CN219714705U - Laser beam quality factor M2 testing device - Google Patents
Laser beam quality factor M2 testing device Download PDFInfo
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- CN219714705U CN219714705U CN202320281527.0U CN202320281527U CN219714705U CN 219714705 U CN219714705 U CN 219714705U CN 202320281527 U CN202320281527 U CN 202320281527U CN 219714705 U CN219714705 U CN 219714705U
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model discloses a laser beam quality factor M2 testing device, which belongs to the technical field of laser testing devices and comprises a fixed block, a laser, an adjusting seat, a lens seat, a beam quality analyzer and a moving part, wherein the laser is connected to the fixed block, an X-axis adjusting sliding block is arranged on the adjusting seat, a Y-axis supporting rod is connected to the X-axis adjusting sliding block, the lens seat is connected to the Y-axis supporting rod, the beam quality analyzer is movably connected to the moving part, and the beam quality analyzer, the lens seat and the laser are positioned on the same horizontal line. According to the utility model, the X-axis adjusting slide block is connected to the adjusting seat in a sliding way, the Y-axis supporting rod is driven by the X-axis adjusting slide block to move, and the structure can realize the adjustment of the lens seat on the X-axis, so that the light beam quality analyzer, the lens seat and the laser are automatically adjusted on the same horizontal straight line, and the measuring precision is improved.
Description
Technical Field
The utility model belongs to the technical field of laser testing devices, and particularly relates to a laser beam quality factor M2 testing device.
Background
At present, the laser beam quality factor M2 is tested by adopting an area array CCD detector, wherein the area array CCD detector is used for measuring the beam, and the method has the following defects:
a) The wavelength range of the measurable spectrum is narrow, and the test requirement of the CW low-power solid laser with a wider wavelength range cannot be responded;
b) For near Gaussian beams of the Cw low-power solid laser, the resolution is low, the precision is poor, and high-precision test is difficult to meet.
Disclosure of Invention
The utility model aims at: the laser beam quality factor M2 testing device is provided for solving the problems that the existing CCD detector cannot respond to the testing requirement of a wide wavelength range, the resolution is low and the precision is poor in light beam measurement.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a laser beam quality factor M2 testing arrangement, includes fixed block, laser instrument, regulation seat, lens seat, light beam quality analyzer and moving part, the laser instrument is connected on the fixed block, be provided with X axle regulation slider on the regulation seat, the Y axle bracing piece is connected on the X axle regulation slider, the lens seat is connected on the Y axle bracing piece, light beam quality analyzer movable connection is in on the moving part, light beam quality analyzer the lens seat with the laser instrument is located same horizontal straight line.
As a further description of the above technical solution:
the fixing block is provided with a compression knob and a clamping top block, the compression knob penetrates through the laser to be connected to the fixing block, and the clamping top block is abutted to the outer side wall of the laser.
As a further description of the above technical solution:
the X-axis adjusting sliding block is connected to the adjusting seat in a sliding manner.
As a further description of the above technical solution:
the movable piece comprises a connecting body, a motor, a driving rod and a movable plate, wherein the motor is connected to the connecting body, the driving rod penetrates through the connecting body to be connected to the motor in a rotating mode, a guide rail is arranged on the connecting body, the movable plate is connected to the guide rail in a sliding mode, and the light beam quality analyzer is connected to the movable plate.
As a further description of the above technical solution:
the adjusting seat is positioned between the fixed block and the moving piece.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the utility model, the Y-axis supporting rod and the X-axis adjusting slide block are arranged on the adjusting seat, the X-axis adjusting slide block is connected to the adjusting seat in a sliding way, the Y-axis supporting rod moves under the drive of the X-axis adjusting slide block, and the structure can realize the adjustment of the lens seat on the X-axis, so that the beam quality analyzer, the lens seat and the laser are automatically adjusted on the same horizontal straight line, and the measuring precision is improved.
2. According to the utility model, the motor in the moving part drives the driving rod to rotate, so that the moving plate is driven to move, and the distance between the beam quality analyzer and the lens seat is adjusted, so that the structure can be adjusted according to requirements, the measurement of far field and near field is satisfied, the wavelength range of a measured spectrum is improved, the measurement precision is improved, and the test requirement of a CW low-power solid laser with a wider wavelength range is responded.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a laser beam quality factor M2 testing apparatus.
Fig. 2 is an enlarged view at a in fig. 1.
Legend description:
1-a fixed block; a 2-laser; 3-adjusting seats; 4-a lens holder; 5-a beam quality analyzer; 6-a moving member; 61-linker; 62-an electric motor; 63-a drive rod; 64-moving plate; 7-pressing a knob; 8-clamping the top block; a 9-Y axis support rod; 10-X axis adjusting slide block; 11-guide rail.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In describing embodiments of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "inner", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a laser beam quality factor M2 testing arrangement, includes fixed block 1, laser instrument 2, adjusts seat 3, lens holder 4, beam quality analyzer 5 and moving part 6, laser instrument 2 connects on the fixed block 1, be provided with X axle on adjusting seat 3 and adjust slider 10, Y axle bracing piece 9 is connected on the X axle adjusts slider 10, lens holder 4 connects on the Y axle bracing piece 9, beam quality analyzer 5 movable connection is in on the moving part 6, beam quality analyzer 5 lens holder 4 with laser instrument 2 is located same horizontal straight line.
The laser is characterized in that a compression knob 7 and a clamping top block 8 are arranged on the fixed block 1, the compression knob 7 penetrates through the laser 2 to be connected onto the fixed block 1, and the clamping top block 8 is abutted to the outer side wall of the laser 2.
The X-axis adjusting slide block 10 is connected to the adjusting seat 3 in a sliding manner.
The moving member 6 comprises a connecting body 61, a motor 62, a driving rod 63 and a moving plate 64, wherein the motor 62 is connected to the connecting body 61, the driving rod 63 penetrates through the connecting body 61 to be connected to the motor 62 in a rotating mode, a guide rail 11 is arranged on the connecting body 61, the moving plate 64 is connected to the guide rail 11 in a sliding mode, and the light beam quality analyzer 5 is connected to the moving plate 64.
The adjusting seat 3 is located between the fixed block 1 and the moving member 6. The lens on the lens seat, the laser and the light beam quality analyzer are conveniently adjusted to be positioned on the same horizontal line, and the measurement accuracy is improved.
Working principle: through be provided with Y axle bracing piece and X axle adjusting slide block on adjusting the seat, X axle adjusting slide block sliding connection is on adjusting the seat, Y axle bracing piece moves under the drive of X axle adjusting slide block, this structure can realize the epaxial adjustment of lens seat in X, make beam quality analyzer, lens seat and laser instrument automatically regulated on same horizontal straight line, simultaneously, motor drive actuating lever in the moving part rotates, thereby drive the movable plate and remove, thereby adjust the distance between beam quality analyzer and the lens seat, this structure can adjust it as required, satisfy the measurement of far field and near field, and carry out nonlinear least square method through Labview platform and Matlab joint development's laser beam quality factor M2 test software to beam diameter data and fit, obtain beam waist spot diameter and far field divergence angle, then calculate laser beam quality factor automatically through algorithm formula, improve measurement accuracy.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a laser beam quality factor M2 testing arrangement, its characterized in that includes fixed block (1), laser instrument (2), regulation seat (3), lens seat (4), beam quality analyzer (5) and moving part (6), laser instrument (2) are connected on fixed block (1), be provided with X axle regulation slider (10) on regulation seat (3), Y axle bracing piece (9) are connected on X axle regulation slider (10), lens seat (4) are connected on Y axle bracing piece (9), beam quality analyzer (5) movable connection is in on moving part (6), beam quality analyzer (5) lens seat (4) with laser instrument (2) are located same horizontal straight line.
2. A laser beam quality factor M2 testing device according to claim 1, characterized in that the fixed block (1) is provided with a compression knob (7) and a clamping top block (8), the compression knob (7) is connected to the fixed block (1) through the laser (2), and the clamping top block (8) is abutted to the outer side wall of the laser (2).
3. A laser beam quality factor M2 testing device according to claim 2, characterized in that the X-axis adjusting slide (10) is slidingly connected to the adjusting seat (3).
4. A laser beam quality factor M2 testing device according to claim 1, characterized in that the moving member (6) comprises a connecting body (61), a motor (62), a driving rod (63) and a moving plate (64), the motor (62) is connected to the connecting body (61), the driving rod (63) is rotatably connected to the motor (62) through the connecting body (61), a guide rail (11) is provided on the connecting body (61), the moving plate (64) is slidably connected to the guide rail (11), and the beam quality analyzer (5) is connected to the moving plate (64).
5. A laser beam quality factor M2 testing device according to claim 4, characterized in that the adjustment seat (3) is located between the fixed block (1) and the moving member (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320281527.0U CN219714705U (en) | 2023-02-22 | 2023-02-22 | Laser beam quality factor M2 testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320281527.0U CN219714705U (en) | 2023-02-22 | 2023-02-22 | Laser beam quality factor M2 testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219714705U true CN219714705U (en) | 2023-09-19 |
Family
ID=87981354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320281527.0U Active CN219714705U (en) | 2023-02-22 | 2023-02-22 | Laser beam quality factor M2 testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219714705U (en) |
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2023
- 2023-02-22 CN CN202320281527.0U patent/CN219714705U/en active Active
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