Vacuum laser device

Abstract

The utility model discloses a vacuum laser device, and relates to the technical field of lasers. Comprising a shell, a laser condensation cavity is formed in the shell, a crystal bar with the two ends penetrating through an inner cavity of the shell is installed in the laser condensation cavity, crystal bar pressing blocks for pressing the crystal bar are installed on the two sides of the shell, a sealing barrel is installed on the crystal bar pressing blocks, the crystal bar stretches into the sealing barrel, and an air nozzle used for vacuumizing is installed on the crystal bar pressing blocks. A pumping xenon lamp is further installed in the laser condensation cavity, and water cooling mechanisms are installed on the two sides of the bottom of the shell. According to the vacuum laser device, the crystal bar can be sealed in a vacuum mode, the influence of environmental dust and humidity can be avoided, the stability of laser energy output is ensured, the stability and the service life of the laser are ensured, the laser can be conveniently cooled by installing the water cooling mechanisms on the two sides of the bottom of the shell, and heat dissipation of the laser is promoted.

Description

Technical Field

[0001] This utility model relates to the field of laser technology, specifically a vacuum laser device. Background Technology

[0002] A laser is a device that can emit laser light. A laser is a device or apparatus that generates optical oscillation and emits laser light through optical feedback formed by a resonant cavity or other means in a certain material that can produce stimulated emission amplification of photons. The material that can produce stimulated emission amplification is the working material of the laser.

[0003] When using lasers, the working environment is often affected by factors such as dust and moisture, which can easily lead to damage to the laser crystal coating and lens coating, thus affecting the stability of laser energy output. To prevent dust, most existing lasers are covered with dustproof shells. However, there are gaps between the laser's output nozzle and the dustproof shell, which can allow dust to enter the laser and cause damage. Summary of the Invention

[0004] This invention provides a vacuum laser device to solve the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a vacuum laser device, comprising a housing, wherein a laser focusing cavity is formed inside the housing, a crystal rod with both ends passing through the inner cavity of the housing is installed inside the laser focusing cavity, crystal rod pressing blocks are installed on both sides of the housing to press the crystal rod, a sealing cylinder into which the crystal rod extends is installed on the crystal rod pressing blocks, a gas nozzle for evacuating vacuum is installed on the crystal rod pressing blocks, a pump xenon lamp is also installed inside the laser focusing cavity, and water cooling mechanisms are installed on both sides of the bottom of the housing.

[0006] Furthermore, the water-cooling mechanism includes an end head and water-cooling connectors. The end head is installed at the bottom of the housing, and two water-cooling connectors are installed at the bottom of the end head. A water-cooling flow channel is formed inside the end head to cooperate with the two water-cooling connectors.

[0007] Furthermore, both ends of the pump xenon lamp pass through the housing, and lamp pressure blocks are installed on both sides of the housing.

[0008] Furthermore, the inner wall of the laser focusing cavity has a diffuse reflector.

[0009] Furthermore, the diffuse reflector is made of quartz.

[0010] Furthermore, the diffuse reflector is a ceramic reflector.

[0011] Furthermore, a window is installed inside the sealed cylinder on one side of the end of the crystal rod.

[0012] Furthermore, a sealing ring is fitted inside the sealed cylinder on the side of the window plate close to the crystal rod.

[0013] Furthermore, the inner cavity of the sealing cylinder is equipped with a clamping screw for clamping the window plate.

[0014] Furthermore, one end of the crystal rod is coated with an output film, and the other end is coated with a total reflection film.

[0015] Compared with the prior art, the present invention provides a vacuum laser device with the following advantages:

[0016] This vacuum laser device allows the crystal rod to be vacuum-sealed, preventing the influence of environmental dust and humidity, thus ensuring stable laser energy output and guaranteeing the stability and lifespan of the laser.

[0017] This vacuum laser device can easily cool the laser by installing water-cooling mechanisms on both sides of the bottom of the housing, thereby promoting the heat dissipation of the laser. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a bottom plan view of the present invention;

[0020] Figure 3 This is a side view of the present invention.

[0021] Figure 4 This is a schematic diagram of the structure of the crystal rod pressing block of this utility model;

[0022] Figure 5 This is a side view of the crystal rod pressing block of this utility model.

[0023] In the diagram: 1. Housing; 2. Laser focusing cavity; 3. Crystal rod; 4. Pump xenon lamp; 5. Crystal rod clamping block; 6. End; 7. Water-cooled connector; 8. Lamp clamping block; 9. Diffuse reflector; 10. Sealing cylinder; 11. Window plate; 12. Sealing ring; 13. Clamping screw; 14. Air nozzle. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5 This utility model discloses a vacuum laser device, including a housing 1. A laser focusing cavity 2 is formed inside the housing 1. A crystal rod 3 with both ends passing through the inner cavity of the housing 1 is installed inside the laser focusing cavity 2. Crystal rod clamping blocks 5 are installed on both sides of the housing 1 to press down the crystal rod 3. A sealing cylinder 10 into which the crystal rod 3 extends is installed on the crystal rod clamping blocks 5. A vacuum nozzle 14 for evacuating is installed on the crystal rod clamping blocks 5. A pump xenon lamp 4 is also installed inside the laser focusing cavity 2. Water cooling mechanisms are installed on both sides of the bottom of the housing 1. In this vacuum laser device, the crystal rod 3 can be vacuum-sealed, avoiding the influence of environmental dust and humidity, thus ensuring stable laser energy output and guaranteeing the stability and lifespan of the laser. By installing water cooling mechanisms on both sides of the bottom of the housing 1, the laser can be easily cooled, promoting heat dissipation.

[0026] The inner wall of the laser focusing cavity 2 has a diffuse reflector 9.

[0027] One end of the crystal rod 3 is coated with an output film, and the other end is coated with a total reflection film. The output film can be an antireflection film.

[0028] The crystal rod briquettes 5 are made of high-strength SUS304 material.

[0029] A hole is made on the crystal rod pressing block 5 that communicates with the sealing cylinder 10, and the end of the crystal rod 3 extends into the hole.

[0030] Specifically, the water-cooling mechanism includes an end head 6 and water-cooling connectors 7. The end head 6 is installed at the bottom of the housing 1, and two water-cooling connectors 7 are installed at the bottom of the end head 6. A water-cooling flow channel that mates with the two water-cooling connectors 7 is formed inside the end head 6.

[0031] The water-cooled connector 7 can be threaded to the bottom of the end 6, that is, the bottom of the end 6 has a connecting screw hole, and the end of the water-cooled connector 7 has an external threaded connector. A sealing gasket is provided at the connection between the water-cooled connector 7 and the end 6.

[0032] In this embodiment, by connecting the water-cooled connector 7 to the corresponding water-cooled circulating heat sink, the water-cooled laser can cool the laser and promote heat dissipation.

[0033] Specifically, the pump xenon lamp 4 has two ends that pass through the housing 1, and lamp pressure blocks 8 are installed on both sides of the housing 1.

[0034] In this embodiment, the end of the pump xenon lamp 4 passes through the lamp pressure block 8, and the inner wall of the lamp pressure block 8 is fitted with a sealing gasket that cooperates with the pump xenon lamp 4 to seal it.

[0035] Specifically, the diffuse reflector 9 is made of quartz.

[0036] In this embodiment, the laser focusing cavity 2 can be a quartz focusing cavity, and the surface of the diffuse reflector 9 can be coated with one of the following: magnesium oxide powder, barium sulfate powder, etc.

[0037] Specifically, the diffuse reflector 9 is a ceramic reflector.

[0038] In this embodiment, the ceramic reflector makes the laser focusing cavity 2 a ceramic focusing cavity.

[0039] Specifically, a window 11 located on one side of the end of the crystal rod 3 is installed inside the sealed cylinder 10.

[0040] The inner cavity of the sealing cylinder 10 is fitted with a sealing ring 12 on the side of the window plate 11 that is close to the crystal rod 3.

[0041] The inner cavity of the sealing cylinder 10 is equipped with a clamping screw 13 for clamping the window plate 11.

[0042] In this embodiment, a hole communicating with the sealing cylinder 10 is opened on the crystal rod pressing block 5. The diameter of the hole is smaller than the diameter of the sealing cylinder 10. The sealing ring 12 is placed in the inner cavity of the sealing cylinder 10 and is located at the connection between the inner cavity of the sealing cylinder 10 and the hole. It is pressed by the window plate 11. The inner cavity of the sealing cylinder 10 is equipped with a clamping screw 13, which can press the window plate 11 tightly to ensure the stability of the sealing ring 12.

[0043] The nozzle 14 is connected to the hole. The nozzle 14 can be used for vacuuming and filling with nitrogen to seal the crystal rod 3 and prevent the coating at the end of the crystal rod 3 from being damaged by environmental dust and humidity.

[0044] In summary, this vacuum laser device allows the crystal rod 3 to be vacuum-sealed, preventing the influence of environmental dust and humidity, thus ensuring stable laser energy output and guaranteeing the stability and lifespan of the laser. By installing water-cooling mechanisms on both sides of the bottom of the housing 1, the laser can be easily cooled, thereby promoting heat dissipation.

[0045] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vacuum laser device, comprising a housing (1), characterized in that: The interior of the housing (1) forms a laser focusing cavity (2). A crystal rod (3) with both ends passing through the inner cavity of the housing (1) is installed in the laser focusing cavity (2). Crystal rod pressing blocks (5) that press down the crystal rod (3) are installed on both sides of the housing (1). A sealed cylinder (10) into which the crystal rod (3) extends is installed on the crystal rod pressing block (5). A gas nozzle (14) for evacuating vacuum is installed on the crystal rod pressing block (5). A pump xenon lamp (4) is also installed in the laser focusing cavity (2). Water cooling mechanisms are installed on both sides of the bottom of the housing (1).

2. The vacuum laser device according to claim 1, characterized in that: The water cooling mechanism includes an end head (6) and a water cooling connector (7). The end head (6) is installed at the bottom of the housing (1), and two water cooling connectors (7) are installed at the bottom of the end head (6). A water cooling channel that mates with the two water cooling connectors (7) is formed inside the end head (6).

3. The vacuum laser device according to claim 1, characterized in that: The pump xenon lamp (4) has two ends that pass through the housing (1), and lamp pressure blocks (8) are installed on both sides of the housing (1).

4. The vacuum laser device according to claim 1, characterized in that: The inner wall of the laser focusing cavity (2) has a diffuse reflector (9).

5. A vacuum laser device according to claim 4, characterized in that: The diffuse reflector (9) is made of quartz.

6. A vacuum laser device according to claim 4, characterized in that: The diffuse reflector (9) is a ceramic reflector.

7. A vacuum laser device according to claim 1, characterized in that: A window (11) is installed inside the sealed cylinder (10) on one side of the end of the crystal rod (3).

8. A vacuum laser device according to claim 7, characterized in that: The inner cavity of the sealing cylinder (10) is fitted with a sealing ring (12) on the side of the window plate (11) close to the crystal rod (3).

9. A vacuum laser device according to claim 7, characterized in that: The inner cavity of the sealing cylinder (10) is fitted with a clamping screw (13) for the clamping window plate (11).

10. A vacuum laser device according to claim 1, characterized in that: One end of the crystal rod (3) is coated with an output film, and the other end is coated with a total reflection film.

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