CN116505357A - Laser power control method and laser - Google Patents
Laser power control method and laser Download PDFInfo
- Publication number
- CN116505357A CN116505357A CN202310557537.7A CN202310557537A CN116505357A CN 116505357 A CN116505357 A CN 116505357A CN 202310557537 A CN202310557537 A CN 202310557537A CN 116505357 A CN116505357 A CN 116505357A
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- laser
- rated
- power
- power control
- working current
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010586 diagram Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/0912—Electronics or drivers for the pump source, i.e. details of drivers or circuitry specific for laser pumping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094076—Pulsed or modulated pumping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/1022—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping
- H01S3/1024—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping for pulse generation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Lasers (AREA)
Abstract
The invention relates to the technical field of lasers, in particular to a laser power control method and a laser, which comprise a laser main body and a power controller electrically connected with the laser main body, wherein a stud is fixedly arranged on a shell at the rear end part of the laser main body, an angle adjusting assembly is arranged on the laser main body and comprises two side plates which are symmetrical with each other, a rear connecting rod is fixedly arranged between the rear end part plates of the two side plates, an arrangement gap is arranged between the two side plates, the laser main body is positioned in the arrangement gap, a nut is connected on the stud in a threaded manner, two thread barrels which are symmetrical with each other are fixedly arranged on the side surface of the side plates, and a long screw rod is connected in the thread barrel in a threaded manner. The invention is convenient for adjusting the angle and the direction, is convenient for operation and use, and brings convenience to users.
Description
Technical Field
The invention relates to the technical field of lasers, in particular to a laser power control method and a laser.
Background
The laser is a main component of the laser device, the laser is a common device capable of emitting laser, the laser emitted by the laser has the advantages of long range, high penetrability and the like, wherein the light wave intensity of the laser emitted by the laser is generally related to the power of the laser, the output power of the laser is practically determined by the laser energy stored in the optical fiber, and the larger the energy stored in the optical fiber in one laser pulse period, the larger the laser power released in the pulse period.
The invention patent with the publication number of CN107342532B discloses a laser power control method and a laser, wherein the method comprises the following steps: acquiring rated working current of the laser pump according to rated power of the laser pump in a laser pulse period; obtaining a ratio of target output power to rated power, and obtaining a target working time length according to the ratio and the laser pulse period, wherein the target working time length is smaller than the laser pulse period; controlling the laser pump to work under the rated working current, wherein the working time is the target working time, so that the laser pump outputs the target output power in a laser pulse period; the laser comprises a control module, a DAC module, a servo circuit module and a laser pump; according to the scheme provided by the embodiment of the invention, the working current of the laser pump is set only once, and when different output powers are needed, the high-precision control of the output power can be realized by only adjusting the working time of the laser pump under the rated working current.
Although this technical scheme has only to adjust the operating time of laser pumping under rated operating current, can realize the advantage of output's high accuracy control, but this technical scheme is when specifically using, and the laser instrument position on it lacks the support that supports the laser instrument, and the angle can be adjusted, lacks this support, can cause the laser instrument to place or be the level form and install the operation only in the level form, is unfavorable for adjusting orientation and the angle of the laser that the laser instrument launched, if look for the support in addition when installing in addition, can not cooperate the use perfectly because support and laser instrument are not supporting again, brings the inconvenience for the user. In view of this, we propose a laser power control method and a laser.
Disclosure of Invention
The present invention is directed to a laser power control method and a laser device, so as to solve the above-mentioned drawbacks of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a laser power control laser, includes the laser instrument main part and with the power controller of electric connection between the laser instrument main part, fixed mounting has the double-screw bolt on the rear end portion casing of laser instrument main part, be provided with angle adjustment assembly in the laser instrument main part, angle adjustment assembly includes two mutual symmetries's side board, two fixed mounting has the rear side connecting rod between the rear end portion plate body of side board, two be provided with between the side board and arrange the clearance, the laser instrument main part is located arrange the clearance, one side plate body of laser instrument main part and one of them rotate through the pivot between the side board and be connected, the double-screw bolt with another one rotate between the side board and be connected, threaded connection has the nut on the double-screw bolt.
As a preferable technical scheme of the invention, the stud is rotated to adjust the orientation of the laser main body, and the nut is used for fixing operation.
As a preferable technical scheme of the invention, the side plate is internally provided with the shaft hole communicated with the outside, and the stud and the rotating shaft pass through the shaft hole and are rotationally connected with the shaft hole, so that the laser main body and the side plate can normally rotate.
As a preferable technical scheme of the invention, two mutually symmetrical thread barrels are fixedly arranged on the side surface of the side plate, long screws are connected in the thread barrels in a threaded manner, and supporting plates are fixedly arranged at the bottom ends of the long screws so as to facilitate the supporting by the supporting plates, and the laser main body can also downwards adjust the angle.
As a preferable technical scheme of the invention, a cross groove communicated with the outside is arranged in the top cylinder of the long screw rod, and the cross groove is used for being inserted and matched with an external screwdriver.
As a preferable technical scheme of the invention, two mutually symmetrical bolt holes communicated with the outside are arranged in the supporting disc, so that the fastening bolts can be conveniently inserted into the bolt holes for fixing and mounting operation.
On the other hand, the invention also provides a laser power control method, which comprises any one of the laser power control lasers, wherein the specific power control method is as follows:
s11, acquiring rated working current of the laser pump according to rated power of the laser pump in a laser pulse period;
s12, obtaining a ratio of target output power to rated power, and obtaining target working time according to the ratio and the laser pulse period, wherein the target working time is smaller than the laser pulse period;
s13, controlling the laser pump to work under the rated working current, wherein the working time is the target working time, so that the laser pump outputs the target output power in a laser pulse period;
the laser body is marked with rated power and rated working current, namely, the rated working current is that the laser reaches the rated power under the current working, and the rated working current is not an accurate value generally, so that in the scheme of the embodiment, the accurate rated working current needs to be obtained;
when an accurate rated working current is obtained, the laser pump works under the accurate rated working current, the adjustment of the laser output power can be realized only by adjusting the duration of the work, the rated power is P, the rated working current is I, the laser pulse period is T, the target output power is P1, the target working time is T, the ratio of the target output power to the rated power is M, when M=50%, namely, the target output power of the laser is P1=50%P, in one laser pulse period T, when the accurate rated working current is provided for the laser pump, the laser pump only needs to work for half of the laser pulse period T, namely, t=50%T, and the target output power of the laser is P1=50%P, such as the laser pulse period T is 20us, and in order to realize the purpose that the laser pump only needs to work for 10us under the rated working current;
s14, controlling the current to finish the power control operation.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the nut can be unscrewed through the arranged angle adjusting assembly, the laser main body is rotated, the angle and the orientation of the laser main body are adjusted, the nut is continuously screwed after the adjustment is finished, the effect of adjusting the orientation and the angle is achieved, the use is convenient, the problem that when a conventional laser is specifically used, the laser part on the conventional laser lacks a support for supporting the laser and the angle can be adjusted, the laser can be only placed horizontally or is installed horizontally due to the lack of the support, the adjustment of the orientation and the angle of laser emitted by the laser is inconvenient, and if the support is additionally found and installed, the support and the laser cannot be matched perfectly, so that inconvenience is brought to a user.
2. According to the invention, the side plate is supported at the corresponding position by rotating the long screw rod through the arranged threaded cylinder and the long screw rod, so that the angle of the laser main body can be adjusted downwards, and the use is convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of an explosive structure according to the present invention;
FIG. 3 is a schematic view of an exploded view of the angle adjustment assembly of the present invention;
FIG. 4 is a schematic view of a portion of the structure of the present invention;
fig. 5 is a flow chart of the laser power control method of the present invention.
The meaning of each reference numeral in the figures is:
1. a laser body; 10. a stud; 11. a nut; 12. a power controller; 121. a mounting piece;
2. an angle adjustment assembly; 20. a side plate; 21. a rear link; 22. a shaft hole; 23. arranging a gap; 24. a thread cylinder; 25. a long screw; 251. a cross groove; 26. a support plate; 261. bolt holes.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a laser power control laser, including laser main part 1 and with the power controller 12 of electric connection between the laser main part 1, power controller 12's bottom four corners department all welds has mounting plate 121, fixed mounting has double-screw bolt 10 on the rear end casing of laser main part 1, be provided with angle adjustment subassembly 2 on the laser main part 1, angle adjustment subassembly 2 includes two mutually symmetrical side boards 20, fixed mounting has rear side connecting rod 21 between the rear end plate body of two side boards 20, be provided with between two side boards 20 and arrange clearance 23, laser main part 1 is located and arranges clearance 23, rotate through the pivot between one side board body of laser main part 1 and one of them side board 20 and be connected, rotate between double-screw bolt 10 and another one side board 20 and be connected, threaded connection has nut 11 on the double-screw bolt 10, be provided with the shaft hole 22 that is linked together with the external world in the side board 20, double-screw bolt 10 and pivot pass shaft hole 22 and rotate with shaft hole 22 and be connected, make can normally rotate between laser main part 1 and the side board 20, realize adjusting laser main part 1's orientation and angle, after the adjustment, continue to screw nut 11 to realize the fixing laser main part 1.
In the present embodiment, the stud 10 is rotated to adjust the orientation of the laser body 1, and the nut 11 is used for the fixing operation.
Specifically, two mutually symmetrical thread barrels 24 are fixedly installed on the side face of the side plate 20, long screws 25 are connected with the thread barrels 24 in a threaded mode, supporting plates 26 are fixedly installed at the bottom ends of the long screws 25, the supporting plates 26 are convenient to support, the laser main body 1 is overhead, and the angle of the laser main body 1 can be downwards adjusted.
Further, a cross groove 251 communicated with the outside is arranged in the top cylinder of the long screw rod 25, and the cross groove 251 is used for being inserted and matched with an external screwdriver.
In addition, two mutually symmetrical bolt holes 261 which are communicated with the outside are arranged in the support plate 26, so that the fastening bolts can be conveniently inserted into the bolt holes 261 for fixed installation operation.
On the other hand, the invention also provides a laser power control method, which comprises the steps of:
s11, acquiring rated working current of the laser pump according to rated power of the laser pump in a laser pulse period;
s12, obtaining the ratio of the target output power to the rated power, and obtaining target working time according to the ratio and the laser pulse period, wherein the target working time is smaller than the laser pulse period;
s13, controlling the laser pump to work under rated working current, wherein the working time is the target working time, so that the laser pump outputs target output power in a laser pulse period;
the laser body is marked with rated power and rated working current, namely, the rated working current is that the laser reaches the rated power under the current working, and the rated working current is not an accurate value generally, so that in the scheme of the embodiment, the accurate rated working current needs to be obtained;
when an accurate rated working current is obtained, the laser pump works under the accurate rated working current, the adjustment of the laser output power can be realized only by adjusting the duration of the work, the rated power is P, the rated working current is I, the laser pulse period is T, the target output power is P1, the target working time is T, the ratio of the target output power to the rated power is M, when M=50%, namely, the target output power of the laser is P1=50%P, in one laser pulse period T, when the accurate rated working current is provided for the laser pump, the laser pump only needs to work for half of the laser pulse period T, namely, t=50%T, and the target output power of the laser is P1=50%P, such as the laser pulse period T is 20us, and in order to realize the purpose that the laser pump only needs to work for 10us under the rated working current;
s14, controlling the current to finish the power control operation.
When the laser power control laser is used, firstly, the long screw rod 25 is rotated to the support disc 26 to be supported on the corresponding frame body, then the fastening bolt can be used to pass through the bolt hole 261 and fixedly mount the support disc 26 on the external frame body, at the moment, the side plate 20 and the laser main body 1 are lifted by a certain height, the nut 11 is unscrewed, the laser main body 1 is rotated, the angle of the laser main body 1 is adjusted, and after the adjustment is finished, the nut 11 is continuously screwed, so that the fixing operation is finished, and the laser power control laser is convenient to use.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a laser power control laser, includes laser main part (1) and with laser main part (1) between electric connection's power controller (12), its characterized in that: the novel laser comprises a laser body (1), wherein a stud (10) is fixedly installed on a rear end part shell of the laser body (1), an angle adjusting assembly (2) is arranged on the laser body (1), the angle adjusting assembly (2) comprises two side plates (20) which are symmetrical to each other, a rear connecting rod (21) is fixedly installed between rear end part plate bodies of the side plates (20), an arrangement gap (23) is formed between the side plates (20), the laser body (1) is located in the arrangement gap (23), one side plate body of the laser body (1) is connected with one side plate (20) through rotation of a rotating shaft, the stud (10) is connected with the other side plate (20) through rotation, and nuts (11) are connected to the studs (10) in a threaded mode.
2. The laser power control laser of claim 1, wherein: the stud (10) is rotated to adjust the orientation of the laser body (1), and the nut (11) is used for fixing operation.
3. The laser power control laser of claim 1, wherein: the side plate (20) is internally provided with a shaft hole (22) communicated with the outside, and the stud (10) and the rotating shaft penetrate through the shaft hole (22) and are rotationally connected with the shaft hole (22).
4. The laser power control laser of claim 1, wherein: two mutually symmetrical thread barrels (24) are fixedly arranged on the side face of the side plate (20), long screws (25) are connected with the thread barrels (24) in an internal thread mode, and supporting plates (26) are fixedly arranged at the bottom ends of the long screws (25).
5. The laser power control laser of claim 4, wherein: the top cylinder of the long screw rod (25) is internally provided with a cross groove (251) communicated with the outside, and the cross groove (251) is used for being inserted and matched with an outside screwdriver.
6. The laser power control laser of claim 5, wherein: two mutually symmetrical bolt holes (261) communicated with the outside are formed in the supporting disc (26).
7. A laser power control method comprising the laser power control laser according to any one of claims 1 to 6, characterized in that the specific power control method is as follows:
s11, acquiring rated working current of the laser pump according to rated power of the laser pump in a laser pulse period;
s12, obtaining a ratio of target output power to rated power, and obtaining target working time according to the ratio and the laser pulse period, wherein the target working time is smaller than the laser pulse period;
s13, controlling the laser pump to work under the rated working current, wherein the working time is the target working time, so that the laser pump outputs the target output power in a laser pulse period;
the laser body is marked with rated power and rated working current, namely, the rated working current is that the laser reaches the rated power under the current working, and the rated working current is not an accurate value generally, so that in the scheme of the embodiment, the accurate rated working current needs to be obtained;
when an accurate rated working current is obtained, the laser pump works under the accurate rated working current, the adjustment of the laser output power can be realized only by adjusting the duration of the work, the rated power is P, the rated working current is I, the laser pulse period is T, the target output power is P1, the target working time is T, the ratio of the target output power to the rated power is M, when M=50%, namely, the target output power of the laser is P1=50%P, in one laser pulse period T, when the accurate rated working current is provided for the laser pump, the laser pump only needs to work for half of the laser pulse period T, namely, t=50%T, and the target output power of the laser is P1=50%P, such as the laser pulse period T is 20us, and in order to realize the purpose that the laser pump only needs to work for 10us under the rated working current;
s14, controlling the current to finish the power control operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310557537.7A CN116505357A (en) | 2023-05-17 | 2023-05-17 | Laser power control method and laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310557537.7A CN116505357A (en) | 2023-05-17 | 2023-05-17 | Laser power control method and laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116505357A true CN116505357A (en) | 2023-07-28 |
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ID=87316464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310557537.7A Pending CN116505357A (en) | 2023-05-17 | 2023-05-17 | Laser power control method and laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116505357A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342532A (en) * | 2017-08-11 | 2017-11-10 | 深圳市创鑫激光股份有限公司 | A kind of laser power control method and laser |
| CN115407169A (en) * | 2022-10-28 | 2022-11-29 | 光子(深圳)精密科技有限公司 | Optical sensor and system for detecting switch cabinet flash arc |
-
2023
- 2023-05-17 CN CN202310557537.7A patent/CN116505357A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342532A (en) * | 2017-08-11 | 2017-11-10 | 深圳市创鑫激光股份有限公司 | A kind of laser power control method and laser |
| CN115407169A (en) * | 2022-10-28 | 2022-11-29 | 光子(深圳)精密科技有限公司 | Optical sensor and system for detecting switch cabinet flash arc |
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Application publication date: 20230728 |
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