CN205074676U - Laser device and control system - Google Patents
Laser device and control system Download PDFInfo
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- CN205074676U CN205074676U CN201520788208.4U CN201520788208U CN205074676U CN 205074676 U CN205074676 U CN 205074676U CN 201520788208 U CN201520788208 U CN 201520788208U CN 205074676 U CN205074676 U CN 205074676U
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Abstract
The embodiment of the utility model provides a laser device and control system. The laser device includes laser instrument, first speculum, the second mirror, first detector, second detector and energy adjustment mechanism, first speculum, the second mirror and energy adjustment mechanism set gradually along the light path direction of laser instrument, first detector and second detector are used for detecting the facula positional information of the laser on the first speculum and sample energy value and the facula positional information of the laser on the the second mirror and the sample energy value of laser of laser respectively, first speculum and the second mirror install respectively on two are rotated adjustment mechanism. The embodiment of the utility model provides a laser device and control system can guarantee effectively that laser beam energy and directive are stable.
Description
Technical field
The utility model relates to laser technology field, in particular to a kind of laser aid and control system.
Background technology
Laser has that monochromaticjty is good, high directivity, brightness advantages of higher, and along with making constant progress of science and technology, laser technology is also applied to every field gradually.
At present, in processing industry, often adopt laser technology, add the laser sent by laser instrument man-hour and be directly incident on after beam delivery system on workpiece to be processed and can process.But inventor finds in research, the impact of each side factors such as Stimulated Light device itself, temperature and vibrations, incide the laser energy size on workpiece to be processed and the normal change of laser spot position, affect crudy, more accurate workpiece, this situation is particularly evident.
Utility model content
In view of this, the object of the utility model embodiment is to provide a kind of laser aid and control system, to improve the problems referred to above.
The utility model is achieved in that
First aspect, the utility model embodiment provides a kind of laser aid, and laser aid comprises: laser instrument, the first speculum, the second speculum, the first detector, the second detector and capacity controlling gear;
Described first speculum, described second speculum and described capacity controlling gear set gradually along the optical path direction of described laser instrument;
Described first detector is for detecting the facula position information of the laser incided on described first speculum, and described second detector is for detecting the facula position information of the laser incided on described second speculum;
Described first detector is also for detecting the sampling energy value of the laser incided on described first speculum, and/or described second detector is also for detecting the sampling energy value of the laser incided on described second speculum;
Described first speculum and described second speculum are arranged on two rotation governor motions respectively.
In conjunction with first aspect, the utility model embodiment provides the first possible embodiment of first aspect, and wherein, described first detector comprises primary importance detector, and described second detector comprises second place detector and the second energy-probe;
Described primary importance detector is for inciding the facula position information of the laser on described first speculum described in detecting;
Described second place detector is for inciding the facula position information of the laser on described second speculum described in detecting, described second energy-probe is for inciding the sampling energy value of the laser on described second speculum described in detecting.
In conjunction with first aspect, the utility model embodiment provides the possible embodiment of the second of first aspect, and wherein, described capacity controlling gear is acousto-optic modulator or electrooptic modulator.
In conjunction with first aspect, the utility model embodiment provides the third possible embodiment of first aspect, wherein, described capacity controlling gear comprises half-wave plate and polarization splitting prism, and described first speculum, described second speculum, described half-wave plate and described polarization splitting prism set gradually along the optical path direction of described laser instrument.
In conjunction with the third possible embodiment of first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, wherein, laser aid also comprises absorber, and described absorber is arranged along the direction of the S polarized component in the laser in the light path of described laser instrument after the reflection of described polarization splitting prism.
In conjunction with first aspect to any in the 4th kind of possible embodiment of first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, wherein, laser aid also comprises the 3rd speculum, and described first speculum, described second speculum, described capacity controlling gear and described 3rd speculum set gradually along the optical path direction of described laser instrument.
In conjunction with the 5th kind of possible embodiment of first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect, and wherein, described laser instrument is solid state laser or semiconductor laser.
In conjunction with the 5th kind of possible embodiment of first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, wherein, laser aid also comprises laser aid shell, and described laser instrument, described first speculum, described second speculum, described first detector, described second detector, described capacity controlling gear and described 3rd speculum are all arranged in described laser aid shell.
In conjunction with the 5th kind of possible embodiment of first aspect, the utility model embodiment provides the 8th kind of possible embodiment of first aspect, wherein, laser aid also comprises the first frock and second frock of the optical path direction for calibrating described laser instrument, described first frock is between described second detector and described capacity controlling gear, and described second frock is positioned at the side away from described second detector of described capacity controlling gear.
Second aspect, the utility model embodiment provides a kind of laser control system, laser control system comprises above-mentioned arbitrary described laser aid, also comprise control device, described control device is used for the described facula position information that detects according to described first detector and described second detector and sampling energy value, control the setting angle of described first speculum be arranged on described rotation governor motion, be arranged on the energy size of the laser that laser that the setting angle of described second speculum rotated on governor motion and laser instrument send exports after the adjustment of described capacity controlling gear.
The laser aid that the utility model embodiment provides and control system, the facula position information detected according to the first detector and the second detector by control device and sampling energy value, control to be arranged on the energy size of the laser that laser that the setting angle that rotates the first speculum on governor motion and the second speculum and laser instrument send exports after the adjustment of capacity controlling gear, thus ensure that the stability of laser optical path energy and sensing simultaneously, ensure that processing effect is good.
For making above-mentioned purpose of the present utility model, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the structural representation of the laser aid that the utility model first embodiment provides;
Fig. 2 shows the structural representation of the laser aid that the utility model second embodiment provides.
Main element symbol description:
Laser instrument 101, the first speculum 102, second speculum 103, first detector 104, second detector 105, half-wave plate 201, polarization splitting prism 202, the 3rd speculum 203, absorber 204.
Detailed description of the invention
Below in conjunction with accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on embodiment of the present utility model, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Laser has that monochromaticjty is good, high directivity, brightness advantages of higher, and along with making constant progress of science and technology, laser technology is also applied to every field gradually.At present, in processing industry, often adopt laser technology, add the laser sent by laser instrument man-hour and be directly incident on after beam delivery system on workpiece to be processed and can process.But the impact of each side factors such as Stimulated Light device itself, temperature and vibrations, incide the laser energy size on workpiece to be processed and the normal change of laser spot position, affect crudy, more accurate workpiece, this situation is particularly evident.Based on this, inventor, through constantly research, proposes laser aid and control system that the utility model embodiment provides.
Embodiment one
Consult Fig. 1, the utility model embodiment provides a kind of laser control system, laser control system comprises laser aid and control device, and laser aid comprises laser instrument 101, first speculum 102, second speculum 103, first detector 104, second detector 105 and capacity controlling gear; First speculum 102, second speculum 103 and capacity controlling gear set gradually along the optical path direction of laser instrument 101, namely the laser that laser instrument 101 sends incides capacity controlling gear successively after the first speculum 102 and the reflection of the second speculum 103, then injection after being regulated by capacity controlling gear.First detector 104 is for the sampling energy value of the facula position information and laser that detect the laser incided on the first speculum 102, and the second detector 105 is for the sampling energy value of the facula position information and laser that detect the laser incided on the second speculum 103; First speculum 102 and the second speculum 103 are arranged on two rotation governor motions respectively, these two rotation governor motions respectively with control device electrical coupling; Control device is used for the facula position information that detects according to the first detector 104 and the second detector 105 and sampling energy value, controls to be arranged on the laser energy size that laser that the setting angle of the first speculum 102, second speculum 103 rotated on governor motion and laser instrument 101 send exports after capacity controlling gear regulates.
Concrete, first detector 104 and the second detector 105 all adopt BeamTrack sensor, BeamTrack sensor can not only can be used for exploring laser light facula position information but also can the energy value of exploring laser light, capacity controlling gear adopts the half-wave plate 201 and polarization splitting prism 202 that are arranged on electric rotating machine.
First speculum 102 and the second speculum 103 can pass through a certain proportion of laser energy, sampling energy value is the energy value size after laser light first speculum 102 and the second speculum 103, can calculate the laser energy size incided on the first speculum 102 and the second speculum 103 according to the size of sampling energy value and the first speculum 102 and the second speculum 103 through the ratio of laser energy.
Laser aid is used to add man-hour to workpiece to be processed, the laser that laser instrument 101 sends incides the first speculum 102, first detector 104 detects the facula position information of laser and the sampling energy value of laser that incide on the first speculum 102 and feeds back to control device, incide laser on the first speculum 102 after the first speculum 102 reflects, to incide the second speculum 103, second detector 105 detect the facula position information of laser and the sampling energy value of laser that incide on the second speculum 103 and feed back to control device.The laser incided on the second speculum 103 incides on half-wave plate 201 after the second speculum 103 reflects, the laser incided on half-wave plate 201 incides polarization splitting prism 202 after half-wave plate 201 deflects, polarization splitting prism 202 allows that the P polarized component (i.e. P light) in laser is passed through, S polarized component (i.e. S light) then can be reflected, due to half-wave plate 201 and the intrinsic characteristic of polarization splitting prism 202, laser is when half-wave plate 201, can by the polarization direction of the angular adjustment shoot laser of rotatable halfwave plate 201, polarization splitting prism makes P light transmission, S light reflects, thus make the transmitance of laser light polarization splitting prism 202 different, through inciding on workpiece to be processed after the laser line focus mirror focusing of polarization splitting prism 202, thus the processing realized workpiece, the direction of arrow in figure represents the optical path direction of laser.
Control device can adopt special controller or computer etc., before use laser aid is to work pieces process, the setting angle of pre-set first speculum 102 and the second speculum 103, namely the light path of laser has been determined, the facula position information now inciding the laser on the first speculum 102 and the second speculum 103 has also been recorded in control device, first detector 104 and the second detector 105 Real-time Collection or gather the facula position information on the first speculum 102 mirror and the facula position information on the second speculum 103 every the set time and feed back to control device, when the light path of laser departs from the light path of the former laser set, control device calculates corresponding offset data (i.e. the first speculum 102 and the second speculum 103 angle value that need rotate according to the facula position information that the facula position information preset and the first detector 104 and the second detector 105 collect, the facula position information of the laser incided on the first speculum 102 such as preset is D1, the facula position information of the laser that what the first detector 104 collected incide on the first speculum 102 is D2, then offset data is angle of rotation angle value corresponding to difference between D1 and D2) and the governor motion controlled for installing the first speculum 102 and the second speculum 103 rotate, thus laser is incided on workpiece to be processed after the light path line focus mirror focusing of the former laser determined.
Simultaneously, first detector 104 and the second detector 105 detect the sampling energy value of the laser incided on the first speculum 102 and the second speculum 103 and feed back to control device, different angles incide laser on half-wave plate 201 after half-wave plate 201 deflects through deflection Amici prism ratio (namely through laser energy value shared by ratio) different, before to work pieces process to be processed, control device namely recorded different angles corresponding through laser energy value shared by ratio and be suitable for the energy value scope of the laser processed, when the sampling energy value that the first detector 104 and the second detector 105 detect exceeds energy value scope (namely the inciding the over proof scope of laser energy on the first detector 104 and the second detector 105) of the laser of record, the energy that control device calculates according to the energy value of the laser preset the laser that polarization splitting prism 202 exports meets the required angle value rotating half-wave plate 201 of processing request, and the rotating mechanism controlled for installing half-wave plate 201 rotates, thus make the energy size inciding the laser on workpiece to be processed meet processing request.
In the present embodiment, can adopt motorized adjustment seat or electric rotating machine etc. for the rotation governor motion installing the first speculum 102 and the second speculum 103, its implementation can have multiple, with motorized adjustment seat for the best.Same half-wave plate 201 also can be arranged in the rotary mechanisms such as motorized adjustment seat or electric rotating machine, and in the present embodiment, half-wave plate 201 is to be arranged on electric rotating machine as best.
In this enforcement, first detector 104 and the second detector 105 all can be used for the energy value of detection laser, certainly, might not require that the first detector 104 and the second detector 105 all can the energy values of detection laser, as long as meet wherein, at least one can the energy value of detection laser.In addition, as the embodiment that another kind is feasible, first detector 104 and the second detector 105 can adopt two different combinations of detectors respectively, namely the first detector 104 adopts the mode of primary importance detector (such as BH 4 quadrant detector or RAYAN 4 quadrant detector etc.) and the combination of the first energy-probe, and the second detector 105 adopts the mode of second place detector (such as BH 4 quadrant detector or RAYAN 4 quadrant detector etc.) and the combination of the second energy-probe.Meanwhile, capacity controlling gear is also not limited only to the mode of half-wave plate 201 and polarization splitting prism 202 combination, such as, the kinds of schemes such as acousto-optic modulator or electrooptic modulator can also be adopted to substitute.
Before use laser aid is processed workpiece to be processed, need the light path determining laser, for ease of determining the light path of laser, the laser aid that the present embodiment provides also is provided with the first frock and the second frock, first frock and the second frock are respectively equipped with an aperture, capacity controlling gear is between the first frock and the second frock, when determining laser optical path, the aperture of the laser regulating the setting angle of the first speculum 102 and the second speculum 103 that laser instrument 101 is sent after the first speculum 102 and the reflection of the second speculum 103 just in two frocks, now, the light path formed is the light path of the laser determined.
In the present embodiment, also can adopt, in the first frock and the second frock, right-angled intersection hole is set to determine the light path of laser, or adopt two four phenomenon position sensors to replace the first frock and the second frock.
In addition, in the present embodiment, what laser instrument 101 adopted is solid state laser 101, and certainly, the implementation of laser instrument 101 can be multiple, such as, can also adopt gas laser 101 or semiconductor laser 101 etc.
The laser control system that the utility model embodiment provides and laser aid, detect by the first detector 104 and the second detector 105 the facula position information of laser and the sampling energy value of laser that incide on the first speculum 102 and the second speculum 103 and feed back to control device, control device calculates corresponding offset data according to the facula position information of the laser received and the sampling energy value of laser, the rotating mechanism rotating and install half-wave plate 201 according to this offset data governor motion controlled for installing the first speculum 102 and the second speculum 103 rotates, laser is made to incide on workpiece to be processed after the light path line focus mirror of the former laser determined focuses on, and the energy size inciding the laser on workpiece to be processed meets processing request, therefore, effectively ensure that the laser optical path energy of laser aid and the stable of sensing, guarantee processing effect is good.
Embodiment two
Consult Fig. 2, the present embodiment is the improvement carried out on the basis of embodiment one, does not relate to part and refer to description in embodiment one in the present embodiment.
In the process using laser aid to process workpiece to be processed, the S polarized component incided in the laser on polarization splitting prism 202 can be reflected, for avoiding the fraction of laser light reflected, staff is damaged, the laser aid that the present embodiment provides also is provided with absorber 204, absorber 204 along the S polarized component in the laser in the light path of laser instrument 101 through polarization splitting prism 202 reflect after direction arrange, by arranging the S polarized component in laser that absorber 204 Absorbable rod reflects, avoid injuring staff in the process using laser aid to process workpiece to be processed.In the present embodiment, absorber 204 can adopt grapheme material or copper material to make, and is wherein better with grapheme material.
Further, for convenience of processing workpiece to be processed, the laser aid that the present embodiment provides also is provided with the 3rd speculum 203, first speculum 102, second speculum 103, capacity controlling gear and the 3rd speculum 203 and sets gradually along the optical path direction of described laser instrument 101.By arranging the 3rd speculum 203, the effect lengthening light path and turnover light path can be played, further facilitate and workpiece to be processed is processed.
In addition, damage under external force for avoiding laser aid, laser aid in the laser control system that the present embodiment provides can also arrange laser aid shell, laser instrument 101, first speculum 102, second speculum 103, first detector 104, second detector 105, capacity controlling gear and the 3rd speculum 203 are all arranged in laser aid shell, can to laser instrument 101 by arranging laser aid shell, first speculum 102, second speculum 103, first detector 104, second detector 105, capacity controlling gear and the 3rd speculum 203 play a very good protection, the situation avoiding laser aid to damage under external force occurs.When arranging laser aid shell, a through hole passed through for laser need be set on shell so that the laser that laser instrument 101 sends is processed workpiece to be processed.
The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.
Claims (10)
1. a laser aid, is characterized in that, comprising: laser instrument, the first speculum, the second speculum, the first detector, the second detector and capacity controlling gear;
Described first speculum, described second speculum and described capacity controlling gear set gradually along the optical path direction of described laser instrument;
Described first detector is for detecting the facula position information of the laser incided on described first speculum, and described second detector is for detecting the facula position information of the laser incided on described second speculum;
Described first detector is also for detecting the sampling energy value of the laser incided on described first speculum, and/or described second detector is also for detecting the sampling energy value of the laser incided on described second speculum;
Described first speculum and described second speculum are arranged on two rotation governor motions respectively.
2. laser aid according to claim 1, is characterized in that, described first detector comprises primary importance detector, and described second detector comprises second place detector and the second energy-probe;
Described primary importance detector is for inciding the facula position information of the laser on described first speculum described in detecting;
Described second place detector is for inciding the facula position information of the laser on described second speculum described in detecting, described second energy-probe is for inciding the sampling energy value of the laser on described second speculum described in detecting.
3. laser aid according to claim 1, is characterized in that, described capacity controlling gear is acousto-optic modulator or electrooptic modulator.
4. laser aid according to claim 1, it is characterized in that, described capacity controlling gear comprises half-wave plate and polarization splitting prism, and described first speculum, described second speculum, described half-wave plate and described polarization splitting prism set gradually along the optical path direction of described laser instrument.
5. laser aid according to claim 4, is characterized in that, also comprises absorber, and described absorber is arranged along the direction of the S polarized component in the laser in the light path of described laser instrument after the reflection of described polarization splitting prism.
6. according to the laser aid one of claim 1-5 Suo Shu, it is characterized in that, also comprise the 3rd speculum, described first speculum, described second speculum, described capacity controlling gear and described 3rd speculum set gradually along the optical path direction of described laser instrument.
7. laser aid according to claim 6, is characterized in that, described laser instrument is solid state laser or semiconductor laser.
8. laser aid according to claim 6, it is characterized in that, also comprise laser aid shell, described laser instrument, described first speculum, described second speculum, described first detector, described second detector, described capacity controlling gear and described 3rd speculum are all arranged in described laser aid shell.
9. laser aid according to claim 6, it is characterized in that, also comprise the first frock and second frock of the optical path direction for calibrating described laser instrument, described first frock is between described second detector and described capacity controlling gear, and described second frock is positioned at the side away from described second detector of described capacity controlling gear.
10. a laser control system, comprise the arbitrary described laser aid of claim 1-9, it is characterized in that, also comprise control device, described control device is used for the described facula position information that detects according to described first detector and described second detector and sampling energy value, controls the setting angle of described first speculum be arranged on described rotation governor motion, is arranged on the energy size of the laser that laser that the setting angle of described second speculum rotated on governor motion and laser instrument send exports after the adjustment of described capacity controlling gear.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788208.4U CN205074676U (en) | 2015-10-12 | 2015-10-12 | Laser device and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788208.4U CN205074676U (en) | 2015-10-12 | 2015-10-12 | Laser device and control system |
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| CN205074676U true CN205074676U (en) | 2016-03-09 |
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| CN201520788208.4U Withdrawn - After Issue CN205074676U (en) | 2015-10-12 | 2015-10-12 | Laser device and control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105149772A (en) * | 2015-10-12 | 2015-12-16 | 维嘉数控科技（苏州）有限公司 | Laser device, control system and method for stabilizing energy and direction of laser path |
| CN109632641A (en) * | 2019-01-15 | 2019-04-16 | 中国科学院上海光学精密机械研究所 | The device and method that adjust automatically continuous laser light beam is directed toward |
| CN110673334A (en) * | 2019-09-29 | 2020-01-10 | 中国科学院空间应用工程与技术中心 | Automatic light beam transmission stabilizing system and method |
| CN111069792A (en) * | 2019-12-30 | 2020-04-28 | 东莞市盛雄激光先进装备股份有限公司 | Laser power adjusting device, laser cutting device and laser cutting machine tool |
| CN114769909A (en) * | 2022-06-21 | 2022-07-22 | 武汉光谷航天三江激光产业技术研究院有限公司 | Wafer laser invisible cutting system and method based on real-time power monitoring and calibration |
| CN118330901A (en) * | 2024-06-13 | 2024-07-12 | 厦门纽立特电子科技有限公司 | Device and method for closed-loop laser pointing control and automatic collimation |
-
2015
- 2015-10-12 CN CN201520788208.4U patent/CN205074676U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105149772A (en) * | 2015-10-12 | 2015-12-16 | 维嘉数控科技（苏州）有限公司 | Laser device, control system and method for stabilizing energy and direction of laser path |
| CN109632641A (en) * | 2019-01-15 | 2019-04-16 | 中国科学院上海光学精密机械研究所 | The device and method that adjust automatically continuous laser light beam is directed toward |
| CN110673334A (en) * | 2019-09-29 | 2020-01-10 | 中国科学院空间应用工程与技术中心 | Automatic light beam transmission stabilizing system and method |
| CN110673334B (en) * | 2019-09-29 | 2021-08-13 | 中国科学院空间应用工程与技术中心 | Automatic light beam transmission stabilizing system and method |
| CN111069792A (en) * | 2019-12-30 | 2020-04-28 | 东莞市盛雄激光先进装备股份有限公司 | Laser power adjusting device, laser cutting device and laser cutting machine tool |
| CN114769909A (en) * | 2022-06-21 | 2022-07-22 | 武汉光谷航天三江激光产业技术研究院有限公司 | Wafer laser invisible cutting system and method based on real-time power monitoring and calibration |
| CN114769909B (en) * | 2022-06-21 | 2022-11-18 | 武汉光谷航天三江激光产业技术研究院有限公司 | Wafer laser invisible cutting system and method based on power real-time monitoring and calibration |
| CN118330901A (en) * | 2024-06-13 | 2024-07-12 | 厦门纽立特电子科技有限公司 | Device and method for closed-loop laser pointing control and automatic collimation |
| CN118330901B (en) * | 2024-06-13 | 2024-08-27 | 厦门纽立特电子科技有限公司 | Device and method for closed-loop laser pointing control and automatic collimation |
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