculum are located at the frequency multiplication component both sides, described
The line of 4th speculum and the frequency multiplication component is the 3rd line segment, and the line of the 5th speculum and the frequency multiplication component is
The angle of 4th line segment, the 3rd line segment and the 4th line segment is obtuse angle.
Further, the cavity is square, and fragmenting plate is provided with the cavity, and the fragmenting plate divides the cavity
For the first cavity and the second cavity, the first laser light source, second laser light source are arranged in first cavity, the crystalline substance
Module, acousto-optic Q-switching, frequency multiplication component and resonant component are arranged in second cavity.
Further, the first laser light source and the second laser light source are pump module, second cavity
Inside it is provided with the first fiber bench and the second fiber bench, is provided with first fiber bench for being connected with first laser light source
First optical fiber, the second optical fiber for being connected with second laser light source is provided with second fiber bench.
Further, the first collimation coupled lens are disposed between first fiber bench and first speculum
Coupled lens are focused on first.
Further, first refractive mirror and the second refraction are provided between second fiber bench and second speculum
Connection residing for mirror, second fiber bench and the first refractive mirror is parallel to second refracting telescope and second reflection
Line residing for mirror.
Further, the second collimation coupled lens are provided between second fiber bench and the first refractive mirror.
Further, the second focusing coupled lens are provided between second refracting telescope and second speculum.
Preferably, green light absorbing barrel is additionally provided with second cavity, the green light absorbing barrel is close to the frequency multiplication group
Part is set.
Further, light barrier is additionally provided with second cavity, the light barrier is arranged on the circuit of Ultra-Violet Laser
On
Further, it is additionally provided with diaphragm in second cavity, the diaphragm is arranged on the frequency multiplication component and described
Between five speculums.
The beneficial effects of the utility model are：
A kind of double pump ultraviolet laser of the utility model, since resonant component therein is round-trip including light wave, and not position
In the first speculum on same straight line, the second speculum, the 3rd speculum, the 4th speculum and the 5th speculum, compare
In traditional straight lumen type resonator, its required space smaller, and then make the arrangement in cavity compacter, to reduce cavity body
Type, in favor of arrangement of the laser in practice.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the utility model
Example is applied, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structure diagram of double pump ultraviolet laser of the utility model embodiment.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of structure diagram of double pump ultraviolet laser of the utility model embodiment.Referring to Fig. 1, this practicality
A kind of double pump ultraviolet laser of new embodiment, including cavity 21, first laser light source 20, second is provided with cavity 21 and is swashed
Radiant 19, crystal module 9, acousto-optic Q-switching 2, frequency multiplication component and resonant component, wherein, laser light source is provided with two, humorous
The component that shakes include light wave it is round-trip and be not on same straight line the first speculum 10, the second speculum 4, the 3rd speculum 1, the
Four speculums 18 and the 5th speculum 3.
With reference to Fig. 1, the output terminal of the first laser light source 20 of the utility model embodiment, the first speculum 10, crystal mould
Block 9, the second speculum 4 are successively set on the first line segment, the output terminal of second laser light source 19 and first laser light source 20
Output terminal is located at the both sides of crystal module 9 respectively, and the second speculum 4, acousto-optic Q-switching 2, the 3rd speculum 1 are successively set on the
On two line segments, the angle of the first line segment and second line segment is acute angle, and frequency multiplication component is arranged in acute angle, the 4th speculum 18 and
Five speculums 3 are located at frequency multiplication component both sides, and the line of the 4th speculum 18 and frequency multiplication component is the 3rd line segment, the 5th speculum 3
Line with frequency multiplication component is the 4th line segment, and the angle of the 3rd line segment and the 4th line segment is obtuse angle.
A kind of double pump ultraviolet laser of the utility model embodiment, since resonant component therein is round-trip including light wave,
And the first speculum, the second speculum, the 3rd speculum, the 4th speculum and the 5th reflection not being located along the same line
Mirror, compared to traditional straight lumen type resonator, its required space smaller, and then makes the arrangement in cavity compacter, with contracting
Small cavity build, in favor of arrangement of the laser in practice.
With reference to Fig. 1, the cavity 21 of the utility model embodiment is square, and fragmenting plate 22, fragmenting plate 22 are provided with cavity
Cavity is divided into the first cavity and the second cavity, first laser light source 20, second laser light source 19 are arranged in the first cavity, brilliant
Module 9, acousto-optic Q-switching 2, frequency multiplication component and resonant component are arranged in the second cavity.
With reference to Fig. 1, the first laser light source 20 and second laser light source 19 of the utility model embodiment are pump module,
The first fiber bench 14 and the second fiber bench 13 are provided with second cavity, is provided with and is used for and first laser in the first fiber bench 14
The first optical fiber that light source 20 connects, the second optical fiber for connect with second laser light source 19 is provided with the second fiber bench, is pumped
Pu module goes out pumping laser by fibre optical transmission.
The utility model embodiment can improve the laser work(of laser output due to being exported using two pump modules
Rate.
Further, with reference to Fig. 1, between first fiber bench 14 of the utility model embodiment and the first speculum 10 successively
It is provided with the first collimation coupled lens 12 and first and focuses on coupled lens 11, collimation and focusing for pumping laser.
Further, with reference to Fig. 1, set between second fiber bench 13 of the utility model embodiment and the second speculum 4
There is 8 and second refracting telescope 7 of first refractive mirror, the connection residing for the second fiber bench 13 and first refractive mirror 8 is parallel to the second refraction
Line residing for 7 and second speculum 4 of mirror, can so make the output of the second fiber bench 13 just by two refracting telescopes refraction into
Capable output of discounting, is more advantageous to compact in design.
With reference to Fig. 1, the second collimation is provided between second fiber bench 13 and first refractive mirror 8 of the utility model embodiment
Coupled lens 6, are provided with the second focusing coupled lens 5, for pumping laser between the second refracting telescope 7 and the second speculum 4
Collimation and focusing.
With reference to Fig. 1, the frequency multiplication component of the utility model embodiment includes two frequency-doubling crystals 17 and frequency tripling crystal 16, two times
Frequency crystal 17 and frequency tripling crystal 16 are set by the 4th speculum 18 to the direction of the 5th speculum 3,
With reference to Fig. 1, green light absorbing barrel 23, green light absorbing barrel 23 are additionally provided with second cavity of the utility model embodiment
Set close to frequency multiplication component, to absorb light wave through green light caused by the conversion of frequency multiplication component.
With reference to Fig. 1, light barrier 24 is additionally provided with second cavity of the utility model embodiment, light barrier 24 is arranged on purple
On the circuit of outer laser, to isolate the green beam on Ultra-Violet Laser direction.
With reference to Fig. 1, diaphragm 15 is additionally provided with second cavity of the utility model embodiment, diaphragm 15 is arranged on frequency multiplication group
Between part and five speculums 3, for being filtered to light wave.
When implementing, the first laser light source of the utility model embodiment and the second pumping laser for sending laser light source converge
Collect in crystal module, pumping laser produces basis in crystal module and vibrates and export the basic frequency laser of 1064nm, and acousto-optic Q is opened
Continuous basic frequency laser is modulated to pulse basic frequency laser and exported by pass, and pulse basic frequency laser is brilliant through two frequencys multiplication of frequency multiplication component
Body, a part are converted to 532nm light waves, and the basic frequency laser and 532nm light waves of remaining 1064nm turn through frequency tripling crystal again
Turn to 355nm Ultra-Violet Lasers.
It is anti-by light wave is round-trip and is not on same straight line the first speculum 10, second during light wave is changed
The resonant component that mirror 4, the 3rd speculum 1, the 4th speculum 18 and the 5th speculum 3 are formed is penetrated, light wave can be replenished in time and turn
Required energy when changing, ensures the power of laser output.
Embodiment provided above is the better embodiment of the utility model, is only used for convenient explanation the utility model, and
The non-limitation made to the utility model in any form, any those of ordinary skill in the art, if not departing from
In the range of the utility model carries technical characteristic, locally change or repair using made by the utility model disclosed technology content
The equivalent embodiment of decorations, and without departing from the technical characteristics of the utility model content, still fall within the utility model technical characteristic
In the range of.
Claims (10)
1. a kind of double pump ultraviolet laser, it is characterised in that the laser includes cavity (21), is set in the cavity (21)
There are first laser light source (20), second laser light source (19), crystal module (9), acousto-optic Q-switching (2), frequency multiplication component and resonance
Component, wherein, the laser light source is provided with two, and the resonant component includes light wave back and forth and is not on same straight line
First speculum (10), the second speculum (4), the 3rd speculum (1), the 4th speculum (18) and the 5th speculum (3),
The output terminal of the first laser light source (20), first speculum (10), the crystal module (9), described second
Speculum (4) is successively set on the first line segment, the output terminal and the first laser light source of the second laser light source (19)
(20) output terminal respectively be located at the crystal module (9) both sides, second speculum (4), the acousto-optic Q-switching (2),
3rd speculum (1) is successively set in second line segment, and the angle of first line segment and the second line segment is acute angle,
The frequency multiplication component is arranged in the acute angle, and the 4th speculum (18) and the 5th speculum (3) are positioned at described times
The line of frequency component both sides, the 4th speculum (18) and the frequency multiplication component is the 3rd line segment, the 5th speculum (3)
Line with the frequency multiplication component is the 4th line segment, and the angle of the 3rd line segment and the 4th line segment is obtuse angle.
2. a kind of double pump ultraviolet laser according to claim 1, it is characterised in that the cavity (21) is square, institute
State and fragmenting plate (22) is provided with cavity, the cavity is divided into the first cavity and the second cavity by the fragmenting plate (22), described
First laser light source (20), second laser light source (19) are arranged in first cavity, and the crystal module (9), acousto-optic Q are opened
(2), frequency multiplication component and resonant component is closed to be arranged in second cavity.
A kind of 3. double pump ultraviolet laser according to claim 2, it is characterised in that the first laser light source (20) and
The second laser light source (19) is pump module, and the first fiber bench (14) and the second optical fiber are provided with second cavity
Seat (13), be provided with first fiber bench (14) for and first laser light source (20) connection the first optical fiber, described the
It is provided with two fiber bench for the second optical fiber with second laser light source (19) connection.
4. a kind of double pump ultraviolet laser according to claim 3, it is characterised in that first fiber bench (14) and institute
State and the first collimation coupled lens (12) and first are disposed between the first speculum (10) focus on coupled lens (11).
5. a kind of double pump ultraviolet laser according to claim 3, it is characterised in that second fiber bench (13) and institute
State and be provided with first refractive mirror (8) and the second refracting telescope (7), second fiber bench (13) and institute between the second speculum (4)
State company of the connection residing for parallel to second refracting telescope (7) and second speculum (4) residing for first refractive mirror (8)
Line.
6. a kind of double pump ultraviolet laser according to claim 5, it is characterised in that second fiber bench (13) and institute
State and be provided with the second collimation coupled lens (6) between first refractive mirror (8).
7. a kind of double pump ultraviolet laser according to claim 6, it is characterised in that second refracting telescope (7) and institute
State and be provided with the second focusing coupled lens (5) between the second speculum (4).
8. according to a kind of double pump ultraviolet laser of claim 2-7 any one of them, it is characterised in that in second cavity
Green light absorbing barrel (23) is additionally provided with, the green light absorbing barrel (23) is set close to the frequency multiplication component.
9. according to a kind of double pump ultraviolet laser of claim 2-7 any one of them, it is characterised in that in second cavity
Light barrier (24) is additionally provided with, the light barrier (24) is arranged on the circuit of Ultra-Violet Laser.
10. according to a kind of double pump ultraviolet laser of claim 2-7 any one of them, it is characterised in that second cavity
Diaphragm (15) is inside additionally provided with, the diaphragm (15) is arranged between the frequency multiplication component and five speculum (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180015.4U CN207353641U (en) | 2018-02-01 | 2018-02-01 | A kind of double pump ultraviolet laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180015.4U CN207353641U (en) | 2018-02-01 | 2018-02-01 | A kind of double pump ultraviolet laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207353641U true CN207353641U (en) | 2018-05-11 |
Family
ID=62350642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820180015.4U Expired - Fee Related CN207353641U (en) | 2018-02-01 | 2018-02-01 | A kind of double pump ultraviolet laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207353641U (en) |
-
2018
- 2018-02-01 CN CN201820180015.4U patent/CN207353641U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |