CN112817117A - Parabolic reflector auxiliary device with auto-collimation adjusting function - Google Patents
Parabolic reflector auxiliary device with auto-collimation adjusting function Download PDFInfo
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- CN112817117A CN112817117A CN202011583973.4A CN202011583973A CN112817117A CN 112817117 A CN112817117 A CN 112817117A CN 202011583973 A CN202011583973 A CN 202011583973A CN 112817117 A CN112817117 A CN 112817117A
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- parabolic reflector
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- parabolic
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- 239000013078 crystal Substances 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 7
- 238000013461 design Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0411—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using focussing or collimating elements, i.e. lenses or mirrors; Aberration correction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
Abstract
The invention relates to a parabolic reflector auxiliary device with an auto-collimation adjusting function, and belongs to the technical field of optical measurement. By adopting the method, the operation of personnel in the process of using the flat crystal can be simplified, the instability of flat crystal adhesion caused by factors such as body shaking and the like when the personnel lift the flat crystal for a long time is reduced, and meanwhile, the flat crystal can be flexibly placed at a required position by utilizing the bracket and the tight holes on the bracket and can be fixed, so that the whole operation is convenient.
Description
Technical Field
The invention belongs to the technical field of optical measurement, and particularly relates to a parabolic reflector auxiliary device with an auto-collimation adjusting function.
Background
In optical measurement of laser, a parabolic mirror is often used to focus incident laser light on its focal point, and parameters such as laser power and divergence angle are measured at the focal point. Before the method is used for measurement, the postures of the parabolic reflector and the laser are required to be adjusted, and the auto-collimation between incident laser and the parabolic reflector is ensured. The simple and common method for checking the auto-collimation is to use the flat crystal reflection to fall on the incident light spot on the parabolic reflector and observe whether the flat crystal reflection light spot falls on the light outlet of the laser. In order to ensure that the flat crystal is perpendicular to the optical axis of the parabolic reflector, the upper surface of the outer frame of the parabolic reflector is perpendicular to the optical axis of the reflector when the parabolic reflector is manufactured, so that the flat crystal is attached to the upper edge of the reflector when the parabolic reflector is used for measurement. By the method, the operation of personnel can be simplified, the adjustment and the fixation of the flat crystal position can be flexibly and simply realized, the whole measurement operation is facilitated, and the operation efficiency is improved.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: how to provide a parabolic reflector auxiliary device with an auto-collimation adjusting function and realize flexible and simple movement adjustment and fixation of a flat crystal on the surface of the parabolic reflector by using the parabolic reflector auxiliary device.
(II) technical scheme
In order to solve the technical problem, the invention provides a design method of a parabolic reflector auxiliary device with an auto-collimation adjusting function, wherein the device is designed to comprise a bracket and an L-shaped bracket; firstly, designing and processing two rectangular supports, respectively chiseling a row of through holes with a certain thread width at the centers of the two supports, keeping the distance between the holes in the same row consistent, enabling the row of holes to be parallel to the corresponding support and enabling the total length of the through holes to be larger than the diameter of the parabolic reflector, respectively fixedly installing the two rectangular supports on the left side and the right side of the parabolic reflector and keeping the through holes to be parallel to the upper edge of the outer frame of the parabolic reflector, designing two symmetrical stainless steel L-shaped brackets, punching the through holes on one side of each L-shaped bracket, enabling the diameter of each through hole to be consistent with the diameter of the through holes on the supports, placing the L-shaped brackets at the corresponding holes at preset positions of the supports on the two sides of the parabolic reflector when the parabolic reflector is used in a specific operation, aligning the holes of the.
Preferably, the two rectangular brackets are respectively arranged at the left side and the right side of the parabolic reflector in a welding mode.
Preferably, a row of through holes with the diameter of the standard thread width are respectively chiseled at the centers of the two brackets.
The invention also provides a parabolic reflector auxiliary device with an auto-collimation adjusting function, which is designed and obtained by the method.
Preferably, the device comprises two brackets, two L-shaped brackets.
The invention also provides a moving adjusting and fixing method of the flat crystal on the surface of the parabolic reflector, which is realized by using the device and comprises the following steps: the method comprises the steps of placing cuboid flat crystals with the length larger than the diameter of the parabolic reflector on two L-shaped brackets, rotationally adjusting the positions of the L-shaped brackets to enable the flat crystals to be attached to the surface of an outer frame of the parabolic reflector, moving the positions of the two L-shaped brackets to through holes in corresponding positions on a support when the positions of the flat crystals need to be changed, fixing the L-shaped brackets, and correspondingly adjusting the positions of the flat crystals placed on the brackets, so that the flat crystals can be moved and fixed on the upper surface of the parabolic reflector.
The invention also provides a method for reflecting the laser spot projected at any position on the parabolic reflector by moving and fixing the flat crystal on the upper surface of the parabolic reflector, which is realized by using the method.
The invention also provides a method for adjusting the deflection angle of the parabolic reflector by reflecting the laser spots projected at any position on the parabolic reflector.
The invention also provides a method for collimating the incident laser to the parabolic reflector by adjusting the deflection angle of the parabolic reflector.
The invention also provides an application of the device in the technical field of optical measurement.
(III) advantageous effects
The auxiliary device has the characteristics of simple structure, convenient and flexible use and high-efficiency and simple operation, and can save manual operation.
Only install simple and easy auxiliary device additional on parabolic reflector, can realize the fixed flat crystal of putting that nimble is convenient on the reflector.
A row of holes are arranged in rows on the auxiliary devices fixed on the two sides of the left and right outer frames of the parabolic reflector, and the flat crystal can be conveniently fixed at the position where the flat crystal is placed only by a simple fastening mode of bolts and nuts.
The auxiliary devices fixed on the left and right sides of the outer frame of the parabolic reflector cannot shield the reflecting surface of the parabolic reflector, and meanwhile, the auxiliary devices are made of steel, so that the stability of the fixed amplification module is ensured.
By adopting the method, the operation of personnel in the process of using the flat crystal can be simplified, the instability of flat crystal adhesion caused by factors such as body shaking and the like when the personnel lift the flat crystal for a long time is reduced, and meanwhile, the flat crystal can be flexibly placed at a required position by utilizing the bracket and the tight holes on the bracket and can be fixed, so that the whole operation is convenient.
Drawings
FIG. 1 is a first schematic diagram of an auxiliary device according to the present invention;
fig. 2 is a schematic diagram of an auxiliary device structure and its use according to the present invention.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
Aiming at the defects in the existing measurement operation, the invention provides the parabolic reflector auxiliary device with the auto-collimation adjusting function, and the moving adjustment and fixation of the flat crystal on the surface of the parabolic reflector are realized flexibly and simply by using the parabolic reflector auxiliary device.
In the design method of the parabolic reflector auxiliary device with the auto-collimation adjusting function, the device is designed to comprise a bracket and an L-shaped bracket; firstly, two rectangular supports are designed and processed, a row of through holes with the diameter of standard thread width are respectively chiseled at the centers of the two supports, the space between the through holes is consistent, and the rows of holes are ensured to be parallel to the corresponding brackets and the total length of the holes is slightly larger than the diameter of the parabolic reflector, so that the fastening bolts can be inserted in the following, the two rectangular brackets are respectively arranged at the left side and the right side of the parabolic reflector in a welding mode and are kept parallel to the upper edge of the outer frame of the parabolic reflector, two symmetrical stainless steel L-shaped brackets are designed, through holes are arranged on one side of each L-shaped bracket, the diameter of each through hole is consistent with that of the through hole on the bracket, when the bracket is used in a specific operation, l-shaped brackets are arranged at the corresponding holes at the required positions of the brackets at the two sides of the parabolic reflector, and aligning the holes of the support and the L-shaped bracket, penetrating fastening bolts, and screwing nuts to fix the L-shaped bracket.
The invention also provides a flexible and simple method for moving, adjusting and fixing the flat crystal on the surface of the parabolic reflector by using the device, which comprises the following steps: the method is characterized in that a cuboid flat crystal with the length slightly larger than the diameter of the parabolic reflector is used, the flat crystal is placed on an L-shaped bracket, the L-shaped bracket is rotationally adjusted in position to enable the flat crystal to be attached to the outer frame surface of the parabolic reflector, when the position of the flat crystal needs to be changed, only the positions of two L-shaped brackets need to be moved to through holes in corresponding positions on a support, the bracket is fixed, the flat crystal is placed on the bracket to be correspondingly adjusted, flexible movement and fixation of the flat crystal on the upper surface of the parabolic reflector are achieved, laser spots projected to any position on the parabolic reflector can be reflected, the deflection angle of the parabolic reflector is conveniently adjusted, and incident laser is enabled to be collimated on the parabolic reflector.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A design method of a parabolic reflector auxiliary device with an auto-collimation adjusting function is characterized in that the device is designed to comprise a bracket and an L-shaped bracket; firstly, designing and processing two rectangular supports, respectively chiseling a row of through holes with a certain thread width at the centers of the two supports, keeping the distance between the holes in the same row consistent, enabling the row of holes to be parallel to the corresponding support and enabling the total length of the through holes to be larger than the diameter of the parabolic reflector, respectively fixedly installing the two rectangular supports on the left side and the right side of the parabolic reflector and keeping the through holes to be parallel to the upper edge of the outer frame of the parabolic reflector, designing two symmetrical stainless steel L-shaped brackets, punching the through holes on one side of each L-shaped bracket, enabling the diameter of each through hole to be consistent with the diameter of the through holes on the supports, placing the L-shaped brackets at the corresponding holes at preset positions of the supports on the two sides of the parabolic reflector when the parabolic reflector is used in a specific operation, aligning the holes of the.
2. The method of claim 1, wherein two rectangular brackets are respectively mounted on the left and right sides of the parabolic reflector by welding.
3. The method of claim 1, wherein a row of through holes having a standard thread width are respectively chiseled in the center of the two brackets.
4. A parabolic mirror auxiliary device with a self-collimation adjusting function, which is designed by the method of claim 1, 2 or 3.
5. The device of claim 4, wherein the device comprises two brackets, two L-shaped brackets.
6. A method for moving, adjusting and fixing a flat crystal on a surface of a parabolic reflector by using the device of claim 5, comprising the steps of: the method comprises the steps of placing cuboid flat crystals with the length larger than the diameter of the parabolic reflector on two L-shaped brackets, rotationally adjusting the positions of the L-shaped brackets to enable the flat crystals to be attached to the surface of an outer frame of the parabolic reflector, moving the positions of the two L-shaped brackets to through holes in corresponding positions on a support when the positions of the flat crystals need to be changed, fixing the L-shaped brackets, and correspondingly adjusting the positions of the flat crystals placed on the brackets, so that the flat crystals can be moved and fixed on the upper surface of the parabolic reflector.
7. A method of reflecting a laser spot projected at any position on a parabolic mirror by moving and fixing a plano-crystal on the upper surface of the parabolic mirror, achieved by the method of claim 6.
8. A method of adjusting the deflection angle of a parabolic mirror by reflecting a laser spot projected at any position on the parabolic mirror, achieved by the method of claim 7.
9. A method of collimating incident laser light onto a parabolic mirror by adjusting the deflection angle of the parabolic mirror, achieved by the method of claim 8.
10. Use of the device according to claim 4 or 5 in the field of optical measurement technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011583973.4A CN112817117B (en) | 2020-12-28 | 2020-12-28 | Parabolic reflector auxiliary device with auto-collimation adjusting function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011583973.4A CN112817117B (en) | 2020-12-28 | 2020-12-28 | Parabolic reflector auxiliary device with auto-collimation adjusting function |
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| CN112817117A true CN112817117A (en) | 2021-05-18 |
| CN112817117B CN112817117B (en) | 2022-10-21 |
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