CN207442180U - A kind of single pump ultraviolet laser - Google Patents
A kind of single pump ultraviolet laser Download PDFInfo
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- CN207442180U CN207442180U CN201820180138.8U CN201820180138U CN207442180U CN 207442180 U CN207442180 U CN 207442180U CN 201820180138 U CN201820180138 U CN 201820180138U CN 207442180 U CN207442180 U CN 207442180U
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- single pump
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- 239000013078 crystal Substances 0.000 claims abstract description 34
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- 230000004888 barrier function Effects 0.000 claims description 6
- 238000011982 device technology Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
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- 230000008878 coupling Effects 0.000 description 2
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- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 230000008859 change Effects 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 single pump ultraviolet laser.The laser includes cavity, laser light source, crystal module, acousto-optic Q-switching, frequency multiplication component and resonant component are provided in cavity, wherein, resonant component includes the first speculum, the second speculum and the 3rd speculum, first speculum, crystal module, acousto-optic Q-switching and the second speculum are successively set in first straight line, second speculum and the 3rd speculum are located at frequency multiplication component both sides, second speculum and the 3rd speculum are located in second straight line, and first straight line and second straight line form the V-type resonator that angle is acute angle.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 single 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 surface layer, line, blind slot processing, metal or non-metallic coatings removal etc..
Laser cavity is the cavity for generating laser optical path, would generally have resonator in cavity, light wave is in resonator
It 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 single pump Ultra-Violet Laser
Device.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of single pump ultraviolet laser, which is characterized in that the laser includes cavity, and laser is provided in the cavity
Light source, crystal module, acousto-optic Q-switching, frequency multiplication component and resonant component, wherein, the resonant component include the first speculum,
Second speculum and the 3rd speculum, first speculum, the crystal module, the acousto-optic Q-switching and described
Two-mirror is successively set in first straight line, and second speculum and the 3rd speculum are located at the frequency multiplication component two
Side, second speculum and the 3rd speculum are located in second straight line, the first straight line and the second straight line shape
Into the V-type resonator that angle is acute angle；
The pumping laser that the laser light source is sent is pooled in the crystal module, and the pumping laser is in the crystal
It generates basis in module to vibrate and export basic frequency laser, the basic frequency laser intake is into the acousto-optic Q-switching, the acousto-optic Q
Continuous basic frequency laser is modulated to pulse basic frequency laser and exported by switch, and the pulse basic frequency laser is through second speculum
It after reflection, reflects, is generated again by frequency multiplication component ultraviolet sharp through the frequency multiplication component, and through the 3rd speculum
Light.
Further, the cavity is square, and fragmenting plate is provided in the cavity, and the fragmenting plate divides the cavity
For the first cavity and the second cavity, the laser light source is arranged in first cavity, the crystal module, acousto-optic Q-switching,
Frequency multiplication component and resonant component are arranged in second cavity.
Further, the laser light source is pump module, is provided with fiber bench on the fragmenting plate, in the fiber bench
Optical fiber is provided with, the optical fiber is connected with the output terminal of the pump module.
Further, collimation coupled lens are provided between the optical fiber and first speculum and focus on coupling thoroughly
Mirror, the collimation coupled lens and the focusing coupled lens are set successively by the direction of the optical fiber to first speculum
It puts, the light velocity for entering crystal module is collimated and focused on.
Further, light barrier is additionally provided in second cavity, the light barrier is arranged on the circuit of Ultra-Violet Laser
On, to absorb unnecessary green light, obtain purer Ultra-Violet Laser.
Further, green light absorbing barrel is additionally provided in second cavity, the green light absorbing barrel is arranged on described
The outside of three speculums and the frequency multiplication component, to absorb the green light generated.
Further, the frequency multiplication component includes frequency tripling crystal and two frequency-doubling crystals, the frequency tripling crystal and described
Two frequency-doubling crystals are set by second speculum to the direction of second speculum.
Further, diaphragm is additionally provided in second cavity, the diaphragm is arranged on the frequency tripling crystal and institute
It states between the second speculum.
The beneficial effects of the utility model are：
A kind of single pump ultraviolet laser of the utility model, since first where the first speculum, the second speculum is straight
Second straight line where line and the second speculum, the 3rd speculum forms the V-type resonator that angle is acute angle, compared to tradition
Straight lumen type resonator, required space smaller, and then make the in vivo arrangement of chamber compacter, to reduce cavity build, with
Beneficial to arrangement of the laser in practice.
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, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it 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 single pump ultraviolet laser of the utility model embodiment；
Fig. 2 is a kind of overlooking the structure diagram of single pump ultraviolet laser of the utility model embodiment.
Specific 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
It clearly and completely describes, 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 single pump ultraviolet laser of the utility model embodiment, and Fig. 2 is the utility model
A kind of overlooking the structure diagram of single pump ultraviolet laser of embodiment.Referring to Fig. 1 and Fig. 2, the one of the utility model embodiment
The single pump ultraviolet laser of kind, the laser include cavity 1, laser light source 2, crystal module 3, acousto-optic Q-switching are provided in cavity 1
4th, frequency multiplication component and resonant component, wherein, resonant component includes the first speculum 5, the second speculum 6 and the 3rd speculum
7, the first speculum 5, crystal module 3,4 and second speculum 6 of acousto-optic Q-switching are successively set in first straight line, and second is anti-
It penetrates 6 and the 3rd speculum 7 of mirror and is located at frequency multiplication component both sides, the second speculum and the 3rd speculum are located in second straight line, and first
Straight line and second straight line form the V-type resonator that angle is acute angle.
When implementing, the pumping laser that the laser light source 2 of the utility model embodiment is sent is pooled in crystal module 3,
Pumping laser generates basis in crystal module 3 and vibrates and export basic frequency laser, and basic frequency laser is taken in into acousto-optic Q-switching 4, sound
Continuous basic frequency laser is modulated to pulse basic frequency laser and exported by light Q-switch 4, and pulse basic frequency laser is anti-through the second speculum 6
It after penetrating, is reflected through frequency multiplication component, and through the 3rd speculum 7, Ultra-Violet Laser is generated again by frequency multiplication component.
A kind of single pump ultraviolet laser of the utility model, since first where the first speculum, the second speculum is straight
Second straight line where line and the second speculum, the 3rd speculum forms the V-type resonator that angle is acute angle, compared to tradition
Straight lumen type resonator, required space smaller, and then make the in vivo arrangement of chamber compacter, to reduce cavity build, with
Beneficial to arrangement of the laser in practice.
With reference to Fig. 1 and Fig. 2, the cavity 1 of the utility model embodiment can be square, and segmentation can be provided in cavity 1
Cavity is divided into the first cavity and the second cavity by plate 8, fragmenting plate 8, and laser light source 2 is arranged in the first cavity, crystal module 3,
Acousto-optic Q-switching 4, frequency multiplication component and resonant component are arranged in the second cavity.
The laser light source 2 of the utility model embodiment elects pump module as, and fiber bench 9, fiber bench are provided on fragmenting plate 8
Optical fiber is provided in 9, optical fiber is connected with the output terminal of pump module, and pump module goes out pumping laser by fibre optical transmission.
With reference to Fig. 1 and Fig. 2, it is saturating that collimation coupling is provided between the optical fiber of the utility model embodiment and the first speculum 5
Mirror 10 and focus on coupled lens 11, collimation coupled lens 10 and focus on coupled lens 11 by optical fiber to the direction of the first speculum according to
Secondary setting, collimation and focusing for pumping laser.
The pumping laser that pump module is gone out by fibre optical transmission can generate basis in crystal module 3 and vibrate and export
The basic frequency laser of 1064nm.
With reference to Fig. 1 and Fig. 2, diaphragm 16 is also provided in second cavity of the utility model embodiment, diaphragm 16 is set
It puts between 14 and second speculum 6 of frequency tripling crystal, is filtered for the basic frequency laser to 1064nm.
With reference to Fig. 1 and Fig. 2, the frequency multiplication component of the utility model embodiment includes 14 and two frequency-doubling crystal of frequency tripling crystal
15,14 and two frequency-doubling crystal 15 of frequency tripling crystal is set by the second speculum 6 to the direction of the 3rd speculum 7, the base of 1064nm
Frequency laser is after the second transmitting mirror 6, the 3rd speculum reflect successively, and through two frequency-doubling crystals 15, a part is converted to 532nm light
Ripple, the basic frequency laser and 532nm light waves of 1064nm are converted into 355nm ultraviolet lights through frequency tripling crystal 14 again.
During 355nm ultraviolet lights generate, green light wave can be generated, based on this, the of the utility model embodiment
Light barrier 12 and green light absorbing barrel 13 are additionally provided in two cavitys, light barrier 12 is arranged on the circuit of Ultra-Violet Laser, with every
From the green light wave on Ultra-Violet Laser direction, and green light absorbing barrel 13 is arranged on the outside of the 3rd speculum 7 and frequency multiplication component, uses
The green light wave generated when absorbing frequency multiplication component and converting.
During light wave is converted, by light wave is round-trip and is not on same straight line the first speculum, the second reflection
The resonant component that mirror and the 3rd speculum are formed, required energy when light wave conversion can be replenished in time ensure laser output
Power.
Embodiment provided above is the better embodiment of the utility model, only is used for facilitating illustrating 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 (8)
1. a kind of single pump ultraviolet laser, which is characterized in that the laser includes cavity (1), is provided in the cavity (1)
Laser light source (2), crystal module (3), acousto-optic Q-switching (4), frequency multiplication component and resonant component, wherein, the resonant component bag
Include the first speculum (5), the second speculum (6) and the 3rd speculum (7), first speculum (5), the crystal module
(3), the acousto-optic Q-switching (4) and second speculum (6) are successively set in first straight line, second speculum
(6) and the 3rd speculum (7) is located at the frequency multiplication component both sides, and second speculum and the 3rd speculum are located at
In second straight line, the first straight line and the second straight line form the V-type resonator that angle is acute angle.
2. a kind of single pump ultraviolet laser according to claim 1, which is characterized in that the cavity (1) is square, described
Fragmenting plate (8) is provided in cavity, the cavity is divided into the first cavity and the second cavity, the laser by the fragmenting plate (8)
Light source (2) is arranged in first cavity, the crystal module (3), acousto-optic Q-switching (4), frequency multiplication component and resonant component
It is arranged in second cavity.
3. a kind of single pump ultraviolet laser according to claim 2, which is characterized in that the laser light source (2) is pumping
Module is provided with fiber bench (9) on the fragmenting plate (8), is provided with optical fiber in the fiber bench (9), the optical fiber and described
The output terminal connection of pump module.
4. a kind of single pump ultraviolet laser according to claim 3, which is characterized in that the optical fiber and first reflection
Collimation coupled lens (10) are provided between mirror (5) and focus on coupled lens (11), it is described to collimate coupled lens (10) and described
Coupled lens (11) are focused on to set gradually by the direction of the optical fiber to first speculum.
5. a kind of single pump ultraviolet laser according to claim 2, which is characterized in that be additionally provided in second cavity
Light barrier (12), the light barrier (12) are arranged on the circuit of Ultra-Violet Laser.
6. a kind of single pump ultraviolet laser according to claim 2, which is characterized in that be additionally provided in second cavity
Green light absorbing barrel (13), the green light absorbing barrel (13) are arranged on the outside of the 3rd speculum (7) and the frequency multiplication component.
7. according to a kind of single pump ultraviolet laser of claim 2-6 any one of them, which is characterized in that the frequency multiplication component bag
Frequency tripling crystal (14) and two frequency-doubling crystals (15) are included, the frequency tripling crystal (14) and two frequency-doubling crystal (15) are by described
Second speculum (6) is set to the direction of the 3rd speculum (7).
8. a kind of single pump ultraviolet laser according to claim 7, which is characterized in that be additionally provided in second cavity
Diaphragm (16), the diaphragm (16) are arranged between the frequency tripling crystal (14) and second speculum (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180138.8U CN207442180U (en) | 2018-02-01 | 2018-02-01 | A kind of single pump ultraviolet laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180138.8U CN207442180U (en) | 2018-02-01 | 2018-02-01 | A kind of single pump ultraviolet laser |
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| Publication Number | Publication Date |
|---|---|
| CN207442180U true CN207442180U (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820180138.8U Expired - Fee Related CN207442180U (en) | 2018-02-01 | 2018-02-01 | A kind of single pump ultraviolet laser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106515A (en) * | 2019-12-31 | 2020-05-05 | 武汉奇致激光技术股份有限公司 | Multi-wavelength laser and optical equipment |
-
2018
- 2018-02-01 CN CN201820180138.8U patent/CN207442180U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106515A (en) * | 2019-12-31 | 2020-05-05 | 武汉奇致激光技术股份有限公司 | Multi-wavelength laser and optical equipment |
| CN111106515B (en) * | 2019-12-31 | 2021-11-30 | 武汉奇致激光技术股份有限公司 | Multi-wavelength laser and optical equipment |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 |