CN113740925A - Self-adaptive optical system calibration device and method - Google Patents
Self-adaptive optical system calibration device and method Download PDFInfo
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- CN113740925A CN113740925A CN202111058212.1A CN202111058212A CN113740925A CN 113740925 A CN113740925 A CN 113740925A CN 202111058212 A CN202111058212 A CN 202111058212A CN 113740925 A CN113740925 A CN 113740925A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003287 optical effect Effects 0.000 title claims abstract description 11
- 230000003044 adaptive effect Effects 0.000 claims abstract description 13
- 238000000149 argon plasma sintering Methods 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000004075 alteration Effects 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V13/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by groups G01V1/00 – G01V11/00
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Abstract
The invention discloses a calibration device and a calibration method for an adaptive optical system, and the calibration device comprises an upper cover and an outer shell, wherein one side of the outer shell is provided with an incident light port, the other side of the outer shell is provided with a light scattering port, a collimating lens and a prism are respectively placed in the outer shell, a diffraction grating is arranged on an inclined plane of the prism, top limiting plates are respectively arranged at the top ends of the collimating lens and the prism, bottom limiting plates are respectively arranged at the bottom ends of the collimating lens and the prism, and clamping grooves for limiting are respectively arranged at the end surfaces of the top limiting plates and the bottom limiting plates, which face the prism and the collimating lens; the invention integrates the existing spectroscope and parts into a module, thereby improving the integration degree of the device, being convenient for integral carrying, replacement and maintenance, avoiding the phenomenon that a single part is lost, simultaneously saving the complexity of debugging the angle and the position of each part one by one and improving the defects in the prior art.
Description
Technical Field
The invention belongs to the technical field of adaptive optics, and particularly relates to a calibration device and method for an adaptive optical system.
Background
The self-adaptive optical system mainly comprises a wavefront detector, a wavefront corrector, a wavefront controller and the like, wherein the wavefront detector detects aberration wavefront information in real time, the wavefront controller converts signals detected by the wavefront detector into control signals of the wavefront corrector through a control algorithm, and the wavefront corrector is driven to change the wavefront shape to realize real-time correction of wavefront errors.
Publication No. CN1904665B discloses a calibration method for calibrating common-mode wavefront sensors in an adaptive optical system, in which a calibration device is introduced systematically to achieve the purposes of saving working time and improving safety, but this patent requires adjustment of the angle of the light source that is injected earlier, and the requirements are harsh, which results in more wasted working time in the preparation work earlier, and thus has great limitations in practical applications.
Disclosure of Invention
The present invention is directed to a calibration apparatus for adaptive optics system, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a calibration device of self-adaptation optical system, includes upper cover and shell body, the incident mouth has been seted up to one side of shell body, and the astigmatism mouth has been seted up to the opposite side, collimating lens and prism have been placed respectively to the inside of shell body, diffraction grating is installed to the inclined plane department of prism, collimating lens all is provided with a limiting plate with the top of prism, and the bottom all is provided with end limiting plate, top limiting plate with end limiting plate all offers towards prism and collimating lens's terminal surface department and is used for spacing draw-in groove, be provided with actuating mechanism on the inside bottom face of shell body, this actuating mechanism with end limiting plate transmission is connected, be fixed with the slide rail on the bottom face of upper cover, two set up on the top face of top limiting plate at the gliding spout of slide rail surface.
Preferably, the driving mechanism comprises two motors fixed at the edge of the bottom of one end in the outer shell, a screw rod is mounted at the output end of each motor, a through hole for one screw rod to penetrate through is formed in the surface of each bottom limiting plate, and a screw hole for the other screw rod to be in threaded connection is formed in the surface of each bottom limiting plate; and the screw holes on the surface of the two bottom limiting plates and the through holes are oppositely arranged.
Preferably, the two ends of the screw rod are sleeved with mounting seats, and the mounting seats are fixed on the inner bottom end face of the outer shell through bolts.
Preferably, the device also comprises two groups of position sensor modules, each group of position sensor modules consists of a position sensor transmitting end and a position sensor receiving end, the position sensor transmitting ends in the two groups of position sensor modules are respectively fixed on the inner walls of the two sides of the outer shell, one position sensor receiving end is fixed on the side surface of the top limiting plate at the collimating lens, the other position sensor receiving end is fixed on the side surface of the top limiting plate at the collimating lens, and the position sensor transmitting ends and the position sensor receiving ends are arranged oppositely.
Preferably, each set of the position sensor modules is electrically connected to one of the motors.
Preferably, the incident light port, the collimating lens, the prism, the diffraction grating and the light scattering port are all located at the same point.
Preferably, the upper cover and the outer shell are fixed in a penetrating mode through bolts, the outer shell is of a hollow cuboid structure, and the cross sectional area of the upper cover is larger than that of the outer shell.
The invention also discloses a use method of the calibration device of the self-adaptive optical system, which comprises the following steps: the method comprises the following steps: firstly, placing a collimating lens and a prism in a clamping groove formed in the top of a bottom limiting plate, then clamping the clamping groove in the bottom of a top limiting plate on the tops of the prism and the collimating lens, and finally covering an upper cover on the top of an outer shell and clamping a sliding rail into a sliding groove formed in the top of the top limiting plate;
step two: the laser is emitted by the emitting end of the position sensor and received by the receiving end of the position sensor, so that the positions of the collimating lens and the prism are determined, after the determination is completed, the position information is transmitted to the motor, then the motor is started, the motor drives the screw rod to rotate, when the position of the collimating lens needs to be adjusted, the motor in threaded connection with the bottom limiting plate is started, the prism is adjusted, the same operation is carried out, and the prism and the collimating lens can be started or closed simultaneously according to the requirement;
step three: during adjustment, a sliding chute formed in the top of the top limiting plate slides on the sliding rail, and when the position information between the transmitting end of the position sensor and the receiving end of the position sensor reaches a proper value, the adjustment can be completed;
step four: after the preparation work is finished, the device can be used.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention integrates the existing spectroscope and parts into a module, so that the integration degree of the device is improved, the device is convenient to carry, replace and maintain integrally, the phenomenon that a single part is lost is avoided, the complexity of debugging the angle and the position of each part one by one can be saved, and the defects in the prior art are overcome;
2. the positions of the prism and the collimating lens can be automatically adjusted according to the intensity of incident light through the designed position sensor module and the motor, so that the correction is convenient, the automation degree of the device is improved,
drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top connection cross-sectional view of a bottom retainer plate and lead screw in accordance with the present invention;
FIG. 3 is a side view of the top limiting plate of the present invention;
fig. 4 is a bottom connection cross-sectional view of the top limiting plate and the slide rail according to the present invention.
In the figure: 1. a position sensor transmitting end; 2. an upper cover; 3. a position sensor receiving end; 4. a top limit plate; 5. a diffraction grating; 6. a slide rail; 7. a light-scattering port; 8. a prism; 9. a collimating lens; 10. a screw rod; 11. a motor; 12. an incident light port; 13. a through hole; 14. a mounting seat; 15. a bottom limiting plate; 16. a card slot; 17. a chute; 18. an outer housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a self-adaptation optical system calibration device, including upper cover 2 and shell body 18, incident light mouth 12 has been seted up to one side of shell body 18, and the astigmatism mouth 7 has been seted up to the opposite side, collimating lens 9 and prism 8 have been placed respectively to the inside of shell body 18, diffraction grating 5 is installed to the inclined plane department of prism 8, collimating lens 9 all is provided with a limiting plate 4 with the top of prism 8, and the bottom all is provided with end limiting plate 15, top limiting plate 4 all offers towards prism 8 and collimating lens 9's terminal surface department with end limiting plate 15 and is used for spacing draw-in groove 16, be provided with actuating mechanism on the inside bottom face of shell body 18, this actuating mechanism is connected with end limiting plate 15 transmission, be fixed with slide rail 6 on the bottom face of upper cover 2, set up on the top face of two top limiting plates 4 and at the gliding spout 17 of 6 outer surfaces of slide rail.
In this embodiment, the driving mechanism includes two motors 11 fixed at the bottom edge of one end inside the outer shell 18, a lead screw 10 is installed on the output end of each motor 11, a through hole 13 for one lead screw 10 to pass through and a screw hole for the other lead screw 10 to be in threaded connection are respectively formed on the surface of each bottom limiting plate 15; the screw holes on the surfaces of the two bottom limiting plates 15 and the through holes 13 are oppositely arranged.
In this embodiment, the two ends of the screw rod 10 are sleeved with the mounting seats 14, and the mounting seats 14 are fixed on the inner bottom end surface of the outer shell 18 through bolts.
In this embodiment, still include two sets of position sensor modules, every position sensor module of group comprises position sensor transmitting terminal 1 and position sensor receiving terminal 3, and the position sensor transmitting terminal 1 in two sets of position sensor modules is fixed respectively at the both sides inner wall of shell body 18, and one of them position sensor receiving terminal 3 is fixed in the top limiting plate 4 side of collimating lens 9 department, and another position sensor receiving terminal 3 is fixed in the top limiting plate 4 side of 80 departments, and position sensor transmitting terminal 1 sets up with position sensor receiving terminal 3 relatively.
In this embodiment, each set of position sensor modules is electrically connected to one of the motors 11.
In this embodiment, the incident light port 12, the collimator lens 9, the prism 8, the diffraction grating 5, and the light diffusion port 7 are all located at the same point.
In this embodiment, the upper cover 2 and the outer shell 18 are fixed by penetrating through a bolt, the outer shell 18 is a hollow rectangular parallelepiped structure, and the cross-sectional area of the upper cover 2 is larger than that of the outer shell 18.
The invention also discloses a use method of the calibration device of the self-adaptive optical system, which comprises the following steps: the method comprises the following steps: firstly, placing the collimating lens 9 and the prism 8 in a clamping groove 16 formed in the top of a bottom limiting plate 15, then clamping the clamping groove 16 in the bottom of a top limiting plate 4 on the tops of the prism 8 and the collimating lens 9, and finally covering the upper cover 2 on the top of an outer shell 18, and clamping the slide rail 6 into a slide groove 17 formed in the top of the top limiting plate 4;
step two: the position sensor emitting end 1 manually emits laser, and the laser is received by the position sensor receiving end 3, so that the positions of the collimating lens 9 and the prism 8 are determined, after the determination is completed, the position information is transmitted to the motor 11, then the motor 11 is started, the motor 11 drives the screw rod 10 to rotate, when the position of the collimating lens 9 needs to be adjusted, the motor 11 in threaded connection with the bottom limiting plate 15 is started, the same operation is carried out when the prism 8 is adjusted, and the prism 8 and the collimating lens 9 can be started or closed simultaneously according to requirements;
step three: in the adjustment process, a sliding chute 17 formed in the top of the top limit plate 4 slides on the sliding rail 6, and the adjustment can be completed when the position information between the position sensor transmitting end 1 and the position sensor receiving end 3 reaches a proper value;
step four: after the preparation work is finished, the device can be used.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A calibration device of an adaptive optical system is characterized in that: the device comprises an upper cover (2) and an outer shell (18), wherein an incident light port (12) is formed in one side of the outer shell (18), a light scattering port (7) is formed in the other side of the outer shell (18), collimating lenses (9) and prisms (8) are respectively placed in the outer shell (18), diffraction gratings (5) are installed on inclined planes of the prisms (8), top limiting plates (4) are arranged at the top ends of the collimating lenses (9) and the prisms (8), bottom limiting plates (15) are arranged at the bottom ends of the collimating lenses (9) respectively, clamping grooves (16) used for limiting are formed in the end faces, facing the prisms (8) and the collimating lenses (9), of the top limiting plates (4) and the bottom limiting plates (15), driving mechanisms are arranged on the bottom end face in the inner portion of the outer shell (18), are in transmission connection with the bottom limiting plates (15), sliding rails (6) are fixed on the bottom end face of the upper cover (2), and sliding grooves (17) sliding on the outer surfaces of the sliding rails (6) are formed in the top end surfaces of the two top limiting plates (4).
2. The adaptive optics system calibration apparatus as defined in claim 1, wherein: the driving mechanism comprises two motors (11) fixed at the bottom edge of one end inside the outer shell (18), the output end of each motor (11) is provided with a screw rod (10), the surface of each bottom limiting plate (15) is respectively provided with a through hole (13) for one screw rod (10) to penetrate through, and a screw hole for the other screw rod (10) to be in threaded connection; the screw holes on the surfaces of the two bottom limiting plates (15) and the through holes (13) are arranged in a paired and vertical mode.
3. The adaptive optics system calibration apparatus according to claim 2, wherein: the two ends of the screw rod (10) are sleeved with mounting seats (14), and the mounting seats (14) are fixed on the inner bottom end face of the outer shell (18) through bolts.
4. The adaptive optics system calibration apparatus as defined in claim 1, wherein: still include two sets of position sensor modules, every position sensor module of group comprises position sensor transmitting terminal (1) and position sensor receiving terminal (3), among two sets of position sensor modules position sensor transmitting terminal (1) is fixed respectively the both sides inner wall of shell body (18), one of them position sensor receiving terminal (3) is fixed top limiting plate (4) side of collimating lens (9) department, another position sensor receiving terminal (3) is fixed top limiting plate (4) side of (80 department), position sensor transmitting terminal (1) sets up with position sensor receiving terminal (3) relatively.
5. The adaptive optics system calibration apparatus according to claim 4, wherein: each group of the position sensor modules is electrically connected with one of the motors (11) respectively.
6. The adaptive optics system calibration apparatus as defined in claim 1, wherein: the incident light port (12), the collimating lens (9), the prism (8), the diffraction grating (5) and the light scattering port (7) are all located on the same point.
7. The adaptive optics system calibration apparatus as defined in claim 1, wherein: the upper cover (2) and the outer shell (18) are fixed in a penetrating mode through bolts, the outer shell (18) is of a hollow cuboid structure, and the cross section area of the upper cover (2) is larger than that of the outer shell (18).
8. The method for calibrating an apparatus for an adaptive optics system according to claims 1 to 7, wherein:
the method comprises the following steps: firstly, a collimating lens (9) and a prism (8) are placed in a clamping groove (16) formed in the top of a bottom limiting plate (15), then the clamping groove (16) in the bottom of a top limiting plate (4) is clamped on the tops of the prism (8) and the collimating lens (9), finally an upper cover (2) covers the top of an outer shell (18), and a sliding rail (6) is clamped into a sliding groove (17) formed in the top of the top limiting plate (4);
step two: the laser is emitted through the position sensor emitting end (1) and received by the position sensor receiving end (3), so that the positions of the collimating lens (9) and the prism (8) are determined, after the determination is completed, the position information is transmitted to the motor (11), then the motor (11) is started, the motor (11) drives the screw rod (10) to rotate, when the position of the collimating lens (9) needs to be adjusted, the motor (11) in threaded connection with the bottom limiting plate (15) is started, when the prism (8) is adjusted, the same operation is carried out, and the prism (8) and the collimating lens (9) can be started or closed simultaneously according to requirements;
step three: in the adjustment process, a sliding chute (17) formed in the top of the top limit plate (4) slides on the sliding rail (6), and the adjustment can be completed when the position information between the position sensor transmitting end (1) and the position sensor receiving end (3) reaches a proper value;
step four: after the preparation work is finished, the device can be used.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111058212.1A CN113740925A (en) | 2021-09-09 | 2021-09-09 | Self-adaptive optical system calibration device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111058212.1A CN113740925A (en) | 2021-09-09 | 2021-09-09 | Self-adaptive optical system calibration device and method |
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| US5838652A (en) * | 1995-07-31 | 1998-11-17 | Kabushiki Kaisha Toshiba | Data processing optical head apparatus |
| US20010001252A1 (en) * | 1999-11-02 | 2001-05-17 | Hitoshi Umetsu | Optical device fixing device |
| CN1904665A (en) * | 2006-08-07 | 2007-01-31 | 中国科学院光电技术研究所 | Calibration method for correcting common-mode wavefront sensor in adaptive optical system |
| CN102590890A (en) * | 2011-12-31 | 2012-07-18 | 同方威视技术股份有限公司 | Motion platform for calibration device and positioning control method of motion platform |
| CN104515597A (en) * | 2014-12-17 | 2015-04-15 | 中国科学院长春光学精密机械与物理研究所 | Spectrometer coaxial optical system adopting combination of two volume holographic gratings and prism for light splitting |
| CN110132125A (en) * | 2019-04-15 | 2019-08-16 | 中国科学院上海光学精密机械研究所 | Grating shearing interferometric optical element defect detecting device and detection method |
| CN110488506A (en) * | 2019-08-28 | 2019-11-22 | 中国人民解放军国防科技大学 | A kind of Automatic laser collimation adjustment device and method |
| CN110567377A (en) * | 2019-06-10 | 2019-12-13 | 北京航天计量测试技术研究所 | Pyramid prism length standard rod length measuring device and measuring method thereof |
| CN112859198A (en) * | 2021-04-16 | 2021-05-28 | 湖北省地震局(中国地震局地震研究所) | Calibration tool for earthquake observation instrument |
-
2021
- 2021-09-09 CN CN202111058212.1A patent/CN113740925A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5838652A (en) * | 1995-07-31 | 1998-11-17 | Kabushiki Kaisha Toshiba | Data processing optical head apparatus |
| US20010001252A1 (en) * | 1999-11-02 | 2001-05-17 | Hitoshi Umetsu | Optical device fixing device |
| CN1904665A (en) * | 2006-08-07 | 2007-01-31 | 中国科学院光电技术研究所 | Calibration method for correcting common-mode wavefront sensor in adaptive optical system |
| CN102590890A (en) * | 2011-12-31 | 2012-07-18 | 同方威视技术股份有限公司 | Motion platform for calibration device and positioning control method of motion platform |
| CN104515597A (en) * | 2014-12-17 | 2015-04-15 | 中国科学院长春光学精密机械与物理研究所 | Spectrometer coaxial optical system adopting combination of two volume holographic gratings and prism for light splitting |
| CN110132125A (en) * | 2019-04-15 | 2019-08-16 | 中国科学院上海光学精密机械研究所 | Grating shearing interferometric optical element defect detecting device and detection method |
| CN110567377A (en) * | 2019-06-10 | 2019-12-13 | 北京航天计量测试技术研究所 | Pyramid prism length standard rod length measuring device and measuring method thereof |
| CN110488506A (en) * | 2019-08-28 | 2019-11-22 | 中国人民解放军国防科技大学 | A kind of Automatic laser collimation adjustment device and method |
| CN112859198A (en) * | 2021-04-16 | 2021-05-28 | 湖北省地震局(中国地震局地震研究所) | Calibration tool for earthquake observation instrument |
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