CN117949925A - Simultaneous domain surface detection laser radar device for large-size target and assembly method - Google Patents
Simultaneous domain surface detection laser radar device for large-size target and assembly method Download PDFInfo
- Publication number
- CN117949925A CN117949925A CN202410242902.XA CN202410242902A CN117949925A CN 117949925 A CN117949925 A CN 117949925A CN 202410242902 A CN202410242902 A CN 202410242902A CN 117949925 A CN117949925 A CN 117949925A
- Authority
- CN
- China
- Prior art keywords
- laser
- collimator
- laser radar
- module
- receiving module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000003287 optical effect Effects 0.000 claims abstract description 54
- 230000001360 synchronised effect Effects 0.000 claims abstract description 9
- 230000001276 controlling effect Effects 0.000 claims description 5
- 210000001747 pupil Anatomy 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000000523 sample Substances 0.000 claims 2
- 230000008569 process Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
Abstract
The application discloses a synchronous domain surface detection laser radar device for a large-size target, which comprises an aiming module, a laser, a receiving module and a control system. Meanwhile, a beam expansion optical lens (afocal optical system) of the traditional laser radar is replaced by a zoomed negative focal length lens (namely a first zoom lens), so that simultaneous domain large-size surface detection of a large-size target is realized. In the process of assembling the laser radar device, the optical axis of the divergent optical system is accurately positioned by introducing an auxiliary assembly convex lens and a parallel light pipe. And the focal length of the convex lens and the collimator tube is restrained from taking value, so that the assembly precision is improved.
Description
Technical Field
The application relates to the technical field of laser detection, in particular to a synchronous domain surface detection laser radar device for a large-size target and an assembly method.
Background
The transmitting system of the traditional laser radar expands the light beam emitted by the laser through the afocal optical system (afocal optical lens), and suppresses the far-field divergence angle, thereby realizing the long-distance transmission. When the output light beam strikes the target to be measured, the target to be measured scatters and returns the incident light beam and is received by the receiving system, so that the distance measurement of the target to be measured is realized. Because the method belongs to point detection and needs to cooperate with a high-speed scanning mechanism to realize surface detection of the target, full-view simultaneous detection of the large-size target at the same time cannot be realized.
Disclosure of Invention
The application provides a synchronous domain surface detection laser radar device of a large-size target and an assembly method thereof, and aims to solve the problems in the prior art.
The technical scheme provided by the application is as follows:
A simultaneous domain surface-probing laser radar apparatus of a large-sized target, comprising:
The aiming module is used for adjusting the direction and aiming at a large-size target to be detected;
The laser is used for emitting laser and illuminating the large-size object to be measured;
The receiving module is used for receiving the laser reflected back by the large-size target to be detected;
the optical axes of the sighting module, the laser and the receiving module are parallel optical axes, a spectroscope and a first zoom lens are sequentially arranged along the optical path of the laser, and laser emitted by the laser outputs laser with a certain divergence angle after passing through the first zoom lens;
The receiving module is connected with a first detector and a second detector, the laser emitted by the laser passes through the spectroscope and then is split out, the light beam is emitted to the first detector, and the receiving module receives the laser reflected back by the large-size target to be detected through the second detector.
Further, the apparatus further comprises:
The control system is used for controlling the operation of the aiming module, the laser and the receiving module;
When the large-size target to be detected appears in the view field of the sighting module, a first signal is transmitted to the control system, and the control system controls the laser to start after receiving the first signal;
When the laser emitted by the laser emits to the first detector through the spectroscope, the first detector sends a second signal to the control system, and the control system controls the receiving module to start in a preset time after receiving the second signal.
Further, a relay optical assembly, a field diaphragm and a second zoom lens are sequentially arranged on the optical path of the receiving module.
Further, a third zoom lens is arranged on the light path of the aiming module.
Meanwhile, the application provides an assembling method of the synchronous domain surface detection laser radar device of the large-size target, which is used for assembling the synchronous domain surface detection laser radar device of the large-size target and comprises the following steps:
Assembling the optical axes of the aiming module, the laser and the receiving module into a parallel optical axis state, placing a collimator on the optical axis of the laser, wherein the entrance pupil diameter of the collimator is larger than or equal to the maximum distance among the optical axes of the aiming module, the laser and the receiving module;
adjusting the pointing direction of the aiming module, and controlling the center of a view field of the aiming module to coincide with the center of a focal plane of the collimator;
Adjusting the laser to point so that the center of a light spot incident on the focal plane coincides with the center of the focal plane of the collimator;
a convex lens is arranged on a light path between the laser and the collimator, and the eccentricity of the convex lens is regulated so that the center of a light spot incident on the focal plane coincides with the center of the focal plane of the collimator;
setting the first zoom lens on a light path between the laser and the convex lens, and adjusting the eccentricity of the first zoom lens to enable the center of a light spot incident on the focal plane to coincide with the center of the focal plane of the collimator;
And placing a small hole mask plate on the focal plane of the collimator, illuminating the small hole mask plate by using a light source, and adjusting the receiving module to ensure that a detector of the receiving module receives parallel light formed by the small hole mask plate and the collimator.
Further, the assembling method of the large-size target simultaneous domain surface detection laser radar device further comprises the following steps:
and a spectroscope is arranged on a light path between the laser and the first zoom lens, and the position of the spectroscope is adjusted, so that the light beam split by the laser emitted by the laser after passing through the spectroscope is emitted to the first detector.
Further, the assembling method of the large-size target simultaneous domain surface detection laser radar device further comprises the following steps:
and a third zoom lens is arranged on the light path of the aiming module.
Further, the method for assembling the large-size target simultaneous domain surface detection laser radar device further comprises the following steps:
And a relay optical assembly, a field diaphragm and a second zoom lens are sequentially arranged on the optical path of the receiving module, the first detector is arranged, and the target energy obtained by the receiving module is maximum by adjusting the field diaphragm and the second detector.
Further, a distance between the first zoom lens and the convex lens is equal to a sum of a focal length of the first zoom lens and a focal length of the convex lens;
the distance between the convex lens and the object side main surface of the collimator is larger than 1 time of focal length of the collimator.
Further, before the laser radar device is used for detecting the large-size target to be detected, the collimator, the convex lens and the small-hole mask are removed.
Compared with the prior art, the application has the beneficial effects that:
The application provides a synchronous domain surface detection laser radar device for a large-size target, which comprises a sighting module, a laser, a receiving module and a control system. Meanwhile, a beam expansion optical lens (afocal optical system) of the traditional laser radar is replaced by a zoomed negative focal length lens (namely a first zoom lens), so that simultaneous domain large-size surface detection of a large-size target is realized. In the process of assembling the laser radar device, the optical axis of the divergent optical system is accurately positioned by introducing an auxiliary assembly convex lens and a parallel light pipe. And the focal length of the convex lens and the collimator tube is restrained from taking value, so that the assembly precision is improved.
Drawings
FIG. 1 is a schematic diagram of a structure of a laser radar device for simultaneous domain surface detection of a large-sized target;
FIG. 2 is a flow chart of an assembly method of the laser radar device for simultaneous domain surface detection of a large-size target;
FIG. 3 is a schematic diagram showing an assembly process of the laser radar apparatus according to an embodiment of the present application;
FIG. 4 is a schematic diagram showing a second process of assembling the laser radar apparatus according to the embodiment of the present application;
fig. 5 is a schematic diagram of an assembly process of the lidar device according to an embodiment of the present application.
The reference numerals are as follows:
The device comprises a 1-aiming module, a 2-laser, a 3-receiving module, a 4-control system, a 5-first zoom lens, a 6-spectroscope, a 7-first detector, an 8-third zoom lens, a 9-relay optical assembly, a 10-view field diaphragm, an 11-second zoom lens, a 12-large-size object to be measured, a 13-collimator, a 14-focal plane and a 15-convex lens.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the embodiments described below are some, but not all, embodiments of the application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Accordingly, the following detailed description of the embodiments of the application, taken in conjunction with the accompanying drawings, is intended to represent only selected embodiments of the application, and not to limit the scope of the application as claimed. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present application, are within the scope of the present application.
It should be understood that in the description of embodiments of the application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first," "second," etc. may explicitly or implicitly include one or more of the described features.
In describing embodiments of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "assembled," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific circumstances.
Referring to fig. 1, the present application provides a synchronous domain surface detection laser radar apparatus for a large-sized target, comprising:
the aiming module 1 is used for adjusting the direction and aiming at a large-size target 12 to be measured.
A laser 2 for emitting laser light and illuminating a large-sized object 12 to be measured.
And the receiving module 3 is used for receiving the laser light reflected by the large-size object 12 to be measured.
The optical axes of the sighting module 1, the laser 2 and the receiving module 3 are parallel optical axes, a spectroscope 6 and a first zoom lens 5 are sequentially arranged along the emergent optical path of the laser 2, and laser emitted by the laser 2 is output to have a certain divergence angle after passing through the first zoom lens 5.
The receiving module 3 is connected with a first detector 7 and a second detector, and the laser beam emitted by the laser 2 is emitted to the first detector 7 through the beam splitter 6 and then is split, and the receiving module 3 receives the laser reflected back by the large-size target to be detected through the second detector.
After passing through the beam splitter 6, the laser light emitted by the laser 2 is split into two beams, one beam is directed to the first zoom lens 5 along the original optical path, and the other beam is directed to the first detector 7.
Optionally, the device further comprises a control system 4, wherein the control system 4 is electrically connected with the aiming module 1, the laser 2 and the receiving module 3, so as to perform signal transmission, and the control system 4 controls the working of the aiming module 1, the laser 2 and the receiving module 3.
The control system 4 controls the working of the aiming module 1, the laser 2 and the receiving module 3 specifically comprises: the control system 4 can control the starting-up of the aiming module 1, when a large-size target 12 to be detected appears in the field of view of the aiming module 1, a first signal is transmitted to the control system 4, and the control system 4 controls the starting-up of the laser 2 after receiving the first signal; when the laser emitted by the laser 2 is emitted to the first detector 7 through the spectroscope 6, the first detector 7 sends a second signal to the control system 4, and the control system 4 controls the receiving module 3 to start up in a preset time after receiving the second signal. When the receiving module 3 is started in a preset time, the laser reflected by the large-size object 12 to be detected is just received. The control system 4 thus functions to control the overall device to function properly.
Optionally, a relay optical assembly 9, a field stop 10 and a second zoom lens 11 are sequentially disposed on the optical path of the receiving module 3. The relay optics 9 are used to transfer optical energy from the field stop 10 position to the receiving module 3. The size of the detection target can be limited by adjusting the field stop 10, and the detection target can also be used as an auxiliary component in parallel optical axis assembly.
Optionally, a third zoom lens 8 is arranged on the optical path of the targeting module 1.
As shown in fig. 2, the above-mentioned large-size target is assembled while the area detection laser radar apparatus includes the steps of:
In step S1, the optical axes of the aiming module 1, the laser 2 and the receiving module 3 are assembled in a parallel optical axis state, the collimator 13 is placed on the optical axis of the laser 2, and the entrance pupil diameter of the collimator 13 is equal to or larger than the maximum distance among the optical axes of the aiming module 1, the laser 2 and the receiving module 3.
And S2, adjusting the pointing direction of the aiming module 1, and controlling the center of the field of view of the aiming module 1 to coincide with the center of the focal plane 14 of the collimator 13.
Step S3, adjusting the pointing direction of the laser 2 so that the center of the light spot incident on the focal plane 14 coincides with the center of the focal plane 14 of the collimator 13, as shown in fig. 3.
Step S4, a convex lens 15 is arranged on the light path between the laser 2 and the collimator 13, and the eccentricity of the convex lens 15 is adjusted so that the center of a light spot incident on the focal plane 14 coincides with the center of the focal plane 14 of the collimator 13, as shown in FIG. 4.
Step S5, the first zoom lens 5 is disposed on the optical path between the laser 2 and the convex lens 15, and the decentration of the first zoom lens 5 is adjusted such that the center of the light spot incident on the focal plane 14 coincides with the center of the focal plane 14 of the collimator 13, as shown in fig. 5.
And S6, placing a small hole mask on a focal plane 14 of the collimator 13, illuminating the small hole mask by using a light source, and adjusting the receiving module 3 to ensure that the first detector 7 receives the parallel light formed by the small hole mask and the collimator 13.
Optionally, the assembling method of the laser radar device further includes:
A beam splitter 6 is disposed on a light path between the laser 2 and the first zoom lens 5, and the position of the beam splitter 6 is adjusted so that the beam split by the laser 2 after passing through the beam splitter 6 is directed to the first detector 7.
Optionally, the assembling method of the laser radar device further includes:
A third zoom lens 8 is arranged on the optical path of the aiming block 1.
Optionally, the assembling method of the laser radar device further includes:
The relay optical assembly 9, the field diaphragm 10 and the second zoom lens 11 are sequentially arranged on the optical path of the receiving module 3, the first detector 7 is arranged, and the target energy obtained by the receiving module 3 is maximized by adjusting the field diaphragm 10 and the second detector.
Alternatively, the interval between the first zoom lens 5 and the convex lens 15 is equal to the sum of the focal length of the first zoom lens 5 and the focal length of the convex lens 15; the distance of the convex lens 15 from the object side main surface of the collimator 13 is greater than 1 time of the focal length of the collimator 13.
In the present application, the fitting position of the convex lens 15 (focal length f ' A) is constrained to a certain extent, that is, the distance between the convex lens 15 and the first zoom lens 5 (focal length f ' B) should be equal to f ' A+f'B. And it should be ensured that the distance of the convex lens 15 from the object side main surface of the collimator 13 (focal length f' C) should be greater than 1 focal length of the collimator 13.
Assuming that the spot diameter of the beam emitted by the laser 2 on the convex lens 15 is 2a, if the decentration of the convex lens 15 is d, the decentration of the principal ray of the original laser 2 after the laser passes through the convex lens 15 and the collimator 13 can be expressed as
At this time, the spot diameter incident on the focal plane 14 of the collimator 13 can be expressed as:
Therefore, in order to ensure the assembly accuracy, the principal ray deviation should be amplified as much as possible and the spot diameter on the focal plane 14 of the collimator 13 should be ensured to be smaller than the size of the focal plane 14 of the collimator 13. The general constraints are:
The assembly accuracy error at this time can be expressed as h c/f'C (units of radians).
Optionally, the collimator 13, the convex lens 15 and the aperture mask are removed before the laser radar device is used for detecting the large-size object 12 to be detected.
In summary, the present application provides a laser radar device for detecting a large-size target in a synchronous domain, which includes a sighting module 1, a laser 2, a receiving module 3 and a control system 4. Meanwhile, a beam expansion optical lens (afocal optical system) of the traditional laser radar is replaced by a zoomed negative focal length lens (namely a first zoom lens 5), so that simultaneous domain large-size surface detection of a large-size target is realized. In the process of assembling the laser radar device, the optical axis of the divergent optical system is accurately positioned by introducing the auxiliary assembly convex lens 15 and the parallel light pipe 13. And the focal length of the convex lens 15 and the collimator 13 is restrained from taking value, thereby improving the assembly accuracy.
The foregoing description is merely illustrative of the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present application should be covered. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A synchronous domain surface detection laser radar apparatus for a large-sized target, comprising:
The aiming module is used for adjusting the direction and aiming at a large-size target to be detected;
The laser is used for emitting laser and illuminating the large-size object to be measured;
The receiving module is used for receiving the laser reflected back by the large-size target to be detected;
the optical axes of the sighting module, the laser and the receiving module are parallel optical axes, a spectroscope and a first zoom lens are sequentially arranged along the optical path of the laser, and laser emitted by the laser outputs laser with a certain divergence angle after passing through the first zoom lens;
The receiving module is connected with a first detector and a second detector, the laser emitted by the laser passes through the spectroscope and then is split out, the light beam is emitted to the first detector, and the receiving module receives the laser reflected back by the large-size target to be detected through the second detector.
2. The large-size target simultaneous domain surface-probing laser radar apparatus as recited in claim 1, further comprising:
The control system is used for controlling the operation of the aiming module, the laser and the receiving module;
When the large-size target to be detected appears in the view field of the sighting module, a first signal is transmitted to the control system, and the control system controls the laser to start after receiving the first signal;
When the laser emitted by the laser emits to the first detector through the spectroscope, the first detector sends a second signal to the control system, and the control system controls the receiving module to start in a preset time after receiving the second signal.
3. The simultaneous domain surface-detection laser radar apparatus of a large-size target according to claim 1 or 2, wherein:
and a relay optical assembly, a field diaphragm and a second zoom lens are sequentially arranged on the optical path of the receiving module.
4. A large-sized target simultaneous domain surface-probing laser radar apparatus as claimed in claim 3, wherein:
and a third zoom lens is arranged on the light path of the aiming module.
5. A method of assembling a large-size target simultaneous domain surface area detection laser radar apparatus for assembling the large-size target simultaneous domain surface area detection laser radar apparatus according to any one of claims 1 to 4, comprising the steps of:
Assembling the optical axes of the aiming module, the laser and the receiving module into a parallel optical axis state, placing a collimator on the optical axis of the laser, wherein the entrance pupil diameter of the collimator is larger than or equal to the maximum distance among the optical axes of the aiming module, the laser and the receiving module;
adjusting the pointing direction of the aiming module, and controlling the center of a view field of the aiming module to coincide with the center of a focal plane of the collimator;
Adjusting the laser to point so that the center of a light spot incident on the focal plane coincides with the center of the focal plane of the collimator;
a convex lens is arranged on a light path between the laser and the collimator, and the eccentricity of the convex lens is regulated so that the center of a light spot incident on the focal plane coincides with the center of the focal plane of the collimator;
setting the first zoom lens on a light path between the laser and the convex lens, and adjusting the eccentricity of the first zoom lens to enable the center of a light spot incident on the focal plane to coincide with the center of the focal plane of the collimator;
and placing a small hole mask plate on the focal plane of the collimator, illuminating the small hole mask plate by using a light source, and adjusting the receiving module to ensure that the first detector receives parallel light formed by the small hole mask plate and the collimator.
6. The method for assembling a large-sized target simultaneous domain surface area probe laser radar apparatus according to claim 5, further comprising:
and a spectroscope is arranged on a light path between the laser and the first zoom lens, and the position of the spectroscope is adjusted, so that the light beam split by the laser emitted by the laser after passing through the spectroscope is emitted to the first detector.
7. The method for assembling a large-sized target simultaneous domain surface area probe laser radar apparatus according to claim 6, further comprising:
and a third zoom lens is arranged on the light path of the aiming module.
8. The method for assembling a large-size target simultaneous domain surface-probing laser radar device as recited in claim 6 or 7, further comprising:
And a relay optical assembly, a field diaphragm and a second zoom lens are sequentially arranged on the optical path of the receiving module, the first detector is arranged, and the target energy obtained by the receiving module is maximum by adjusting the field diaphragm and the second detector.
9. The method for assembling a large-size target simultaneous domain surface-probing laser radar apparatus as recited in claim 8, wherein:
The distance between the first zoom lens and the convex lens is equal to the sum of the focal length of the first zoom lens and the focal length of the convex lens;
the distance between the convex lens and the object side main surface of the collimator is larger than 1 time of focal length of the collimator.
10. The method for assembling a large-size target simultaneous domain surface-probing laser radar apparatus as recited in claim 9, wherein:
before the laser radar device is used for detecting a large-size target to be detected, the collimator, the convex lens and the small-hole mask plate are removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410242902.XA CN117949925A (en) | 2024-03-04 | 2024-03-04 | Simultaneous domain surface detection laser radar device for large-size target and assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410242902.XA CN117949925A (en) | 2024-03-04 | 2024-03-04 | Simultaneous domain surface detection laser radar device for large-size target and assembly method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117949925A true CN117949925A (en) | 2024-04-30 |
Family
ID=90794309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410242902.XA Pending CN117949925A (en) | 2024-03-04 | 2024-03-04 | Simultaneous domain surface detection laser radar device for large-size target and assembly method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117949925A (en) |
-
2024
- 2024-03-04 CN CN202410242902.XA patent/CN117949925A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108152013B (en) | Electro-optical system pointing accuracy measuring device optical path adjusting process | |
| US7064817B1 (en) | Method to determine and adjust the alignment of the transmitter and receiver fields of view of a LIDAR system | |
| KR101057303B1 (en) | Tracking and aiming apparatus for laser weapon | |
| EP1134548B1 (en) | Laser alignment system with plural lasers for impingement on a single target | |
| CN112636827B (en) | On-line calibration device and method for receiving coaxiality of space optical communication terminal | |
| CN108693516B (en) | Device and method for rapidly measuring performance of laser ranging system | |
| JP2000121724A (en) | Laser radar equipment | |
| CN106443954A (en) | Optical axis debugging system and method of laser range finder | |
| CN112526489B (en) | Optical axis calibration system and method of laser range finder and laser parameter measurement method | |
| CN114200687B (en) | Optical self-calibration device and method for laser communication system | |
| KR102558644B1 (en) | A laser target irradiation optical system capable of aligning the optical axis using the non-axis telescope optical axis | |
| CN115996088B (en) | On-orbit self-calibration device and method for satellite-borne laser communication terminal | |
| KR20090052415A (en) | Beam director for laser weapon system | |
| KR100763974B1 (en) | Method and apparatus for aligning optical axis for wavefront sensor for mid-infrared band | |
| CN212569122U (en) | Laser range finder system capable of automatically calibrating optical axis | |
| CN117949925A (en) | Simultaneous domain surface detection laser radar device for large-size target and assembly method | |
| Holdener et al. | Beam control and diagnostic functions in the NIF transport spatial filter | |
| CN114967022A (en) | Auto-collimation dynamic target optical assembly and calibration method based on double theodolites | |
| JP7092950B2 (en) | Injection of radiant beam into optical fiber | |
| US10520360B1 (en) | Automated power-in-the-bucket measurement apparatus for large aperture laser systems | |
| RU2793612C1 (en) | Method for forming and directing laser radiation of emitters with optical fibre outputs to a target | |
| RU2784602C1 (en) | Method for forming and pointing laser radiation of emitters with optical fiber outputs on a target | |
| RU2793613C1 (en) | System for forming and directing laser radiation of emitters with optical fiber outputs to a target | |
| RU2785768C1 (en) | System for shaping and guidance on the target of the laser radiation of emitters with fibre-optic leads | |
| KR920006587B1 (en) | Parallel-measuring apparatus of light axis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination |