Cooling system of solid laser and solid laser

Abstract

The invention belongs to the technical field of lasers, and discloses a solid laser cooling system and a solid laser, the solid laser cooling system comprises a laser body, one end of the laser body is in threaded connection with a first threaded ring, and the outside of the first threaded ring is movably connected with a zoom ring; and a first convex surface output mirror is fixedly clamped in the first threaded ring, a first concave surface output mirror is fixedly clamped in the first threaded ring, and one end of the interior of the first threaded ring is fixedly connected with a light filter plate. By arranging a second fixing ring, a rotating rod, a pull rod, a moving part, a limiting ring and other structures, the rotating rod is rotated, the rotating rod drives the pull rod to rotate, a first limiting column drives the limiting ring to rotate through the pull rod, the first limiting column slides along a sliding groove in the moving part, and the limiting ring drives a second limiting column to rotate; and the second limiting column drives the moving part to rotate along the first arc-shaped groove in the second fixing ring, so that the laser beam of the solid laser is not easy to scatter during output.

Description

Technical Field

[0001] The invention belongs to the technical field of lasers, and in particular relates to a cooling system for a solid laser and a solid laser. Background Art

[0002] Lasers are widely used in many fields such as physics, chemistry, biology, medicine, engineering, etc. due to their advantages such as high brightness, good collimation, good monochromaticity and strong coherence. Some typical uses include: bloodless surgery, laser therapy, etc. in the medical field, welding, cutting, etc. in the industrial field, laser spectroscopy, laser cooling, etc. in physics.

[0003] Solid-state lasers have the characteristics of large output energy and high peak power. They are widely used in industrial manufacturing, national defense, high-energy physics research and other fields. With the advancement of laser technology, high-power laser technology has become an important direction for the development of solid-state lasers.

[0004] When the existing fixed laser is in use, the atoms and molecules in the laser crystal are first excited, and then the excited light beam is reflected back to the laser crystal, and then the reflected light beam is focused to a point, and finally the excited light beam and the reflected light beam are combined to form a stable laser beam. However, when the laser beam of the solid laser is output, it is difficult for the lens end of the solid laser to converge the light beam, which easily causes the light beam to be scattered. A cooling system for a solid laser and a solid laser are proposed to solve the above problems. Summary of the invention

[0005] In order to solve the problems raised in the above background technology, the present invention provides a cooling system for a solid laser and a solid laser, which solves the problem that the laser beam of the solid laser is easily scattered when it is output.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cooling system for a solid-state laser and a solid-state laser, comprising a laser body, one end of the laser body being threadedly connected to a first threaded ring, the outside of the first threaded ring being movably connected to a zoom ring, the inside of the first threaded ring being fixedly clamped with a first convex output mirror, the first threaded ring being fixedly clamped with a first concave output mirror, one end of the inside of the first threaded ring being fixedly connected to a filter plate, the outside of the first threaded ring being fixedly connected to a sealing gasket, the inside of the first threaded ring being threadedly connected to a second threaded ring, the outside of the second threaded ring being rotatably connected to a focus ring, the outside of one end of the second threaded ring being fixedly connected to a limited top ring, the inside of the second threaded ring being fixedly connected to a second convex output mirror, the inside of the second threaded ring being fixedly clamped with a second concave output mirror, the inside of one end of the second threaded ring being fixedly connected to a lens, and the outside of one end of the second threaded ring being fixedly connected to the first fixing ring;

[0007] A second fixing ring is fixedly connected to the middle of the first fixing ring, a rotating rod is movably connected to one end of the second fixing ring, a pull rod is movably connected to one side of the rotating rod, a first limiting column is movably connected to one end of the pull rod, a moving part is movably clamped at one end of the first limiting column, one end of the first limiting column is fixedly connected to the limiting ring, the interior of the limiting ring is fixedly connected to the second limiting column in a ring-shaped arrangement, and a third limiting column is fixedly connected to one side of the second fixing ring in a ring-shaped arrangement.

[0008] Preferably, the first convex output mirror is located on a side of the first threaded ring close to the laser body, and the first concave output mirror is located on the left side of the first convex output mirror.

[0009] Preferably, a first annular convex groove matching the size of the first convex output mirror is formed inside the first threaded ring, and a first annular groove matching the size of the first concave output mirror is formed inside the first threaded ring.

[0010] Preferably, the filter plate is located on the left side of the first concave output mirror, and the outside of the filter plate does not contact the second threaded ring.

[0011] Preferably, one side of the sealing gasket abuts against the second threaded ring, and one side of the second threaded ring is provided with an extrusion groove matched to the size of the sealing gasket.

[0012] Preferably, the outer portion of the limiting top ring is clamped with the inner portion of the first threaded ring, and the inner portion of the first threaded ring is provided with an annular limiting groove matched with the size of the limiting top ring.

[0013] Preferably, a second annular convex groove matching the size of the second convex output mirror is formed inside the second threaded ring, and a second annular concave groove matching the size of the second concave output mirror is formed inside the second threaded ring.

[0014] Preferably, the lens is located on one side of the second concave output mirror, and the inner diameter of the lens is equal to the inner diameter of the lens.

[0015] Preferably, the second fixed ring is provided with a first arc groove in an annular shape and matched with the size of the second limiting column, the interior of the movable part is provided with a second arc groove matched with the size of the third limiting column, one side of the movable part is provided with a sliding groove matched with the first limiting column, the outside of the second limiting column is rotatably connected to the movable part, one end of the second limiting column is movably engaged with the second fixed ring, and the outside of the third limiting column is movably engaged with the movable part.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention is provided with a second fixed ring rotating rod, a pull rod, a moving part, a limiting ring and other structures, the rotating rod is rotated, the rotating rod drives the pull rod to rotate, the first limiting column drives the limiting ring to rotate through the pull rod, the first limiting column slides along the sliding groove on the moving part, the limiting ring drives the second limiting column to rotate, the second limiting column drives the moving part to rotate along the first arc groove inside the second fixed ring, the third limiting column slides along the second arc groove inside the moving part, the moving part moves toward or disperses to the center, and gradually fits with the thickness of the laser beam, so that the laser beam of the solid laser is not easy to scatter when output;

[0018] The present invention is provided with a first convex output mirror, a first concave output mirror, a zoom ring, a filter plate, a second threaded ring and other structures. The zoom ring is rotated to change the focal length of the lens. The focus ring is rotated to manually focus around the lens, the angle is locked and focused, and then the laser body is started. The laser light beam emitted by the laser body sequentially penetrates the first convex output mirror and the first concave output mirror, then passes through the filter plate, and finally penetrates the second convex output mirror and the second concave output mirror in sequence, and finally penetrates the lens to be emitted, so as to facilitate changing the focal length of the lens and manual focusing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a structural schematic diagram of the overall cross section of the present invention;

[0021] Figure 3 It is a schematic diagram of the structure enlarged at A in the figure of the present invention;

[0022] Figure 4 This is a schematic diagram of the structure of the first fixing ring of the present invention;

[0023] Figure 5 It is a schematic diagram of the structure of the second fixing ring of the present invention;

[0024] Figure 6 It is a schematic diagram of the disassembled structure of the moving parts of the present invention.

[0025] In the figure: 1. laser body; 2. first threaded ring; 3. zoom ring; 4. first convex output mirror; 5. first concave output mirror; 6. filter plate; 7. sealing gasket; 8. second threaded ring; 9. focusing ring; 10. limit top ring; 11. second convex output mirror; 12. second concave output mirror; 13. lens; 14. first fixing ring; 15. second fixing ring; 16. rotating rod; 17. pulling rod; 18. moving part; 19. first limit column; 20. second limit column; 21. limit ring; 22. third limit column. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] like Figures 1 to 6 As shown, the present invention provides a cooling system for a solid laser, comprising a laser body 1, one end of the laser body 1 is threadedly connected with a first threaded ring 2, the outside of the first threaded ring 2 is movably connected with a zoom ring 3, the inside of the first threaded ring 2 is fixedly clamped with a first convex output mirror 4, the first threaded ring 2 is fixedly clamped with a first concave output mirror 5, one end of the inside of the first threaded ring 2 is fixedly connected with a filter plate 6, the outside of the first threaded ring 2 is fixedly connected with a sealing gasket 7, the inside of the first threaded ring 2 is threadedly connected with a second threaded ring 8, the outside of the second threaded ring 8 is rotatably connected with a focus ring 9, one end of the second threaded ring 8 is externally fixedly connected with a limited top ring 10, the inside of the second threaded ring 8 is fixedly connected with a second convex output mirror 11, the inside of the second threaded ring 8 is fixedly clamped with a second concave output mirror 12, the inside of one end of the second threaded ring 8 is internally fixedly connected with a lens 13, and the outside of one end of the second threaded ring 8 is externally fixedly connected with a first fixing ring 14;

[0028] A second fixing ring 15 is fixedly connected to the middle of the first fixing ring 14, one end of the second fixing ring 15 is movably connected to a rotating rod 16, one side of the rotating rod 16 is movably connected to a pull rod 17, one end of the pull rod 17 is movably connected to a first limiting column 19, one end of the first limiting column 19 is movably connected to a moving part 18, one end of the first limiting column 19 is fixedly connected to a limiting ring 21, the interior of the limiting ring 21 is fixedly connected to a second limiting column 20 in an annular shape, and one side of the second fixing ring 15 is fixedly connected to a third limiting column 22 in an annular shape;

[0029] The above scheme is adopted: the focal length of the lens can be changed by the zoom ring 3, the focus ring 9 is used for manual focusing around the lens 13, the zoom ring 3 is rotated to adjust to the desired angle, the focus ring 9 is rotated to lock the angle and focus, and then the laser body 1 is started, and the laser beam emitted by the laser body 1 sequentially penetrates the first convex output mirror 4 and the first concave output mirror 5, and then passes through the filter plate 6, through which the light of a specific wavelength can be selectively filtered out, thereby realizing the regulation and control of the light, and finally penetrates the second convex output mirror 11 and the second concave output mirror 12 in turn, and finally penetrates the lens 13 to emit it; the first threaded ring 2 is clamped with the first threaded ring 2 by the limit top ring 10, and the first threaded ring 2 is clamped with the first threaded ring 2 The connection with the second threaded ring 8 is fixed, and the rotating rod 16 is rotated. The rotating rod 16 drives the pull rod 17 to rotate. The first limit column 19 drives the limit ring 21 to rotate through the pull rod 17. The first limit column 19 slides along the sliding groove on the movable member 18. The limit ring 21 drives the second limit column 20 to rotate. The movable member 18 can rotate along the first arc groove through the second limit column 20. The second limit column 20 drives the movable member 18 to rotate along the first arc groove inside the second fixed ring 15. The third limit column 22 slides along the second arc groove inside the movable member 18. The movable member 18 moves toward or disperses to the center, gradually fitting with the thickness of the laser beam, so that the laser beam of the solid laser is not easy to scatter when output.

[0030] like Figure 1 , Figure 2 , Figure 3 As shown, the first convex output mirror 4 is located on the side of the first threaded ring 2 close to the laser body 1, the first concave output mirror 5 is located on the left side of the first convex output mirror 4, the first threaded ring 2 is provided with a first annular convex groove matched with the size of the first convex output mirror 4, the first threaded ring 2 is provided with a first annular groove matched with the size of the first concave output mirror 5, the filter plate 6 is located on the left side of the first concave output mirror 5, and the outside of the filter plate 6 does not contact the second threaded ring 8;

[0031] The above scheme is adopted: the first convex output mirror 4 is supported and limited by the first threaded ring 2, so that the first convex output mirror 4 can be fixed, and the first threaded ring 2 fixes the first convex output mirror 4 while fixing the first concave output mirror 5, and it can be adjusted by the zoom ring 3 when the laser beam is emitted; the first convex output mirror 4 can be installed and fixed by the first annular convex groove, and the first convex output mirror 4 is clamped with the first threaded ring 2 by the first annular convex groove, and the first convex output mirror 4 can be prevented from loosening inside the first threaded ring 2 by the first annular convex groove. In case the focus cannot be aligned with the center, the first concave output mirror 5 is also installed and fixed through the first annular groove, and the first concave output mirror 5 is fixed to prevent the first concave output mirror 5 from loosening and causing the focus to be unable to converge; the support is fixed through the first threaded ring 2, and the laser light beam emitted by the laser body 1 penetrates the first convex output mirror 4, the first concave output mirror 5, and then penetrates the filter plate 6 in sequence, and the light of the emitted laser light beam is filtered by the filter plate 6. The light of a specific wavelength can be selectively filtered out by the filter plate 6, thereby realizing the regulation and control of the light.

[0032] like Figure 2 , Figure 3 As shown, one side of the sealing gasket 7 is in contact with the second threaded ring 8, one side of the second threaded ring 8 is provided with an extrusion groove that matches the size of the sealing gasket 7, the outside of the limiting top ring 10 is clamped with the inside of the first threaded ring 2, the inside of the first threaded ring 2 is provided with an annular limiting groove that matches the size of the limiting top ring 10, the inside of the second threaded ring 8 is provided with a second annular convex groove that matches the size of the second convex output mirror 11, and the inside of the second threaded ring 8 is provided with a second annular groove that matches the size of the second concave output mirror 12;

[0033] The above scheme is adopted: when the second threaded ring 8 is threadedly connected with the first threaded ring 2, the sealing gasket 7 is clamped through the extrusion groove on one side of the first threaded ring 2 and the second threaded ring 8, and a sealing layer is formed at the junction of the first threaded ring 2 and the second threaded ring 8 by the sealing gasket 7 to ensure that external factors will not affect the emission of light; the limiting top ring 10 is clamped with the first threaded ring 2 to fix the junction of the first threaded ring 2 and the second threaded ring 8, and at the same time, when the first threaded ring 2 and the second threaded ring 8 are threadedly connected, it can be ensured that the first threaded ring 2 and the second threaded ring 8 are on the same horizontal line, so that In the connection between the first threaded ring 2 and the second threaded ring 8, the limiting top ring 10 is limited and fixed by the annular limiting groove; the second convex output mirror 11 can be installed and fixed by the second annular convex groove, and the second convex output mirror 11 is clamped with the second threaded ring 8 by the second annular convex groove. The second annular convex groove can prevent the second convex output mirror 11 from loosening inside the second threaded ring 8 and causing the focus to be unable to be aligned with the center. The second concave output mirror 12 is also installed and fixed by the first annular groove. The second concave output mirror 12 is fixed to prevent the second concave output mirror 12 from loosening and causing the focus to be unable to converge.

[0034] like Figure 2 , Figure 4 , Figure 5 , Figure 6 As shown, the lens 13 is located on one side of the second concave output mirror 12, the inner diameter of the lens 13 is equal to the inner diameter of the lens 13, the second fixing ring 15 is annularly distributed and has a first arc groove adapted to the size of the second limiting column 20, the interior of the moving member 18 is provided with a second arc groove adapted to the size of the third limiting column 22, one side of the moving member 18 is provided with a sliding groove adapted to the first limiting column 19, the outer portion of the second limiting column 20 is rotatably connected to the moving member 18, one end of the second limiting column 20 is movably engaged with the second fixing ring 15, and the outer portion of the third limiting column 22 is movably engaged with the moving member 18;

[0035] The above scheme is adopted: after the laser beam is filtered by the filter plate 6, it passes through the second convex output mirror 11, the second concave output mirror 12 in sequence, and finally passes through the lens 13 to be emitted. The laser can be focused to a very small point through the lens 13, so that accurate aiming at the target can be achieved; the movable part 18 can rotate along the first arc groove through the second limit column 20, the first limit column 19 can drive the limit ring 21 to rotate through the pull rod 17, the first limit column 19 slides along the sliding groove on the movable part 18, and the third limit column 22 slides along the second arc groove inside the movable part 18.

[0036] The working principle and use process of the present invention:

[0037] First, the staff rotates the zoom ring 3 to adjust to the desired angle, rotates the focus ring 9 to lock the angle and focus, and then starts the laser body 1. The laser beam emitted by the laser body 1 sequentially penetrates the first convex output mirror 4, the first concave output mirror 5, and then passes through the filter plate 6, and finally penetrates the second convex output mirror 11, the second concave output mirror 12, and finally penetrates the lens 13 to be emitted;

[0038] After the laser beam is emitted, the rotating rod 16 can be rotated, and the rotating rod 16 drives the pull rod 17 to rotate, and the first limiting column 19 drives the limiting ring 21 to rotate through the pull rod 17. At this time, the first limiting column 19 slides along the sliding groove on the moving part 18, and the limiting ring 21 drives the second limiting column 20 to rotate, and the second limiting column 20 drives the moving part 18 to rotate along the first arc groove inside the second fixed ring 15;

[0039] When the moving member 18 rotates along the first arc groove through the second limiting post 20, the third limiting post 22 slides along the second arc groove inside the moving member 18. At this time, the moving member 18 moves toward or disperses to the center, gradually fitting with the thickness of the laser beam to complete the operation.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling system for a solid-state laser, comprising a laser body (1), Features: One end of the laser body (1) is threadedly connected to a first threaded ring (2), the outside of the first threaded ring (2) is movably connected to a zoom ring (3), the inside of the first threaded ring (2) is fixedly clamped with a first convex output mirror (4), the first threaded ring (2) is fixedly clamped with a first concave output mirror (5), one end of the inside of the first threaded ring (2) is fixedly connected to a filter plate (6), the outside of the first threaded ring (2) is fixedly connected to a sealing gasket (7), and the inside of the first threaded ring (2) is threadedly connected to A second threaded ring (8), the outside of the second threaded ring (8) is rotatably connected to a focus ring (9), one end of the second threaded ring (8) is externally fixedly connected to a limit top ring (10), the inside of the second threaded ring (8) is internally fixedly connected to a second convex output mirror (11), the inside of the second threaded ring (8) is internally fixedly clamped to a second concave output mirror (12), one end of the second threaded ring (8) is internally fixedly connected to a lens (13), and one end of the second threaded ring (8) is externally fixedly connected to a first fixing ring (14); The middle part of the first fixing ring (14) is fixedly connected to the second fixing ring (15), one end of the second fixing ring (15) is movably connected to a rotating rod (16), one side of the rotating rod (16) is movably connected to a pulling rod (17), one end of the pulling rod (17) is movably connected to a first limiting column (19), one end of the first limiting column (19) is movably connected to a moving part (18), one end of the first limiting column (19) is fixedly connected to a limiting ring (21), the interior of the limiting ring (21) is fixedly connected to a second limiting column (20) in an annular arrangement, and one side of the second fixing ring (15) is fixedly connected to a third limiting column (22) in an annular arrangement.

2. The cooling system of the solid-state laser according to claim 1, Features: The first convex output mirror (4) is located inside the first threaded ring (2) on a side close to the laser body (1), and the first concave output mirror (5) is located on the left side of the first convex output mirror (4).

3. The cooling system of the solid-state laser according to claim 1, Features: A first annular convex groove matching the size of the first convex output mirror (4) is provided inside the first threaded ring (2), and a first annular concave groove matching the size of the first concave output mirror (5) is provided inside the first threaded ring (2).

4. The cooling system of the solid-state laser according to claim 1, Features: The filter plate (6) is located on the left side of the first concave output mirror (5), and the exterior of the filter plate (6) does not contact the second threaded ring (8).

5. The cooling system of the solid-state laser according to claim 1, Features: One side of the sealing gasket (7) is in contact with the second threaded ring (8), and one side of the second threaded ring (8) is provided with an extrusion groove that matches the size of the sealing gasket (7).

6. The cooling system of the solid-state laser according to claim 1, Features: The exterior of the limiting top ring (10) is clamped with the interior of the first threaded ring (2), and the interior of the first threaded ring (2) is provided with an annular limiting groove that matches the size of the limiting top ring (10).

7. The cooling system for a solid-state laser according to claim 1, Features: A second annular convex groove matching the size of the second convex output mirror (11) is provided inside the second threaded ring (8), and a second annular concave groove matching the size of the second concave output mirror (12) is provided inside the second threaded ring (8).

8. The cooling system for a solid-state laser according to claim 1, Features: The lens (13) is located on one side of the second concave output mirror (12), and the inner diameter of the lens (13) is equal to the inner diameter of the lens (13).

9. The cooling system for a solid-state laser according to claim 1, Features: The second fixed ring (15) is provided with a first arc groove which is matched with the size of the second limiting column (20) in an annular distribution; the interior of the movable member (18) is provided with a second arc groove which is matched with the size of the third limiting column (22); one side of the movable member (18) is provided with a sliding groove which is matched with the first limiting column (19); the exterior of the second limiting column (20) is rotatably connected to the movable member (18); one end of the second limiting column (20) is movably engaged with the second fixed ring (15); and the exterior of the third limiting column (22) is movably engaged with the movable member (18).

10. A solid-state laser, Features: A cooling system comprising any one of claims 1-9.

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