CN112713487A - Multi-harmonic multi-wavelength tandem laser generator - Google Patents
Multi-harmonic multi-wavelength tandem laser generator Download PDFInfo
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- CN112713487A CN112713487A CN202011619801.8A CN202011619801A CN112713487A CN 112713487 A CN112713487 A CN 112713487A CN 202011619801 A CN202011619801 A CN 202011619801A CN 112713487 A CN112713487 A CN 112713487A
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- 239000013078 crystal Substances 0.000 claims abstract description 65
- 108010003774 Histidinol-phosphatase Proteins 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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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
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0071—Beam steering, e.g. whereby a mirror outside the cavity is present to change the beam direction
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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
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0085—Modulating the output, i.e. the laser beam is modulated outside the laser cavity
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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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08086—Multiple-wavelength emission
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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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/0813—Configuration of resonator
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/082—Construction or shape of optical resonators or components thereof comprising three or more reflectors defining a plurality of resonators, e.g. for mode selection or suppression
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The invention discloses a multi-harmonic multi-wavelength tandem laser generator which comprises a multi-harmonic oscillator, a laser luminous source module, a total reflector, an output mirror, a first frequency doubling crystal, a first output reflector, a second frequency doubling crystal, a second output reflector and a third frequency doubling crystal, wherein the laser luminous source module consists of at least two laser luminous sources which are arranged in a tandem manner.
Description
Technical Field
The invention relates to the technical field of laser equipment, in particular to a multi-harmonic multi-wavelength tandem laser generator.
Background
At present, the laser generator on the market has the following defects:
1. most lasers are output in a single wavelength mode and cannot be compatible with different wavelengths, and when different materials need to be processed, different lasers need to be used, so that the cost is increased, and the working procedures are increased.
2. Most lasers adopt a single laser light-emitting source, and have low power and poor stability.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned drawbacks of the prior art, and providing a multi-harmonic multi-wavelength tandem laser generator that is compatible with different wavelengths and can be connected in series with a plurality of laser light sources to achieve power accumulation.
In order to achieve the above object, the present invention provides a multi-harmonic multi-wavelength tandem laser generator, which comprises a multi-harmonic oscillator, a laser light source module, a total reflector, an output mirror, a first frequency doubling crystal, a first output reflector, a second frequency doubling crystal, a second output reflector and a third frequency doubling crystal, wherein the total reflector is located at the rear side of the laser light source module, the output mirror is located at the output side of the laser light source module, the laser light source module comprises at least two laser light sources arranged in tandem, the laser light emitted by the laser crystal of each laser light source is located on the same axis, the multi-harmonic oscillator is electrically connected with each laser light source, the output mirror, the first frequency doubling crystal, the second frequency doubling crystal and the third frequency doubling crystal are arranged in sequence, the first output reflector can move between the first frequency doubling crystal and the second frequency doubling crystal to reflect the laser light passing through the first frequency doubling crystal to form a first light path output, the second output reflector can move between the second frequency doubling crystal and the third frequency doubling crystal to reflect the laser passing through the second frequency doubling crystal to form a second light path output, and the laser can form a third light path output after passing through the third frequency doubling crystal.
Preferably, the multivibrator includes a power boost management module, a main MCU module, at least two sub MCU modules, and at least two IGPD modules, where the power boost management module is electrically connected to the main MCU module and the IGPD modules, the main MCU module is electrically connected to the sub MCU modules, the sub MCU modules are electrically connected to the IGPD modules corresponding to the sub MCU modules, and the IGPD modules are electrically connected to the laser light sources corresponding to the sub MCU modules.
Preferably, the output mirror is an optical shaping mirror.
Preferably, the first frequency doubling crystal can convert the wavelength of the laser into 808 nm.
Preferably, the second frequency doubling crystal is capable of converting the wavelength of the laser light to 532 nm.
Preferably, the third frequency doubling crystal can convert the wavelength of the laser light to 355 nm.
Preferably, the first output mirror and/or the second output mirror is provided as a 45 degree mirror.
Compared with the prior art, the invention has the beneficial effects that:
the laser device is simple in structure and reasonable in design, can be compatible with lasers with different wavelengths, can switch to obtain multiple paths of lasers with different wavelengths, meets the requirements of different processing technologies, can be connected in series with a plurality of laser light emitting sources to achieve a power accumulation effect, is smooth and stable in light wave, solves the problem of large power attenuation, and breaks through the technical bottlenecks of low power and poor stability of the existing laser device adopting a single laser light emitting source in the market.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a multi-harmonic multi-wavelength tandem laser generator according to an embodiment of the present invention;
figure 2 is a circuit diagram of a multivibrator according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the invention provides a multi-harmonic multi-wavelength tandem laser generator, which includes a multi-harmonic oscillator 1, a laser light source module 2, a total reflection mirror 3, an output mirror 4, a first frequency doubling crystal 5, a first output reflection mirror 6, a second frequency doubling crystal 7, a second output reflection mirror 8, a third frequency doubling crystal 9, and the like.
As shown in fig. 1, the laser light source module 2 may be composed of at least two laser light sources 21 arranged in series, and preferably, in this embodiment, the laser light sources 21 may include a light source pump and a laser crystal (e.g., Nd: YAG laser crystal, etc.). After being connected in series, the laser emitted from each laser light emitting source 21 is on the same axis, and the laser emitted from the next laser light emitting source 21 can pass through the laser crystal of the previous laser light emitting source 21.
The multivibrator 1 is electrically connected to each laser light emitting source 21, as shown in fig. 2, the multivibrator 1 may include a power boost management module 11, a main MCU module 12, at least two sub MCU modules 13, and at least two IGPD modules 14, the power boost management module 11 is electrically connected to the main MCU module 12 and the IGPD modules 14, the main MCU module 12 is electrically connected to the sub MCU modules 13, the sub MCU modules 13 are electrically connected to the corresponding IGPD modules 14, and the IGPD modules 14 are electrically connected to the corresponding laser light emitting sources 21. The main MCU 12 and the sub MCU 13 mainly function in processing waveform operation and controlling the IGPD 14, the IGPD 14 may be IGPD chips commonly used in the laser field, and the IGPD 14 can generate high frequency pulses to excite the laser light emitting source.
The total reflector 3 is located at the rear side of the whole laser light source module 2, and the total reflector 3 can reflect the laser light emitted from the laser light source 21 to emit the laser light in the output direction.
The output mirror 4 is located at the output side of the whole laser light source module 2, and in this embodiment, the output mirror 4 can be an optical shaping mirror. Of course, other optical shaping devices or other types of optics may be used.
As shown in fig. 1, the output mirror 4, the first frequency doubling crystal 5, the second frequency doubling crystal 7 and the third frequency doubling crystal 9 are arranged in sequence, and the first output mirror 6 and/or the second output mirror 8 may be set as a 45-degree mirror. The first frequency doubling crystal 5 and the second frequency doubling crystal 7 can be set to various common frequency doubling crystals such as KTP, KDP, LBO, BBO, CDA and the like.
When the optical path output needs to be switched, the first output reflector 6 can move between the first frequency doubling crystal 5 and the second frequency doubling crystal 7, so that the laser passing through the first frequency doubling crystal 5 is reflected to form a first optical path output. In addition, the second output reflector 8 can move between the second frequency doubling crystal 7 and the third frequency doubling crystal 9, so that the laser passing through the second frequency doubling crystal 7 is reflected to form a second optical path output. And when the laser sequentially passes through the first frequency doubling crystal 5, the second frequency doubling crystal 7 and the third frequency doubling crystal 9, a third optical path can be formed for outputting.
In this embodiment, preferably, the first frequency doubling crystal 5 can convert the wavelength of the laser light to 808nm, the second frequency doubling crystal 7 can convert the wavelength of the laser light to 532nm, and the third frequency doubling crystal 9 can convert the wavelength of the laser light to 355 nm.
It should be noted that the frequency doubling effect (i.e. the converted laser wavelength) of the first frequency doubling crystal 5, the second frequency doubling crystal 7 and the third frequency doubling crystal 9 can also be changed according to actual needs. In addition, according to the requirement, a frequency doubling crystal and an output reflecting mirror can be added at the back, so that the output of the optical path is increased.
In summary, the laser device of the present invention has a simple structure and a reasonable design, is compatible with lasers with different wavelengths, can switch to obtain multiple paths of lasers with different wavelengths, meets the requirements of different processing technologies, can be connected in series with a plurality of laser light sources to achieve a power accumulation effect, has smooth and stable light waves, solves the problem of large power attenuation, and breaks through the technical bottlenecks of low power and poor stability of the existing laser device adopting a single laser light source in the market.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (7)
1. A multi-harmonic multi-wavelength tandem laser generator is characterized in that: the laser lighting source module comprises a multivibrator (1), a laser lighting source module (2), a holophote (3), an output mirror (4), a first frequency doubling crystal (5), a first output reflector (6), a second frequency doubling crystal (7), a second output reflector (8) and a third frequency doubling crystal (9), wherein the holophote (3) is positioned at the rear side of the laser lighting source module (2), the output mirror (4) is positioned at the output side of the laser lighting source module (2), the laser lighting source module (2) is composed of at least two laser lighting sources (21) which are arranged in series, the laser emitted by the laser crystal of each laser lighting source (21) is positioned on the same axis, the multivibrator (1) is respectively and electrically connected with each laser lighting source (21), the output mirror (4), the first frequency doubling crystal (5), the second frequency doubling crystal (7) and the third frequency doubling crystal (9) are sequentially arranged, the first output reflector (6) can move between the first frequency doubling crystal (5) and the second frequency doubling crystal (7) to reflect laser passing through the first frequency doubling crystal (5) to form a first light path output, the second output reflector (8) can move between the second frequency doubling crystal (7) and the third frequency doubling crystal (9) to reflect laser passing through the second frequency doubling crystal (7) to form a second light path output, and when the laser passes through the third frequency doubling crystal (9), a third light path output can be formed.
2. The multi-harmonic multi-wavelength tandem laser generator according to claim 1, wherein: the multivibrator (1) comprises a power supply boosting management module (11), a main MCU module (12), at least two sub MCU modules (13) and at least two IGPD modules (14), wherein the power supply boosting management module (11) is respectively electrically connected with the main MCU module (12) and the IGPD modules (14), the main MCU module (12) is electrically connected with the sub MCU modules (13), the sub MCU modules (13) are electrically connected with the IGPD modules (14) corresponding to the sub MCU modules, and the IGPD modules (14) are electrically connected with the laser luminous sources (21) corresponding to the sub MCU modules.
3. The multi-harmonic multi-wavelength tandem laser generator according to claim 1, wherein: the output mirror (4) is an optical shaping mirror.
4. The multi-harmonic multi-wavelength tandem laser generator according to claim 1, wherein: the first frequency doubling crystal (5) can convert the wavelength of the laser light into 808 nm.
5. The multi-harmonic multi-wavelength tandem laser generator according to claim 4, wherein: the second frequency doubling crystal (7) can convert the wavelength of laser light into 532 nm.
6. The multi-harmonic multi-wavelength tandem laser generator according to claim 5, wherein: the third frequency doubling crystal (9) can convert the wavelength of the laser light into 355 nm.
7. The multi-harmonic multi-wavelength tandem laser generator according to claim 1, wherein: the first output mirror (6) and/or the second output mirror (8) are arranged as 45 degree mirrors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011619801.8A CN112713487A (en) | 2020-12-31 | 2020-12-31 | Multi-harmonic multi-wavelength tandem laser generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011619801.8A CN112713487A (en) | 2020-12-31 | 2020-12-31 | Multi-harmonic multi-wavelength tandem laser generator |
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| CN112713487A true CN112713487A (en) | 2021-04-27 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000996A (en) * | 2006-12-31 | 2007-07-18 | 陕西西大科里奥光电技术有限公司 | Quasi-continuous green laser with double-bar series full solid-state straight cavity high power single-Q switch |
| CN102185237A (en) * | 2011-03-22 | 2011-09-14 | 中国电子科技集团公司第十一研究所 | High-power and 1,319 nm single-wavelength continuous laser device |
| CN202167754U (en) * | 2011-06-30 | 2012-03-14 | 北京镭宝光电技术有限公司 | Laser beam splitting device |
| CN210897968U (en) * | 2019-08-16 | 2020-06-30 | 中国科学院苏州生物医学工程技术研究所 | Multi-wavelength laser |
| CN211743670U (en) * | 2020-04-08 | 2020-10-23 | 中国人民解放军第四军医大学 | Multi-wavelength laser capable of outputting multiple paths of different wavelengths |
| CN213989543U (en) * | 2020-12-31 | 2021-08-17 | 东莞市迈创机电科技有限公司 | Multi-harmonic multi-wavelength tandem laser generator |
-
2020
- 2020-12-31 CN CN202011619801.8A patent/CN112713487A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000996A (en) * | 2006-12-31 | 2007-07-18 | 陕西西大科里奥光电技术有限公司 | Quasi-continuous green laser with double-bar series full solid-state straight cavity high power single-Q switch |
| CN102185237A (en) * | 2011-03-22 | 2011-09-14 | 中国电子科技集团公司第十一研究所 | High-power and 1,319 nm single-wavelength continuous laser device |
| CN202167754U (en) * | 2011-06-30 | 2012-03-14 | 北京镭宝光电技术有限公司 | Laser beam splitting device |
| CN210897968U (en) * | 2019-08-16 | 2020-06-30 | 中国科学院苏州生物医学工程技术研究所 | Multi-wavelength laser |
| CN211743670U (en) * | 2020-04-08 | 2020-10-23 | 中国人民解放军第四军医大学 | Multi-wavelength laser capable of outputting multiple paths of different wavelengths |
| CN213989543U (en) * | 2020-12-31 | 2021-08-17 | 东莞市迈创机电科技有限公司 | Multi-harmonic multi-wavelength tandem laser generator |
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