CN212571681U - Adjusting device for laser total reflection mirror, resonant cavity assembly and laser - Google Patents
Adjusting device for laser total reflection mirror, resonant cavity assembly and laser Download PDFInfo
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- CN212571681U CN212571681U CN202021370048.9U CN202021370048U CN212571681U CN 212571681 U CN212571681 U CN 212571681U CN 202021370048 U CN202021370048 U CN 202021370048U CN 212571681 U CN212571681 U CN 212571681U
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Abstract
The utility model provides an adjusting device, resonant cavity subassembly and laser instrument for laser instrument is anti-mirror entirely. According to the utility model discloses an adjusting device for laser instrument total reflection mirror, include: the adjusting device comprises a base and an adjusting component, wherein the matching end surface of the base is provided with a first matching part; adjusting part is located to the total reflection mirror, and adjusting part and base movably are connected, and adjusting part is equipped with second cooperation portion towards the one end of mating surface, and second cooperation portion and the cooperation of the rotationally sphere of first cooperation portion to make adjusting part drive the total reflection mirror and carry out angle modulation. According to the utility model discloses an adjusting device for laser instrument is totally reflected mirror, through the cooperation of being connected of base and adjusting part, can improve the fixed mechanical stability of totally reflecting mirror. Moreover, the relative position can be adjusted through the rotation of first cooperation portion and second cooperation portion between adjusting part and the base to can drive the full reflection mirror and carry out the direction of multi-angle and adjust, improve the convenience that the full reflection mirror was adjusted.
Description
Technical Field
The utility model relates to a laser instrument technical field especially relates to an adjusting device, resonant cavity subassembly and laser instrument that is used for laser instrument total reflection mirror.
Background
Small and miniature laser range finders and laser cameras have relatively wide application. As a core device of the laser range finder, a small micro laser is indispensable. Whether the laser resonant cavity is stable and reliable is a key factor for the stability and reliability of the laser. The total reflection mirror is used as an important component of the laser resonant cavity, and the adjustability and the mechanical stability of the total reflection mirror seat must meet the requirements at the same time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is how to improve the mechanical stability and the regulation convenience of total reflection mirror, the utility model provides an adjusting device, resonant cavity subassembly and laser instrument for laser instrument total reflection mirror.
According to the utility model discloses an adjusting device for laser instrument total reflection mirror, include:
the matching end surface of the base is provided with a first matching part;
adjusting part, the mirror that reflects entirely is located adjusting part, adjusting part with base movably connects, the adjusting part orientation the one end of counterface is equipped with second cooperation portion, second cooperation portion with the cooperation of the rotationally sphere of first cooperation portion, so that adjusting part drives the mirror that reflects entirely carries out the angle modulation.
According to the utility model discloses an adjusting device for laser instrument is totally reflected mirror, through the cooperation of being connected of base and adjusting part, can improve the fixed mechanical stability of totally reflecting mirror. Moreover, the relative position can be adjusted through the rotation of first cooperation portion and second cooperation portion between adjusting part and the base to can drive the full reflection mirror and carry out the direction of multi-angle and adjust, improve the convenience that the full reflection mirror was adjusted.
According to some embodiments of the present invention, the mating end surface is partially recessed to form the first mating portion, and the first mating portion is a hemispherical concave surface;
the second matching part is a hemispherical convex block which is arranged at one end of the adjusting component facing the matching end face.
In some embodiments of the present invention, the adjusting member comprises:
the main part, the main part is cylindrical, the main part has the through-hole that the axial direction link up, the total reflection mirror is located in the through-hole of main part, second cooperation portion is located the orientation of main part the one end of mating surface, second cooperation portion have with the relative logical unthreaded hole of through-hole.
According to some embodiments of the invention, the adjustment member further comprises:
the assembly portion, the assembly portion is located on the periphery wall of main part, the assembly portion is equipped with first pilot hole, the base be equipped with the second pilot hole that first pilot hole corresponds, adjusting part with the base passes through the fastener first pilot hole with the second pilot hole is connected.
In some embodiments of the present invention, the assembling portion is a plurality of assembling portions, and the assembling portions are arranged at intervals along a circumferential direction of the main body portion.
According to some embodiments of the utility model, the assembly portion is four, arbitrary adjacent two the assembly portion is followed the contained angle of the circumferential direction of main part is 90.
In some embodiments of the present invention, the second fitting portion and the assembling portion are disposed at an interval along an axial direction of the main body portion, and an outer diameter of the main body portion is smaller than a radius of the second fitting portion.
According to some embodiments of the invention, the adjustment member and the base are kovar alloy pieces.
According to the utility model discloses a resonant cavity subassembly for laser instrument, including arranging the setting in proper order: a total reflection mirror assembly, a Q-switching crystal, a working substance and an output mirror assembly,
the total reflection mirror assembly comprises a total reflection mirror and the adjusting device for the total reflection mirror of the laser, the total reflection mirror is arranged in the adjusting part of the adjusting device, and the adjusting part can drive the total reflection mirror to adjust the angle.
According to the utility model discloses a be used for resonant cavity subassembly of laser instrument, output mirror subassembly passes through the base and cooperates with being connected of adjusting part, can improve the fixed mechanical stability of total reflection mirror. Moreover, the relative position can be adjusted through the spherical surface matching rotation of the first matching part and the second matching part between the adjusting part and the base, so that the full-reflecting mirror can be driven to adjust the continuous direction at multiple angles, and the convenience of adjusting the full-reflecting mirror is improved.
According to the utility model discloses laser instrument, include: and the resonant cavity component is the resonant cavity component for the laser.
According to the utility model discloses laser instrument, output mirror subassembly passes through the base and cooperates with being connected of adjusting part, can improve the fixed mechanical stability of total reflection mirror. Moreover, the relative position can be adjusted through the spherical surface matching rotation of the first matching part and the second matching part between the adjusting part and the base, so that the full-reflection mirror can be driven to adjust the continuous directions at multiple angles, the convenience of adjusting the full-reflection mirror is improved, the full-reflection mirror and the output mirror of the laser can be conveniently aligned and adjusted, and the overall performance of the laser is improved.
Drawings
Fig. 1 is an exploded view of an adjustment device for a laser total reflection mirror according to an embodiment of the present invention;
fig. 2 is a first directional perspective view of an adjustment member of an adjustment device according to an embodiment of the present invention;
fig. 3 is a second directional perspective view of an adjustment member of an adjustment device according to an embodiment of the present invention;
fig. 4 is a first directional perspective view of a base of an adjustment device according to an embodiment of the present invention;
fig. 5 is a second directional perspective view of a base of an adjustment device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a resonator assembly of a laser according to an embodiment of the present invention.
Reference numerals:
the adjustment device 100 is provided with a plurality of adjustment elements,
the base 10, the through hole 101, the fitting end surface 110, the first fitting portion 111, the second fitting hole 112;
the adjusting component 20, the main body part 210, the second matching part 220, the light through hole 221, the assembling part 230 and the first assembling hole 231;
a total reflection mirror 400;
a resonant cavity assembly 1000;
the all-mirror assembly 500, the Q-switching crystal 600, the working substance 700 and the output mirror assembly 800.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.
The alignment accuracy of the total reflection mirror and the output mirror of the laser resonator is extremely high, within a few seconds. This requires the resonator mirrors to be adjustable in the required direction. In addition, the laser output must be stable and reliable in the harsh detection and use environment of the laser.
In the related art, the total reflection lens mount is generally divided into two types:
one is a structure adopting two jackscrews and two drawn wires, the adjustability of the total reflection mirror can be basically met, but the mechanical stability is poor, and the detuning of a laser resonant cavity is often caused in tests of impact vibration, high and low temperature and the like of military laser.
The other method is to adopt a simple locking screw and then adjust the mirror by a metal foil cushion mode, so that the mechanical stability can be basically ensured, but the adjustability of the total reflection mirror is poor. Because the metal foil has certain thickness, the problem that the precision is poor and the adjustment is difficult to realize by increasing or decreasing the metal foil to adjust the total reflection mirror.
To in the correlation technique, the problem inconvenient, the mechanical stability is poor is adjusted to the total reflection mirror, the utility model provides an adjusting device, resonant cavity subassembly and laser instrument for laser instrument total reflection mirror.
As shown in fig. 1, an adjusting apparatus 100 for a laser total reflection mirror 400 according to an embodiment of the present invention includes: a base 10 and an adjustment member 20.
As shown in fig. 1 and 4, the mating end surface 110 of the base 10 has a first mating portion 111. The term "mating end surface 110 of the base 10" as used herein is to be understood as an end surface of the base 10 facing the adjusting member 20 for mating connection with the adjusting member 20.
As shown in fig. 2, the total reflection mirror 400 is disposed on the adjusting component 20, the adjusting component 20 is movably connected with the base 10, one end of the adjusting component 20 facing the mating end surface 110 is provided with a second mating portion 220, and the second mating portion 220 is rotatably and spherically mated with the first mating portion 111, so that the adjusting component 20 drives the total reflection mirror 400 to perform angle adjustment.
According to the utility model discloses an adjusting device 100 for laser instrument total reflection mirror 400, through base 10 and adjusting part 20's the cooperation of being connected, can improve the mechanical stability that total reflection mirror 400 is fixed. Moreover, the relative position between the adjusting component 20 and the base 10 can be adjusted by rotating the first matching part 111 and the second matching part 220, so that the full-reflecting mirror 400 can be driven to adjust in multiple directions, and the convenience of adjusting the full-reflecting mirror 400 is improved.
According to some embodiments of the present invention, as shown in fig. 1, the mating surface 110 is partially recessed to form a first mating portion 111, and the first mating portion 111 is a hemispherical concave surface. Accordingly, as shown in fig. 1, the second fitting portion 220 is a hemispherical projection provided at an end of the adjustment member 20 facing the fitting end surface 110. Therefore, the adjusting component 20 can drive the total reflection mirror 400 to rotate and adjust along multiple directions such as up, down, left, right and the like through spherical surface matching between the first matching part 111 and the second matching part 220, and the diversity and convenience of angle adjustment of the total reflection mirror 400 are improved.
In some embodiments of the present invention, as shown in fig. 1 and 2, the adjusting member 20 includes: the main body 210 is cylindrical, the main body 210 has a through hole 101 penetrating in the axial direction, the half mirror 400 is disposed in the through hole 101 of the main body 210, the second fitting portion 220 is located at one end of the main body 210 facing the fitting end surface 110, and the second fitting portion 220 has a light passing hole 221 facing the through hole 101.
The half mirror 400 may be fitted into the through hole 101 of the main body portion 210 and fixed by another member. When the all-mirror 400 is fitted in the body portion 210, light can be transmitted to the all-mirror 400 in the direction of the through-hole 101.
According to some embodiments of the present invention, as shown in fig. 1-3, the adjusting member 20 further comprises: the mounting part 230, the mounting part 230 is provided on the outer circumferential wall of the body part 210, the mounting part 230 is provided with a first mounting hole 231, the base 10 is provided with a second mounting hole 112 corresponding to the first mounting hole 231, and the adjusting member 20 and the base 10 are connected by a fastener through the first mounting hole 231 and the second mounting hole 112.
For example, the fastening member may be a screw, and the screw passes through the first assembly hole 231 of the assembly portion 230 and the second assembly hole 112 of the base 10 to fasten the adjustment member 20 to the base 10.
In some embodiments of the present invention, the mounting portion 230 is provided in plurality, and the plurality of mounting portions 230 are spaced apart from each other along the circumferential direction of the main body portion 210. It can be understood that by providing the plurality of fitting portions 230 at intervals in the circumferential direction of the body portion 210, the firmness and reliability of the connection between the adjustment member 20 and the base 10 can be improved, thereby improving the mechanical stability of the all-mirror-reflecting mirror 400.
According to some embodiments of the present invention, as shown in fig. 2 and 3, the number of the assembling portions 230 may be four, and the included angle between any two adjacent assembling portions 230 along the circumferential direction of the main body portion 210 is 90 °. Thereby, the smoothness and reliability of the assembly between the adjustment member 20 and the base 10 can be improved. Moreover, the overall adjusting component 20 can be designed to have a central symmetrical structure, which is beneficial to improving the stability of the adjusting device 100.
In some embodiments of the present invention, as shown in fig. 1, the second fitting portion 220 and the assembling portion 230 are spaced apart from each other along the axial direction of the main body portion 210, and the outer diameter of the main body portion 210 is smaller than the radius of the second fitting portion 220. It should be noted that, by disposing the second fitting portion 220 and the assembling portion 230 at an interval along the axial direction of the main body portion 210, the problem of structural interference between the assembling portion 230 and the fitting end surface 110 of the base 10 when adjusting the angle of the half-mirror 400 can be avoided, so that the adjusting member 20 and the base 10 can be rotated greatly, thereby improving the angle adjusting range and flexibility of the half-mirror 400.
According to some embodiments of the present invention, the adjustment member 20 and the base 10 are kovar alloy pieces. It should be noted that KOVAR (english: KOVAR) has a thermal expansion coefficient close to that of glass, and KOVAR is selected for the selection of the materials of the adjusting member 20 and the base 10, so that the thermal expansion coefficients of the adjusting member 20 and the base 10 and the total reflection mirror 400 can be matched, thereby ensuring the high and low temperature reliability and stability of the laser resonator.
As shown in fig. 6, a resonant cavity assembly 1000 for a laser according to an embodiment of the present invention includes: a total reflection mirror assembly 500, a Q-switching crystal 600, a working substance 700 and an output mirror assembly 800,
the total-reflection mirror assembly 500 comprises a total-reflection mirror 400 and the adjusting device 100 for the laser total-reflection mirror 400, wherein the total-reflection mirror 400 is arranged in the adjusting part 20 of the adjusting device 100, and the adjusting part 20 can drive the total-reflection mirror 400 to adjust the angle.
It should be noted that the alignment accuracy of the all-mirror 400 and the output mirror is extremely high. The alignment adjustment of the holophote 400 and the output mirror may be performed in a manner that one end (the output mirror assembly 800) is fixed and the other end (the holophote assembly 500) is adjustable.
The optical axis of the laser is consistent with the mechanical axis, the laser end is provided with a base 10 with a hemispherical groove, the upper end of the full-reflection mirror 400 regulator is provided with the full-reflection mirror 400, the lower end of the full-reflection mirror 400 regulator is processed into a hemispherical bump matched with the hemispherical groove, and the full-reflection mirror is fixed on the laser by four fastening screws. The adjusting device 100 is continuously adjustable in the up-down, left-right directions, and four fastening screws can well ensure the stability of the total reflection mirror 400.
According to the utility model discloses a resonant cavity subassembly 1000 for laser instrument, output mirror subassembly 800 passes through base 10 and the cooperation of being connected of adjusting part 20, can improve the mechanical stability that total reflection mirror 400 is fixed. Moreover, the relative position between the adjusting component 20 and the base 10 can be adjusted by the spherical surface matching and rotation of the first matching part 111 and the second matching part 220, so that the full-reflecting mirror 400 can be driven to perform multi-angle continuous direction adjustment, and the convenience of adjusting the full-reflecting mirror 400 is improved.
According to the utility model discloses laser instrument, include: the resonant cavity assembly 1000, the resonant cavity assembly 1000 is the above-mentioned resonant cavity assembly 1000 for a laser.
According to the utility model discloses laser instrument, output mirror subassembly 800 passes through the base 10 and cooperates with being connected of adjusting part 20, can improve the fixed mechanical stability of total reflection mirror 400. Moreover, the relative position between the adjusting component 20 and the base 10 can be adjusted by the spherical surface matching and rotation of the first matching part 111 and the second matching part 220, so that the full-reflecting mirror 400 can be driven to perform multi-angle continuous direction adjustment, the convenience of adjusting the full-reflecting mirror 400 is improved, the full-reflecting mirror 400 and the output mirror of the laser can be conveniently aligned and adjusted, and the overall performance of the laser is improved.
The technical means and functions of the present invention to achieve the intended purpose will be understood more deeply and concretely through the description of the embodiments, however, the attached drawings are only for reference and illustration, and are not intended to limit the present invention.
Claims (10)
1. An adjustment device for a laser holophote, comprising:
the matching end surface of the base is provided with a first matching part;
adjusting part, the mirror that reflects entirely is located adjusting part, adjusting part with base movably connects, the adjusting part orientation the one end of counterface is equipped with second cooperation portion, second cooperation portion with the cooperation of the rotationally sphere of first cooperation portion, so that adjusting part drives the mirror that reflects entirely carries out the angle modulation.
2. The adjusting device for the total reflection mirror of a laser device as claimed in claim 1, wherein the mating end surface is partially recessed to form the first mating portion, and the first mating portion is a hemispherical concave surface;
the second matching part is a hemispherical convex block which is arranged at one end of the adjusting component facing the matching end face.
3. The adjustment device for a laser holomirror according to claim 1, wherein the adjustment member comprises:
the main part, the main part is cylindrical, the main part has the through-hole that the axial direction link up, the total reflection mirror is located in the through-hole of main part, second cooperation portion is located the orientation of main part the one end of mating surface, second cooperation portion have with the relative logical unthreaded hole of through-hole.
4. The adjustment device for a laser holomirror according to claim 3, wherein the adjustment member further comprises:
the assembly portion, the assembly portion is located on the periphery wall of main part, the assembly portion is equipped with first pilot hole, the base be equipped with the second pilot hole that first pilot hole corresponds, adjusting part with the base passes through the fastener first pilot hole with the second pilot hole is connected.
5. The adjustment device for a laser holomirror according to claim 4, wherein the fitting portion is plural, and the plural fitting portions are provided at intervals in a circumferential direction of the main body portion.
6. The adjusting device for the total reflection mirror of laser device as claimed in claim 4, wherein said fitting portions are four, and the included angle between any two adjacent fitting portions along the circumferential direction of said main body portion is 90 °.
7. The adjustment device for a laser holomirror according to claim 4, wherein the second fitting portion and the fitting portion are provided at a distance in an axial direction of the main body portion, and an outer diameter of the main body portion is smaller than a radius of the second fitting portion.
8. The adjusting device for a laser holophote as defined in any one of claims 1 to 7, wherein the adjusting member and the base are kovar alloy pieces.
9. A resonant cavity component for a laser, comprising: a total reflection mirror assembly, a Q-switching crystal, a working substance and an output mirror assembly,
the total-reflection mirror assembly comprises a total-reflection mirror and an adjusting device for the total-reflection mirror of the laser according to any one of claims 1 to 8, wherein the total-reflection mirror is arranged in an adjusting part of the adjusting device, and the adjusting part can drive the total-reflection mirror to carry out angle adjustment.
10. A laser, comprising: a resonant cavity component for a laser according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021370048.9U CN212571681U (en) | 2020-07-13 | 2020-07-13 | Adjusting device for laser total reflection mirror, resonant cavity assembly and laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021370048.9U CN212571681U (en) | 2020-07-13 | 2020-07-13 | Adjusting device for laser total reflection mirror, resonant cavity assembly and laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212571681U true CN212571681U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021370048.9U Active CN212571681U (en) | 2020-07-13 | 2020-07-13 | Adjusting device for laser total reflection mirror, resonant cavity assembly and laser |
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| Country | Link |
|---|---|
| CN (1) | CN212571681U (en) |
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- 2020-07-13 CN CN202021370048.9U patent/CN212571681U/en active Active
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