CN109586147A - It is a kind of with the optical fiber laser that can be worked normally under severe conditions - Google Patents
It is a kind of with the optical fiber laser that can be worked normally under severe conditions Download PDFInfo
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- CN109586147A CN109586147A CN201811311670.XA CN201811311670A CN109586147A CN 109586147 A CN109586147 A CN 109586147A CN 201811311670 A CN201811311670 A CN 201811311670A CN 109586147 A CN109586147 A CN 109586147A
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- Prior art keywords
- laser
- driving circuit
- optical fiber
- indication
- pumping source
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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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06704—Housings; Packages
-
- 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
- H01S3/094096—Multi-wavelength 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
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Lasers (AREA)
Abstract
It is proposed by the present invention a kind of with the optical fiber laser that can be worked normally under severe conditions, including seal box, multiple pump light sources, bundling device, fiber grating, indication laser, modularized semiconductor pumping source driving circuit, indication laser driving circuit, isolation circuit, TTL driving circuit, single-chip microcontroller；The influence for overcoming low temperature or high temperature line drift to export laser.It can be under the conditions of no refrigerating and heating combined equipment, it is worked normally under the conditions of ultralow temperature, superhigh temperature, strong vibration and thump, the service performance of improving laser device, the region of feux rouges instruction irradiated with 1064nm is consistent, it prevents strong infrared laser from causing to damage to eye, is debugged to laser and convenient using bringing.The seal box used can guarantee that laser works normally under high humidity environment for military standard seal box.
Description
Technical field
The present invention relates to a kind of with the optical fiber laser that can be worked normally under severe conditions.
Background technique
Optical fiber laser (Fiber Laser) refers to the laser for using doped rare earth element glass optical fiber as gain media,
Optical fiber laser can developed on the basis of fiber amplifier: easily form high power in optical fiber under the action of pump light
Density causes the laser levels " population inversion " of working-laser material, when being suitably added positive feedback loop (constitute resonant cavity)
Laser generation output can be formed.
Optical fiber laser application range is very extensive, including laser fiber communication, laser space remote communication, industry are made
Ship, automobile manufacture, laser engraving laser marking laser cutting, printing roller processed, metal and nonmetal drilling/cutting/welding (brazing,
Hardening, covering and depth welding), military and national defense safety, medical instrument instrument and equipment, large foundation construction, as its separate excitation
The pumping source etc. of light device.
It or is no system such as ultralow temperature, high temperature, vibration and impact condition but under some severe use conditions
Under conditions of cold heating combined equipment, due to the limitation of external environment, optical fiber laser can be made to cannot proceed normally running, use the longevity
Lower in face, it is therefore desirable to research and develop a kind of optical fiber laser that can be still able to use under severe conditions.
Summary of the invention
The present invention is in view of the above-mentioned problems, disclose a kind of with the optical fiber laser that can be worked normally under severe conditions.
Specific technical solution is as follows:
It is a kind of with the optical fiber laser that can be worked normally under severe conditions, including seal box, multiple multiline pumping sources, close
Beam device, fiber grating, indication laser, modularized semiconductor pumping source driving circuit, indication laser driving circuit, isolation electricity
Road, TTL driving circuit, single-chip microcontroller；
The multiple multiline pumping source, bundling device, fiber grating, indication laser, modularized semiconductor pumping source driving electricity
Road, indication laser driving circuit, isolation circuit, TTL driving circuit, single-chip microcontroller are all set in inside the seal box；
The single-chip microcontroller is electrically connected with the TTL driving circuit, and the TTL driving circuit is electrically connected with the isolation circuit, institute
Isolation circuit is stated to be electrically connected respectively at modularized semiconductor pumping source driving circuit and the indication laser driving circuit
It connects；The modularized semiconductor pumping source driving circuit is electrically connected with the multiple multiline pumping source, the multiple multiline
Pumping source issues multiline infrared laser, and the multiline infrared laser forms single beam multiline fibre light after entering the bundling device
Source enters Active Optical Fiber, forms 1064nm spectrum, the laser that 1064nm spectrum is formed in fiber grating by the Active Optical Fiber
Concussion in resonant cavity, forms 1064nm infrared laser；The indication laser driving circuit is electrically connected with the indication laser,
The indication laser issues feux rouges instruction laser and enters fiber grating；The feux rouges that the fiber grating receives laser designator refers to
The 1064nm infrared laser with red optical deictic function is exported after showing laser.
Further, the spectral line of the multiline pumping source is two or more in 915nm, 940nm, 975nm.
Further, the fiber grating is to be all-trans and output grating.
Further, the fiber grating is that be all-trans grating and low transmission of Active Optical Fiber exports grating.
Use workflow of the invention are as follows:
Swashed by single-chip microcontroller input external control signal by isolator, the semiconductor pumped source driving circuit of control moduleization and instruction
Light drive circuit, the multiline infrared laser and red instruction light for driving multiple multiline pumping sources and indication laser to generate, by
Multiline infrared laser and laser designation optical coupling light path system excitation Active Optical Fiber generation wavelength are 1064nm's by bundling device
Photon, is all-trans grating by Active Optical Fiber and the laser resonator that forms of low transmission output grating generates the laser of 1064nm, leads to
The laser of the wavelength 1064nm of optical fiber output 15W or so is crossed, while exporting 650nm feux rouges instruction laser.
The invention has the benefit that
The multiple pumping sources used have the laser of multiple spectral lines, the shadow for overcoming low temperature or high temperature line drift to export laser
It rings.
Modularized semiconductor pumps source driving circuit, can be ultralow temperature, superhigh temperature, strong under the conditions of no refrigerating and heating combined equipment
It is worked normally under the conditions of vibration and thump.
The interference of the other equipment of pulse pair, the service performance of improving laser device are reduced using photoelectric isolating circuit.
Feux rouges indicates laser, and 1064 laser-irradiated domains of feux rouges instruction are consistent, prevents strong infrared laser from causing to damage to eye
Wound is debugged and convenient using bringing to laser.
The seal box used can guarantee that laser works normally under high humidity environment for military standard seal box.
Detailed description of the invention
Fig. 1 is schematic diagram of the present invention.
Specific embodiment
Clear to be more clear technical solution of the present invention, the present invention is described further with reference to the accompanying drawing,
The technical characteristic of any pair of technical solution of the present invention carries out the scheme that equivalencing is obtained with conventional reasoning and each falls within guarantor of the present invention
Protect range.
Description of symbols:
Seal box 1, multiple multiline pumping sources 2, bundling device 3, fiber grating 4, indication laser 5, modularized semiconductor pumping
Source driving circuit 6, indication laser driving circuit 7, isolation circuit 8, TTL driving circuit 9, single-chip microcontroller 10.
It is as shown in the figure a kind of with the optical fiber laser that can be worked normally under severe conditions including seal box, multiple
Multiline pumping source, bundling device, fiber grating, indication laser, modularized semiconductor pump source driving circuit, indication laser
Driving circuit, isolation circuit, TTL driving circuit, single-chip microcontroller；
The multiple multiline pumping source, bundling device, fiber grating, indication laser, modularized semiconductor pumping source driving electricity
Road, indication laser driving circuit, isolation circuit, TTL driving circuit, single-chip microcontroller are all set in inside the seal box；
The single-chip microcontroller is electrically connected with the TTL driving circuit, and the TTL driving circuit is electrically connected with the isolation circuit, institute
Isolation circuit is stated to be electrically connected respectively at modularized semiconductor pumping source driving circuit and the indication laser driving circuit
It connects；The modularized semiconductor pumping source driving circuit is electrically connected with the multiple multiline pumping source, the multiple multiline
Pumping source issues multiline infrared laser, and the multiline infrared laser forms list Shu Duopu linear light source after entering the bundling device
Into Active Optical Fiber, 1064nm spectrum is formed by the Active Optical Fiber, 1064nm spectrum is humorous in the laser that fiber grating is formed
It shakes intracavitary concussion, forms 1064nm infrared laser；The indication laser driving circuit is electrically connected with the indication laser, institute
It states indication laser sending feux rouges instruction laser and enters fiber grating；The fiber grating receives the feux rouges instruction of laser designator
Output has the 1064nm infrared laser of red optical deictic function after laser.
Further, the spectral line of the multiline pumping source is two or more in 915nm, 940nm, 975nm.
Further, the fiber grating is to be all-trans and output grating.
Further, the fiber grating is that be all-trans grating and low transmission of Active Optical Fiber exports grating.
Use workflow of the invention are as follows:
Swashed by single-chip microcontroller input external control signal by isolator, the semiconductor pumped source driving circuit of control moduleization and instruction
Light drive circuit, the multiline infrared laser and red instruction light for driving multiline pumping source and indication laser to generate, by conjunction beam
The photon that multiline infrared laser and laser designation optical coupling light path system excitation Active Optical Fiber generation wavelength are 1064nm by device,
Grating is all-trans by Active Optical Fiber and the laser resonator that forms of low transmission output grating generates the laser of 1064nm, passes through optical fiber
The laser of the wavelength 1064nm of 15W or so is exported, while exporting 650nm feux rouges instruction laser.
The invention has the benefit that
The multiple pumping sources used have the laser of multiple spectral lines, the shadow for overcoming low temperature or high temperature line drift to export laser
It rings.
Modularized semiconductor pumps source driving circuit, can be ultralow temperature, superhigh temperature, strong under the conditions of no refrigerating and heating combined equipment
It is worked normally under the conditions of vibration and thump.
The interference of the other equipment of pulse pair, the service performance of improving laser device are reduced using photoelectric isolating circuit.
Feux rouges indicates laser, and 1064 laser-irradiated domains of feux rouges instruction are consistent, prevents strong infrared laser from causing to damage to eye
Wound is debugged and convenient using bringing to laser.
The seal box used can guarantee that laser works normally under high humidity environment for military standard seal box.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the scope of protection of the present invention.Therefore, protection scope of the present invention should be with the protection scope of claims
Subject to.
Claims (4)
1. a kind of with the optical fiber laser that can be worked normally under severe conditions, including seal box, multiple multiline pumping sources,
Bundling device, fiber grating, indication laser, modularized semiconductor pumping source driving circuit, indication laser driving circuit, isolation
Circuit, TTL driving circuit, single-chip microcontroller；
The multiple multiline pumping source, bundling device, fiber grating, indication laser, modularized semiconductor pumping source driving electricity
Road, indication laser driving circuit, isolation circuit, TTL driving circuit, single-chip microcontroller are all set in inside the seal box；
The single-chip microcontroller is electrically connected with the TTL driving circuit, and the TTL driving circuit is electrically connected with the isolation circuit, institute
Isolation circuit is stated to be electrically connected respectively at modularized semiconductor pumping source driving circuit and the indication laser driving circuit
It connects；The modularized semiconductor pumping source driving circuit is electrically connected with the multiple multiline pumping source, the multiple multiline
Pumping source issues multiline infrared laser, and the multiline infrared laser forms list Shu Duopu linear light source after entering the bundling device
Into Active Optical Fiber, 1064nm spectrum is formed by the Active Optical Fiber, 1064nm spectrum is humorous in the laser that fiber grating is formed
It shakes intracavitary concussion, forms 1064nm infrared laser；The indication laser driving circuit is electrically connected with the indication laser, institute
It states indication laser sending feux rouges instruction laser and enters fiber grating；The fiber grating receives the feux rouges instruction of laser designator
Output has the 1064nm infrared laser of red optical deictic function after laser.
2. as described in claim 1 a kind of with the optical fiber laser that can be worked normally under severe conditions, which is characterized in that
The spectral line of the multiline pumping source is two or more in 915nm, 940nm, 975nm.
3. as described in claim 1 a kind of with the optical fiber laser that can be worked normally under severe conditions, which is characterized in that
The fiber grating is to be all-trans and output grating.
4. as described in claim 1 a kind of with the optical fiber laser that can be worked normally under severe conditions, which is characterized in that
The fiber grating is be all-trans grating and low transmission output grating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311670.XA CN109586147A (en) | 2018-11-06 | 2018-11-06 | It is a kind of with the optical fiber laser that can be worked normally under severe conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311670.XA CN109586147A (en) | 2018-11-06 | 2018-11-06 | It is a kind of with the optical fiber laser that can be worked normally under severe conditions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109586147A true CN109586147A (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811311670.XA Pending CN109586147A (en) | 2018-11-06 | 2018-11-06 | It is a kind of with the optical fiber laser that can be worked normally under severe conditions |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983482A (en) * | 2012-12-06 | 2013-03-20 | 江苏天元激光科技有限公司 | Fiber laser with multi-wavelength equal-interval pump light sources |
| CN103022865A (en) * | 2012-12-14 | 2013-04-03 | 清华大学 | Multi-wavelength pumping composite fiber optic laser |
| CN105591267A (en) * | 2016-03-22 | 2016-05-18 | 中国人民解放军武汉军械士官学校 | Multi-wavelength pumped temperature control-free solid-state laser and multi-wavelength selection method |
| CN206479816U (en) * | 2017-02-15 | 2017-09-08 | 苏州华天视航智能装备技术有限公司 | A kind of laser dotting controller circuitry |
| CN107681423A (en) * | 2017-09-28 | 2018-02-09 | 深圳市杰普特光电股份有限公司 | Optical fiber laser |
-
2018
- 2018-11-06 CN CN201811311670.XA patent/CN109586147A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983482A (en) * | 2012-12-06 | 2013-03-20 | 江苏天元激光科技有限公司 | Fiber laser with multi-wavelength equal-interval pump light sources |
| CN103022865A (en) * | 2012-12-14 | 2013-04-03 | 清华大学 | Multi-wavelength pumping composite fiber optic laser |
| CN105591267A (en) * | 2016-03-22 | 2016-05-18 | 中国人民解放军武汉军械士官学校 | Multi-wavelength pumped temperature control-free solid-state laser and multi-wavelength selection method |
| CN206479816U (en) * | 2017-02-15 | 2017-09-08 | 苏州华天视航智能装备技术有限公司 | A kind of laser dotting controller circuitry |
| CN107681423A (en) * | 2017-09-28 | 2018-02-09 | 深圳市杰普特光电股份有限公司 | Optical fiber laser |
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Application publication date: 20190405 |
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