CN214044326U - Solid laser with adjustable pulse width - Google Patents
Solid laser with adjustable pulse width Download PDFInfo
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- CN214044326U CN214044326U CN202120051389.8U CN202120051389U CN214044326U CN 214044326 U CN214044326 U CN 214044326U CN 202120051389 U CN202120051389 U CN 202120051389U CN 214044326 U CN214044326 U CN 214044326U
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Abstract
The utility model discloses a solid laser with adjustable pulse width, which comprises a pumping cavity, wherein the pumping cavity is connected with a lens group cavity, the right side of the lens group cavity is provided with a crystal cavity, the left end of the pumping cavity is connected with a left end cover, the left end cover is provided with a pumping source I and a pumping source II, the front part of a pumping source II light path is provided with a reflecting lens, the upper part of the reflecting lens is provided with a lens along the front part of the pumping source I light path, the lens group cavity is internally provided with a collimating lens and a focusing lens, the rear side of the lens group cavity is connected with a cross rod through a connecting post, the cross rod is fixedly connected with a fixed block, the fixed block is provided with a slide rail, the rear part of the crystal cavity is fixedly connected with a slide block matched with the slide rail, the right end of the crystal cavity is provided with a saturated absorber, the utility model can overcome the defects of unstable and uneven light caused by a single pumping source, and can adjust the pulse width of the light through the length of the saturated absorber, has the advantage of convenient pulse width adjustment.
Description
Technical Field
The utility model belongs to the technical field of the laser instrument, specifically a pulse width adjustable solid laser.
Background
With the rapid development of science and technology, lasers are increasingly used in various fields: such as industrial processing, scientific and technological research and development, medical cosmetology, laser storage, laser display, laser radar and the like, along with the development of various industries, increasingly high requirements are provided for performance parameters, reliability and stability, convenience in operation, compact structure, portability and the like of a laser.
The existing laser has the defects of complex pulse regulation and small regulation range of pulse width.
In addition, a single pump source is coupled to the laser of the laser crystal, and the light beam of the pump source is longer in the slow axis direction, so that the emergent light has larger asymmetry; in addition, a single pump source has some problems with spot failure, which can cause non-uniformity in the pump beam and thus non-uniformity in the laser output.
There is currently no solution to the shortcomings of the prior art.
Disclosure of Invention
To the above-mentioned technical problem among the correlation technique, the utility model provides a pulse width adjustable solid laser can overcome prior art's the aforesaid not enough.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a pulse width adjustable solid laser, includes the pumping cavity, the pumping cavity is connected with the battery of lens cavity, the right side of battery of lens cavity is equipped with the crystal cavity, the left end of pumping cavity is connected with the left end lid, be equipped with pumping source one and pumping source two on the left end lid, the place ahead of two light paths in pumping source is equipped with reflection lens, reflection lens's top is equipped with lens along the place ahead of pumping source light path, be equipped with collimating lens and focusing lens in the battery of lens cavity, collimating lens with be equipped with ring shape fixed block between the focusing lens, collimating lens with be equipped with first locating piece between the pumping cavity, focusing lens with be equipped with the second locating piece between the right side of battery of lens cavity, the rear side of battery of lens cavity is connected with the spliced pole, the spliced pole is connected with the horizontal pole, horizontal pole fixedly connected with fixed block, the crystal cavity is characterized in that a slide rail is arranged on the fixed block, a slide block matched with the slide rail is fixedly connected to the rear portion of the crystal cavity, the slide block is connected with a driving device, and a saturable absorber is arranged at the right end of the crystal cavity.
Further: the upper end of the left end cover is connected with a lens fixing block, and the lower end of the left end cover is connected with a reflecting lens fixing block.
Further: the pump cavity is internally and fixedly connected with an upper fixing block and a lower fixing block, the lens is fixed between the lens fixing block and the upper fixing block, and the reflecting lens is fixed between the reflecting lens fixing block and the lower fixing block.
Further: be equipped with the spout on the inside wall of battery of lens cavity, the spout runs through the battery of lens cavity, just ring shape fixed block, first locating piece and second locating piece all with spout sliding connection.
Further: the right end of the lens group cavity is connected with a limiting block, and the second positioning block is located between the focusing lens and the limiting block.
Further: the pumping cavity is in threaded connection with the lens group cavity.
The utility model discloses a pulse width adjustable solid laser can overcome the unstable and inhomogeneous shortcoming of light that single pumping source arouses, in addition the utility model discloses a adjust the pulse width that light can mediate light through saturable absorber's length, have the convenient advantage of pulse width regulation.
Drawings
Fig. 1 is a schematic structural diagram of a pulse width adjustable solid laser according to the present invention;
FIG. 2 is a schematic view of the rear side of the lens assembly cavity of the present invention;
the reference signs are: the device comprises a pumping source II 1, a left end cover 2, a pumping source I3, a left end cover 4, a lens 5, a pumping cavity 6, an upper fixing block 7, a first positioning block 8, a lens group cavity 9, a collimating lens 10, a crystal cavity 11, a saturable absorber 12, a second positioning block 13, a circular fixing block 14, a lower fixing block 15, a reflecting lens 16, a reflecting lens fixing block 17, a connecting column 18, a cross rod 19, a fixing block 20 and a focusing lens 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
A solid laser with adjustable pulse width is disclosed, as shown in figure 1-2, comprising a pumping cavity 6, wherein the pumping cavity 6 is connected with a lens group cavity 9, the right side of the lens group cavity 9 is provided with a crystal cavity 11, the left end of the pumping cavity 6 is connected with a left end cover 2, the left end cover 2 is provided with a first pumping source 3 and a second pumping source 1, the front of the light path of the second pumping source 1 is provided with a reflecting lens 16, the upper part of the reflecting lens 16 is provided with a lens 5 along the front of the light path of the first pumping source 3, the lens group cavity 9 is provided with a collimating lens 22 and a focusing lens 21, a circular ring-shaped fixing block 14 is arranged between the collimating lens 10 and the focusing lens 21, a first positioning block 8 is arranged between the collimating lens 10 and the pumping cavity 6, and a second positioning block 13 is arranged between the focusing lens 21 and the right side of the lens group cavity 9, the rear side of lens group cavity 9 is connected with spliced pole 18, spliced pole 18 is connected with horizontal pole 19, horizontal pole 19 fixedly connected with fixed block 20, be equipped with the slide rail on the fixed block 20, the rear portion fixedly connected with of crystal cavity 11 with slide rail complex slider, the slider is connected with drive arrangement, the right-hand member of crystal cavity 11 is equipped with saturable absorber 12.
In a specific embodiment of the present invention: the upper end of the left end cover 2 is connected with a lens fixing block 4, and the lower end of the left end cover 4 is connected with a reflecting lens fixing block 17; an upper fixing block 7 and a lower fixing block 15 are fixedly connected in the pumping cavity 6, the lens 5 is fixed between the lens fixing block 4 and the upper fixing block 7, and the reflecting lens 16 is fixed between the reflecting lens fixing block 17 and the lower fixing block 15. Can make things convenient for lens and reflection lens's fixed, left end cover, reflection lens fixed block and lens fixed block can be the integral type structure, also can be split type structure, and when left end cover, reflection lens fixed block and lens fixed block were split type structure, can take the form of screwed connection, be about to reflection lens fixed block and lens fixed block pass through the fix with screw on the left end cover.
In a specific embodiment of the present invention: be equipped with the spout on the inside wall of lens group cavity, the spout runs through the lens group cavity, just ring shape fixed block, first locating piece and second locating piece all with spout sliding connection, the right-hand member of lens group cavity is connected with the stopper, the second locating piece is located focusing lens with between the stopper. Can conveniently install collimating lens 10 and focusing lens 21 in the battery of lens cavity, when concrete installation, in order with second locating piece 13, focusing lens 21, ring shape fixed block 14, collimating lens 10 and first locating piece 8 in proper order along the spout on the inside wall of battery of lens cavity from the left end in the battery of lens cavity is pushed into, push to the rightmost end can, the stopper can stop the displacement of second locating piece rightwards, prevent that second locating piece etc. from promoting to the right excessively to push out outside the battery of lens cavity.
In a specific embodiment of the present invention: the pumping cavity is in threaded connection with the lens group cavity, so that the first pumping source 3 and/or the second pumping source 1 in the pumping cavity can be replaced conveniently.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
The utility model relates to a pulse width adjustable solid laser, including pumping cavity, battery of lens cavity and crystal cavity, the left end of pumping cavity is connected with the left end lid, installs pumping source one and pumping source two on the left end lid, can in time take off the left end lid and change it when pumping source one or pumping source two damage.
The lens is arranged in front of the first pump source light path, the reflecting lens is arranged in front of the second pump source light path and above the reflecting lens, the reflecting lens is used for reflecting the laser beam emitted by the second pump source to the lens, the lens reflects the light beam reflected by the second pump source again on one hand and can completely penetrate the light beam emitted by the first pump source on the other hand, and therefore the light beams emitted by the first pump source and the second pump source can enter the lens group cavity through the cavity.
A collimating lens and a focusing lens are arranged in the lens group cavity, the collimating lens is used for collimating light rays, and the focusing lens is used for gathering the light rays into a straight line; be equipped with the spout on the cavity inner wall of lens group, can be convenient for install collimating lens and focusing lens through the spout, and be equipped with second locating piece 13, ring shape fixed block 14, first locating piece 8 and stopper and can make things convenient for collimating lens and focusing lens's fixed.
The rear side of the lens group cavity is connected with a fixed block 20 through a connecting column 18 and a cross rod 19, a slide rail is arranged on the fixed block 20, a slide block matched with the slide rail is fixedly connected to the rear part of the crystal cavity 11, the slide block is connected with a driving device, a saturated absorber 12 is arranged at the right end of the crystal cavity 11, the slide block is driven by the driving device to drive the crystal cavity to move, the thickness of light passing through the saturated absorber 12 and the thicknesses of different saturated absorbers can be adjusted, the initial transmittance of different saturated absorbers corresponds to different initial transmittances, and the smaller the initial transmittance is, and the smaller the width of pulses output through the crystal cavity is.
To sum up, the utility model discloses can overcome the unstable and inhomogeneous shortcoming of light that single pumping source arouses, in addition the utility model discloses a pulse width who adjusts light and can mediate light through saturable absorber's length has the convenient advantage of pulse width regulation.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a pulse width adjustable solid laser, its characterized in that, includes the pumping cavity, the pumping cavity is connected with the battery of lens cavity, the right side of battery of lens cavity is equipped with the crystal cavity, the left end of pumping cavity is connected with the left end lid, be equipped with pumping source one and pumping source two on the left end lid, the place ahead of pumping source two light paths is equipped with reflection lens, reflection lens's top is equipped with lens along the place ahead of pumping source one light path, be equipped with collimating lens and focusing lens in the battery of lens cavity, be equipped with ring shape fixed block between collimating lens and the focusing lens, collimating lens with be equipped with first locating piece between the pumping cavity, be equipped with the second locating piece between focusing lens and the right side of battery of lens cavity, the rear side of battery of lens cavity is connected with the spliced pole, the spliced pole is connected with the horizontal pole, the crystal cavity comprises a cross rod and is characterized in that the cross rod is fixedly connected with a fixed block, a slide rail is arranged on the fixed block, the rear part of the crystal cavity is fixedly connected with a slide block matched with the slide rail, the slide block is connected with a driving device, and a saturable absorber is arranged at the right end of the crystal cavity.
2. A pulse width tunable solid state laser as claimed in claim 1, wherein: the upper end of the left end cover is connected with a lens fixing block, and the lower end of the left end cover is connected with a reflecting lens fixing block.
3. A pulse width tunable solid state laser as claimed in claim 2, wherein: the pump cavity is internally and fixedly connected with an upper fixing block and a lower fixing block, the lens is fixed between the lens fixing block and the upper fixing block, and the reflecting lens is fixed between the reflecting lens fixing block and the lower fixing block.
4. A pulse width tunable solid state laser as claimed in claim 1, wherein: be equipped with the spout on the inside wall of battery of lens cavity, the spout runs through the battery of lens cavity, just ring shape fixed block, first locating piece and second locating piece all with spout sliding connection.
5. A pulse width tunable solid state laser as claimed in claim 4, wherein: the right end of the lens group cavity is connected with a limiting block, and the second positioning block is located between the focusing lens and the limiting block.
6. A pulse width tunable solid state laser as claimed in claim 1, wherein: the pumping cavity is in threaded connection with the lens group cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120051389.8U CN214044326U (en) | 2021-01-11 | 2021-01-11 | Solid laser with adjustable pulse width |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120051389.8U CN214044326U (en) | 2021-01-11 | 2021-01-11 | Solid laser with adjustable pulse width |
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| Publication Number | Publication Date |
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| CN214044326U true CN214044326U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120051389.8U Active CN214044326U (en) | 2021-01-11 | 2021-01-11 | Solid laser with adjustable pulse width |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118610859A (en) * | 2024-08-08 | 2024-09-06 | 济南晶众光电科技有限公司 | Microchip laser |
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2021
- 2021-01-11 CN CN202120051389.8U patent/CN214044326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118610859A (en) * | 2024-08-08 | 2024-09-06 | 济南晶众光电科技有限公司 | Microchip laser |
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