CN-224217890-U - Precise adjusting structure of middle infrared laser

CN224217890UCN 224217890 UCN224217890 UCN 224217890UCN-224217890-U

Abstract

The utility model discloses a precise adjusting structure of a middle infrared laser, which relates to the technical field of lasers and comprises a laser main body, a cavity mirror assembly, an adjusting assembly and a linkage assembly, wherein the laser main body is used for generating middle infrared laser, the cavity mirror assembly comprises a total reflecting mirror arranged at one end of the laser main body and an output reflecting mirror arranged at the other end of the laser main body, a resonant cavity is formed between the total reflecting mirror and the output reflecting mirror so as to enable the middle infrared laser to be stably output, the adjusting assembly comprises a first adjusting part and a second adjusting part, the first adjusting part is connected with the output reflecting mirror so as to drive the output reflecting mirror to rotate, the second adjusting part is connected with the total reflecting mirror so as to drive the total reflecting mirror to rotate, and the linkage assembly is arranged between the first adjusting part and the second adjusting part so as to enable the first adjusting part and the second adjusting part to synchronously rotate. The technical scheme provided by the utility model solves the problem that the existing mid-infrared laser cannot meet the use requirements of different scenes.

Inventors

MAO SEN
Tan Wulie
LU KAIKAI
MAO HU
JIAO YINGHAO

Assignees

深圳市利拓光电有限公司

Dates

Publication Date: 20260508
Application Date: 20250423

Claims (10)

1. A fine adjustment structure of a mid-infrared laser, comprising: a laser body for generating a mid-infrared laser; The cavity mirror assembly comprises a total reflecting mirror arranged at one end of the laser main body and an output reflecting mirror arranged at the other end of the laser main body, and a resonant cavity is formed between the total reflecting mirror and the output reflecting mirror so as to enable the mid-infrared laser to be stably output; An adjusting assembly comprising a first adjusting part and a second adjusting part, wherein the first adjusting part is connected with the output reflector to drive the output reflector to rotate, the second adjusting part is connected with the total reflector to drive the total reflector to rotate, and And the linkage assembly is arranged between the first adjusting part and the second adjusting part, so that the first adjusting part and the second adjusting part synchronously rotate.
2. The fine tuning structure of a mid-infrared laser of claim 1, wherein said linkage assembly comprises: The second adjusting component is provided with a through avoidance hole, and one end of the rotating rod penetrates through the avoidance hole and is connected with the first adjusting component; A driving part drivingly connected with the other end of the rotating rod to drive the rotating rod to rotate so that the first adjusting part follows the rotating rod to rotate, and The limiting block is arranged on the second adjusting part and is provided with a limiting hole communicated with the avoidance hole, the limiting block is arranged on the outer surface of the rotating rod and extends along the length direction of the rotating rod, and the limiting block is abutted to the side wall of the limiting hole so that the second adjusting part can rotate along with the rotating rod.
3. The fine adjustment structure of a mid-infrared laser according to claim 2, wherein the first adjustment member includes a first bevel gear connected to the rotation lever, a second bevel gear meshed with the first bevel gear, and a first rotation lever connected to the second bevel gear, the first rotation lever being connected to the output mirror; The second adjusting part comprises a third bevel gear sleeved on the outer peripheral surface of the rotating rod, a fourth bevel gear meshed with the third bevel gear, and a second rotating rod connected with the fourth bevel gear, and the second rotating rod is connected with the total reflecting mirror.
4. The fine adjustment structure of a mid-infrared laser as set forth in claim 3, further comprising a T-shaped tube sleeve having a first port, a second port and a third port in communication, the rotating rod passing through the first port and the second port, the third bevel gear being movably connected to an inner side wall of the second port by a bearing, the fourth bevel gear being movably connected to an inner side wall of the third port by a bearing, the T-shaped tube sleeve being movably connected to the rotating rod so that a distance between the total reflecting mirror and the output reflecting mirror is adjustable.
5. The fine adjustment structure of a mid-infrared laser as defined in claim 4, further comprising a housing having an accommodating space, wherein the laser body, the endoscope assembly and the adjustment assembly are disposed in the accommodating space.
6. The fine tuning structure of the mid-infrared laser according to claim 5, wherein the housing is provided with a movable slot communicating with the outside, the T-shaped tube sleeve is provided with an extension portion, and the extension portion extends toward the outside through the movable slot.
7. The fine adjustment structure of a mid-infrared laser as set forth in claim 6, further comprising a stopper provided at the extension of the T-shaped pipe sleeve, the stopper abutting against the side wall of the housing to restrict movement of the T-shaped pipe sleeve, or the stopper being separated from the side wall of the housing to move the T-shaped pipe sleeve.
8. The fine adjustment structure of claim 7, wherein the side wall of the housing is provided with a plurality of positioning holes at intervals along the length direction of the housing, and the stopper comprises a spring pin movably connected with the positioning holes.
9. The fine adjustment structure of a mid-infrared laser as defined in claim 5, further comprising a support assembly disposed within said housing for supporting said first adjustment member and said linkage assembly.
10. The fine tuning structure of a mid-infrared laser of claim 9, wherein said support assembly comprises: a first supporting block, one end of which is fixedly connected with the inner side wall of the shell, the other end of which is movably connected with the first adjusting part, and The second supporting block, the one end of second supporting block with casing inside wall fixed connection, the other end of second supporting block with linkage subassembly swing joint.

Description

Precise adjusting structure of middle infrared laser Technical Field The utility model relates to the technical field of lasers, in particular to a precise adjusting structure of a middle infrared laser. Background Mid-infrared lasers are not alternatives in the fields of molecular spectroscopic analysis, medical diagnostics (e.g., CO2 laser surgery), industrial precision machining (thermal decomposition of materials), free-space optical communications, and the like. Existing mid-infrared lasers typically require pre-adjustment of the angle and spacing of the total reflection mirror (HR) and the output mirror (OC) prior to use to ensure a stable output of the laser. However, in the use process, the existing mid-infrared laser cannot meet the use requirements of different scenes. Disclosure of utility model The utility model mainly aims to provide a precise adjusting structure of a middle infrared laser, and aims to solve the problem that the existing middle infrared laser cannot meet the use requirements of different scenes. In order to achieve the above object, the present utility model provides a precise adjustment structure of a mid-infrared laser, comprising: a laser body for generating a mid-infrared laser; The cavity mirror assembly comprises a total reflecting mirror arranged at one end of the laser main body and an output reflecting mirror arranged at the other end of the laser main body, and a resonant cavity is formed between the total reflecting mirror and the output reflecting mirror so as to enable the mid-infrared laser to be stably output; An adjusting assembly comprising a first adjusting part and a second adjusting part, wherein the first adjusting part is connected with the output reflector to drive the output reflector to rotate, the second adjusting part is connected with the total reflector to drive the total reflector to rotate, and And the linkage assembly is arranged between the first adjusting part and the second adjusting part, so that the first adjusting part and the second adjusting part synchronously rotate. In one embodiment, the linkage assembly includes: The second adjusting component is provided with a through avoidance hole, and one end of the rotating rod penetrates through the avoidance hole and is connected with the first adjusting component; A driving part drivingly connected with the other end of the rotating rod to drive the rotating rod to rotate so that the first adjusting part follows the rotating rod to rotate, and The limiting block is arranged on the second adjusting part and is provided with a limiting hole communicated with the avoidance hole, the limiting block is arranged on the outer surface of the rotating rod and extends along the length direction of the rotating rod, and the limiting block is abutted to the side wall of the limiting hole so that the second adjusting part can rotate along with the rotating rod. In one embodiment, the first adjusting part comprises a first bevel gear connected with the rotating rod, a second bevel gear meshed with the first bevel gear, and a first rotating rod connected with the second bevel gear, and the first rotating rod is connected with the output reflecting mirror; The second adjusting part comprises a third bevel gear sleeved on the outer peripheral surface of the rotating rod, a fourth bevel gear meshed with the third bevel gear, and a second rotating rod connected with the fourth bevel gear, and the second rotating rod is connected with the total reflecting mirror. In an embodiment, the precise adjustment structure of the mid-infrared laser further comprises a T-shaped pipe sleeve, the T-shaped pipe sleeve is provided with a first port, a second port and a third port which are communicated with each other, the rotating rod penetrates through the first port and the second port, the third bevel gear is movably connected with the inner side wall of the second port through a bearing, the fourth bevel gear is movably connected with the inner side wall of the third port through a bearing, and the T-shaped pipe sleeve is movably connected with the rotating rod so that the distance between the total reflecting mirror and the output reflecting mirror is adjustable. In an embodiment, the precise adjustment structure of the mid-infrared laser further comprises a housing provided with an accommodating space, and the laser main body, the cavity mirror assembly and the adjustment assembly are arranged in the accommodating space. In an embodiment, the shell is provided with a movable groove communicated with the outside, the T-shaped pipe sleeve is provided with an extension part, and the extension part penetrates through the movable groove to extend towards the outside. In an embodiment, the precise adjustment structure of the mid-infrared laser further includes a limiting member disposed on the extension portion of the T-shaped pipe sleeve, where the limiting member abuts against the side wall of the housing to limit the movem