CN216210144U - High-precision rotary optical lens bracket - Google Patents
High-precision rotary optical lens bracket Download PDFInfo
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- CN216210144U CN216210144U CN202122674612.7U CN202122674612U CN216210144U CN 216210144 U CN216210144 U CN 216210144U CN 202122674612 U CN202122674612 U CN 202122674612U CN 216210144 U CN216210144 U CN 216210144U
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- stepping motor
- lens
- rotary optical
- precision rotary
- support
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Abstract
The utility model provides a high-precision rotary optical lens frame, which comprises a support, a stepping motor, a lens seat and a clamping mechanism, wherein the device utilizes the connection of a miniature driving controller and a driving terminal of the stepping motor to control the rotation direction and the rotation quantity of the stepping motor, a transmission shaft of the stepping motor drives the lens seat and a beam splitting lens to move, the transmission step angle of the stepping motor is 1.8 degrees, the resolution can reach 0.014 degree after 1/128 subdivision is adopted, and the power leveling of two beams of light can be accurately realized; meanwhile, a screw penetrates through the threaded hole to clamp a transmission shaft of the stepping motor, and the lens seat and the beam splitting lens are clamped tightly by the clamping mechanism, so that the adjusting precision of the device is further ensured.
Description
Technical Field
The utility model belongs to the technical field of optical experimental equipment, and particularly relates to a high-precision rotary optical mirror bracket.
Background
The compressed optical field is used as a non-classical optical field, on the premise of meeting the Heisenberg uncertainty principle, by sacrificing the noise jitter of one orthogonal component, the noise of the other orthogonal component is lower than the shot noise standard, and the compressed optical field is widely applied to improving the measurement precision, the detection sensitivity, the quantum information and the fault tolerance rate in quantum calculation. The performance of all these applications depends to a large extent on the compressibility value of the compressed state light field. In addition to the limitation of loss and phase jitter on the improvement of the compression degree of the compressed optical field, whether the power of the compressed optical field and the local optical field on the beam splitter can be strictly leveled also limits the final measurement of the compression degree.
The power balance of two beams of light output by the beam splitter depends on the incident angle of incident light to the beam splitter, the current beam splitter and the lens frame are fixed on a manual continuous rotating platform together, the minimum resolution is only 0.083 degrees, and due to manual rotation, accurate adjustment cannot be realized, so that the preparation of a compressed light field is greatly restricted.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, a high-precision rotary optical lens frame is provided, so that the problem of low precision caused by manual adjustment of the existing beam splitting lens and the lens frame can be solved.
The high-precision rotary optical lens frame comprises a support, wherein a stepping motor is installed on the bottom surface of the support through a bolt, and a transmission shaft of the stepping motor penetrates through the support and then is inserted into a placing hole of a lens seat to be fixed.
As a further improvement of the above scheme, the side wall of the lens holder is provided with a plurality of threaded holes, the threaded holes are communicated with the placing holes, and the threaded holes and the screws are matched to clamp the transmission shaft in the stepping motor.
As a further improvement of the scheme, the side wall of the lens groove in the lens seat is provided with a clamping mechanism to realize the compression of the lens.
As a further improvement of the above scheme, the clamping mechanism is a conical head screw, the top surface and the side wall of the lens seat are provided with through holes, and the conical head screw is matched with the through holes to clamp the splitting lens.
As a further improvement of the scheme, mounting ears extend outwards from two sides of the support, and the mounting ears are matched with the presser foot to realize the fixation of the support.
As a further improvement of the scheme, the driving terminal of the stepping motor adopts two phases and four wires.
The utility model has the beneficial effects that:
compared with the prior art, the high-precision rotary optical lens frame provided by the utility model has the advantages that the rotation direction and the rotation quantity of the stepping motor are controlled by connecting the miniature driving controller with the driving terminal of the stepping motor, the driving shaft of the stepping motor drives the lens seat and the beam splitting lens to move, the transmission step angle of the stepping motor is 1.8 degrees, the resolution can reach 0.014 degrees after 1/128 fine division is adopted, and the power of two beams of light can be accurately leveled; meanwhile, a screw penetrates through the threaded hole to clamp a transmission shaft of the stepping motor, and the lens seat and the beam splitting lens are clamped tightly by the clamping mechanism, so that the adjusting precision of the device is further ensured.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a stent according to the present invention;
FIG. 3 is a schematic view of a stepper motor of the present invention;
fig. 4 is a schematic view of a lens holder according to the present invention.
Wherein: 1-mounting lug, 2-driving terminal, 3-bracket, 4-stepping motor, 7-threaded hole, 8-lens seat, 9-through hole, 11-lens groove and 15-placing hole.
Detailed Description
The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings:
as shown in fig. 1-4, the high-precision rotary optical frame provided by the present invention comprises a bracket 3, wherein a stepping motor 4 is installed on the bottom surface of the bracket 3 through a bolt, and a transmission shaft of the stepping motor 4 passes through the bracket 3 and then is inserted into a placing hole 15 of a lens holder 8 for fixing; wherein: the side wall of the lens seat 8 is provided with a plurality of threaded holes 7, the threaded holes 7 are communicated with the placing holes 15, and the threaded holes 7 are matched with screws to clamp a transmission shaft in the stepping motor 4; the side wall of the lens groove 11 in the lens seat 8 is provided with a clamping mechanism to realize the compression of the lens; the clamping mechanism is a conical head screw, through holes 9 are formed in the top surface and the side wall of the lens seat 8, and the conical head screw is matched with the through holes 9 to clamp the beam splitting lens; mounting ears 1 extend outwards from two sides of the support 3, and the mounting ears 1 are matched with the presser foot to fix the support 3; the drive terminal 2 of the stepping motor 4 adopts two-phase four-wire.
In the experiment, a balanced photoelectric detector is adopted to detect two beams of light behind the beam splitter, and the stepping motor 4 is driven to rotate to adjust the relative angle between the beam splitter and the incident light according to the output signal of the balanced photoelectric detector until the light power of the two beams of light is equal.
The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments may be combined with each other into a new embodiment. The above embodiments are only for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement without departing from the spirit and scope of the present invention should be covered within the technical solutions of the present invention.
Claims (6)
1. A high precision rotary optical frame, comprising: the device is characterized by comprising a support (3), wherein a stepping motor (4) is installed on the bottom surface of the support (3) through a bolt, and a transmission shaft of the stepping motor (4) penetrates through the support (3) and then is inserted into a placing hole (15) of a lens seat (8) for internal fixation.
2. A high precision rotary optical frame as defined in claim 1, wherein: the side wall of the lens seat (8) is provided with a plurality of threaded holes (7), the threaded holes (7) are communicated with the placing holes (15), and the threaded holes (7) are matched with screws to clamp a transmission shaft in the stepping motor (4).
3. A high precision rotary optical frame as defined in claim 1, wherein: the side wall of the lens groove (11) in the lens seat (8) is provided with a clamping mechanism to realize the compression of the lens.
4. A high precision rotary optical frame as defined in claim 3, wherein: the clamping mechanism is a conical head screw, through holes (9) are formed in the top surface and the side wall of the lens seat (8), and the conical head screw is matched with the through holes (9) to clamp the beam splitting lens.
5. A high precision rotary optical frame as defined in claim 1, wherein: the two sides of the support (3) extend outwards to form mounting ears (1), and the mounting ears (1) are matched with the presser foot to fix the support (3).
6. A high precision rotary optical frame as defined in claim 1, wherein: and the driving terminal (2) of the stepping motor (4) adopts two-phase four lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122674612.7U CN216210144U (en) | 2021-11-03 | 2021-11-03 | High-precision rotary optical lens bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122674612.7U CN216210144U (en) | 2021-11-03 | 2021-11-03 | High-precision rotary optical lens bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216210144U true CN216210144U (en) | 2022-04-05 |
Family
ID=80902264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122674612.7U Active CN216210144U (en) | 2021-11-03 | 2021-11-03 | High-precision rotary optical lens bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216210144U (en) |
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2021
- 2021-11-03 CN CN202122674612.7U patent/CN216210144U/en active Active
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