CN109871035A - A kind of accuracy control method that light beam is directed toward - Google Patents
A kind of accuracy control method that light beam is directed toward Download PDFInfo
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- CN109871035A CN109871035A CN201910111258.1A CN201910111258A CN109871035A CN 109871035 A CN109871035 A CN 109871035A CN 201910111258 A CN201910111258 A CN 201910111258A CN 109871035 A CN109871035 A CN 109871035A
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Abstract
A kind of accuracy control method that light beam is directed toward belongs to laser beam and is directed toward accurate control field, method particularly includes: firstly, Iterative Design is optimized to optical system, the preliminary hot spot focus point obtained close to technical requirement；Secondly, establishing the vertical axis movement of multiple configurational simulation of optical systems collimation camera lens；Again, Design of Mechanical Structure is carried out according to optical design result；Finally, drive focal beam spot in the vertical axis movement of collimation camera lens focal plane by high-precision two-dimensional translation mechanism, it solves the problems, such as during conventional beam is directed toward adjustment to carry out light beam using fast anti-mirror to be directed toward big Stability Design difficulty, high frame frequency, Larger Dynamic range and contradict, realize that the high-precision of laser beam is directed toward accurate control and a wide range of visual field scanning.
Description
Technical field
The invention belongs to laser beams to be directed toward accurate control field, and in particular to a kind of accurate controlling party that light beam is directed toward
Method.
Background technique
Current mechanical-optical setup system, especially relatively large, complicated optical-mechanical system are highly prone to various in use environment
The machine that the influence of dynamic disturbances, such as variation of ambient temperature, atmospheric turbulance, dust, smaze, rain and snow weather and a variety of causes introduce
Tool vibration, the performance of influence optical system that all can be different degrees of, causes BEAM SQUINT to preset propagation path, serious conditions are even
Cause system can not work normally, reduces the practical process of optical system.In order to solve this problem, there are many light beams at present
It is directed toward method of adjustment, principle and feature are all different, and most common includes based on fast anti-mirror and Position-Sensitive Detector
The light beam essence tracking system for wanting functional module, be able to solve in remote transmission process light beam be directed toward it is unstable caused by target light
Spot drift and jitter problem, but the shortcomings that light beam pointing control system based on scanning mirror principle, is scanning mirror essence
Degree requirement is consistent with control precision is directed toward, and realizes that the scanning mirror accuracy Design difficulty of high-precision direction control is larger,
It is difficult to obtain biggish mirror deflecting angle, causes the high frame frequency of required fast anti-mirror and Larger Dynamic range contradicts.For
Solve the problems, such as that fast reflecting mirror is difficult to realize high frame frequency, Larger Dynamic range, the invention discloses a kind of light beam be directed toward it is accurate
Control method has the characteristics that Method And Principle is simple, it can be achieved that high frame frequency, Larger Dynamic range, having a wide range of application.
Summary of the invention
The present invention overcomes the deficiencies of the prior art and provide a kind of accuracy control method that light beam is directed toward, and solves traditional light
The problem of fast anti-mirror design difficulty is big during Shu Zhixiang adjustment, and high frame frequency, Larger Dynamic range contradict.
The technical solution adopted by the present invention is that: a kind of accuracy control method that light beam is directed toward, it is real using object space scanning theory
Existing light beam is accurately directed to control, it is characterised in that it is more to establish optical system for the optical system structure model for establishing collimation camera lens
The light beam that reconfiguration simulates different visual fields is directed toward variation, Design of Mechanical Structure is carried out according to optical design result, using high-precision
Two-dimension translational mechanism drives focal beam spot to realize that the direction of light beam accurately controls in the vertical axis movement of collimation camera lens focal plane, specific steps
It is as follows:
Firstly, establishing optical system structure model according to technical requirement, reasonable optical texture form and optics material are chosen
Material, iteration optimization design the optical alignment lens system for meeting technical indicator；Secondly, to the optical alignment camera lens optimized
Fiducial axis under model foundation difference visual field moves multiple configurational structure type, including while not scanning collimates camera lens configuration, scanning 0.7
Visual field collimates camera lens configuration, and 1 visual field of scanning collimates camera lens configuration；Again, according under technical requirement precision and multiple configurational
It collimates the vertical axis kinetic characteristic of camera lens difference visual field and carries out the preliminary molded design of mechanical structure, finally, choosing Multi-dimensional high-precision translation
Mechanism realizes the high-precision control that light beam is directed toward, and makes focal beam spot in the vertical axis movement of collimation camera lens focal plane.
The accuracy control method that a kind of light beam is directed toward, it is characterised in that using object space scanning theory and accurate straight line
Movement mechanism cooperation realization light beam is accurately directed to adjust.
The accuracy control method that a kind of light beam is directed toward, it is characterised in that designed collimation optical-mechanical system includes standard
Straight optical lens group, the direction high-precision x translation mechanism, the direction high-precision y translation mechanism, mechanical mechanism frame, High-precision multi-dimensional
Translation mechanism driver, high precision translational mechanism controls program and industrial control computer.
The accuracy control method that a kind of light beam is directed toward, it is characterised in that designed optical system is that work is in office
The laser alignment camera lens of meaning wave band.
It is compared with the prior art, the beneficial effects of the present invention are:
1. realizing hot spot in the high precision position control of the vertical axis direction of collimation camera lens focal plane using high-precision two-dimensional translation mechanism；
2. this method realizes high frame frequency, Larger Dynamic range scans；
3. by control collimation lens focus, control light beam is directed toward scanning accuracy and range.
Detailed description of the invention
Fig. 1 is a kind of accurate method of adjustment flow diagram of light beam direction.
Fig. 2 is collimation camera lens schematic diagram when not scanning.
Fig. 3 is scanning 0.7 visual field collimation camera lens schematic diagram.
Fig. 4 is scanning 1 visual field collimation camera lens schematic diagram.
Fig. 5 is a kind of colimated light system structure chart obtained using a kind of accuracy control method that light beam is directed toward.
Specific embodiment
A kind of accuracy control method that light beam is directed toward, is realized using object space scanning theory and the cooperation of Precision Linear Moving mechanism
Light beam is accurately directed to adjust, it is characterised in that it is multiple to establish optical system for the optical system structure model for establishing collimation camera lens
The light beam of configuration simulation difference visual field is directed toward variation, Design of Mechanical Structure is carried out according to optical design result, using high-precision two
Dimension translation mechanism drives focal beam spot to realize that the direction of light beam accurately controls in the vertical axis movement of collimation camera lens focal plane, as shown in Figure 1,
Specific step is as follows:
Firstly, establishing optical system structure model according to technical requirement, reasonable optical texture form and optics material are chosen
Material, iteration optimization design the optical alignment lens system for meeting technical indicator；Secondly, to the optical alignment camera lens optimized
Fiducial axis under model foundation difference visual field moves multiple configurational structure type, and camera lens is collimated when not scanning including as shown in Figure 2
Configuration, 0.7 visual field of scanning as shown in Figure 3 collimate camera lens configuration, scan 1 visual field as shown in Figure 4 and collimate camera lens configuration；Again,
It is preliminary according to technical requirement precision and the vertical axis kinetic characteristic progress mechanical structure of collimation camera lens difference visual field under multiple configurational
Molded design is collimating focal beam spot finally, choosing Multi-dimensional high-precision translation mechanism realizes the high-precision control that light beam is directed toward
The vertical axis movement of camera lens focal plane.
The accuracy control method that a kind of light beam is directed toward, it is characterised in that designed collimation optical-mechanical system includes standard
Straight optical lens group, the direction high-precision x translation mechanism, the direction high-precision y translation mechanism, mechanical mechanism frame, High-precision multi-dimensional
Translation mechanism driver, high precision translational mechanism controls program and industrial control computer.
The optical system is laser alignment camera lens of the work in any wave band.
It is illustrated in figure 5 a kind of collimation optical-mechanical system for having light beam direction and accurately controlling obtained using this method.
Claims (4)
1. the accuracy control method that a kind of light beam is directed toward is accurately directed to control using object space scanning theory realization light beam, special
Sign is to establish the optical system structure model of collimation camera lens, establishes optical system multiple configurational and simulates the light beams of different visual fields and refers to
To variation, Design of Mechanical Structure is carried out according to optical design result, drives focal beam spot to exist using high-precision two-dimensional translation mechanism
The vertical axis movement of collimation camera lens focal plane realizes that the direction of light beam accurately controls, the specific steps are as follows:
The first step establishes optical system structure model according to technical requirement, chooses reasonable optical texture form and optics
Material, iteration optimization design the optical alignment lens system for meeting technical indicator；
Second step moves multiple configurational structure shape to the fiducial axis under the optical alignment camera lens model foundation difference visual field optimized
Formula, including camera lens configuration is collimated when not scanning, 0.7 visual field of scanning collimates camera lens configuration, and 1 visual field of scanning collimates camera lens configuration；
Third step carries out machine with the vertical axis kinetic characteristic of camera lens difference visual field is collimated under multiple configurational according to technical requirement precision
The preliminary molded design of tool structure；
4th step chooses Multi-dimensional high-precision translation mechanism and realizes the high-precision control that light beam is directed toward, makes focal beam spot in collimating mirror
The vertical axis movement of head focal plane.
2. the accuracy control method that a kind of light beam according to claim 1 is directed toward, it is characterised in that former using object space scanning
Reason is accurately directed to adjust with Precision Linear Moving mechanism cooperation realization light beam.
3. the accuracy control method that a kind of light beam according to claim 1 is directed toward, it is characterised in that designed collimated light
Machine system includes collimating optic lens group, the direction high-precision x translation mechanism, the direction high-precision y translation mechanism, mechanical mechanism frame
Frame, High-precision multi-dimensional translation mechanism driver, high precision translational mechanism controls program and industrial control computer.
4. the accuracy control method that a kind of light beam according to claim 1 is directed toward, it is characterised in that designed optical system
System is laser alignment camera lens of the work in any wave band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111258.1A CN109871035A (en) | 2019-02-12 | 2019-02-12 | A kind of accuracy control method that light beam is directed toward |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111258.1A CN109871035A (en) | 2019-02-12 | 2019-02-12 | A kind of accuracy control method that light beam is directed toward |
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| Publication Number | Publication Date |
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| CN109871035A true CN109871035A (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910111258.1A Withdrawn CN109871035A (en) | 2019-02-12 | 2019-02-12 | A kind of accuracy control method that light beam is directed toward |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111259577A (en) * | 2020-01-07 | 2020-06-09 | 湖北航天技术研究院总体设计所 | Light beam jitter simulation method of continuous plane reflection type optical link |
| CN111290117A (en) * | 2019-12-24 | 2020-06-16 | 哈尔滨新光光电科技股份有限公司 | Light beam pointing control method and system |
-
2019
- 2019-02-12 CN CN201910111258.1A patent/CN109871035A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111290117A (en) * | 2019-12-24 | 2020-06-16 | 哈尔滨新光光电科技股份有限公司 | Light beam pointing control method and system |
| CN111259577A (en) * | 2020-01-07 | 2020-06-09 | 湖北航天技术研究院总体设计所 | Light beam jitter simulation method of continuous plane reflection type optical link |
| CN111259577B (en) * | 2020-01-07 | 2022-04-15 | 湖北航天技术研究院总体设计所 | Light beam jitter simulation method of continuous plane reflection type optical link |
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Application publication date: 20190611 |
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| WW01 | Invention patent application withdrawn after publication |