CN102856782A - 975nm all-fiber laser - Google Patents
975nm all-fiber laser Download PDFInfo
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- CN102856782A CN102856782A CN2012103291885A CN201210329188A CN102856782A CN 102856782 A CN102856782 A CN 102856782A CN 2012103291885 A CN2012103291885 A CN 2012103291885A CN 201210329188 A CN201210329188 A CN 201210329188A CN 102856782 A CN102856782 A CN 102856782A
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Abstract
The invention relates to a fiber laser, particularly a 975nm all-fiber laser. The laser provided by the invention is characterized in that the output terminal of a semiconductor laser outputting 915nm output waves is connected with the pumping input terminal of a fiber beam combiner; the output terminal of the fiber beam combiner is connected with a high-reflectivity fiber bragg grating; the other terminal of the high-reflectivity fiber bragg grating is connected with a low-reflectivity fiber bragg grating through ytterbium-doped gain fibers; and output fibers are arranged on the output terminal of the low-reflectivity fiber bragg grating. The laser provided by the invention uses a 975nm emission peak of the ytterbium-doped gain fiber pumped by a 915nm semiconductor laser for building a 975nm laser resonator to realize 975nm laser output; and besides continuous laser output, a fiber Q switch or a saturable absorber can further be arranged in the laser cavity, thereby realizing 975nm Q-switching or module-locking laser pulse output. The laser provided by the invention can be widely applied to the fields of high-density data storage, seafloor communication, large screen display (requiring blue-green light for constructing full-color display), detection, life sciences, laser medical treatment and the like.
Description
Technical field
The present invention relates to a kind of fiber laser, especially a kind of full-optical-fiber laser that works in 975 nanometers.
Background technology
As everyone knows, fiber laser is the laser take the optical fiber of doped with rare-earth elements as gain media, by the different rare earth element that mixes, such as bait (Er), an an ancient unit of weight equal to 20 or 24 *taels of silver (Yb), thulium (Tm), holmium (Ho), neodymium (Nd) etc., the service band of fiber laser covered from ultraviolet to infrared.Compare with other lasers, it is low that fiber laser has the laser work threshold value, energy transformation ratio is high, output beam quality good, compact conformation is stablized, need not the light path adjustment, perfect heat-dissipating, the life-span is long and the distinguishing feature such as Maintenance free, therefore is rapidly developed and uses widely.At present, the power output of the fiber laser of continuous wave output is Da Wanwa, has been widely applied to the fields such as material processed processing, welding, mark.
At present, Yb dosed optical fiber mainly is used to development work in the fiber laser of 1030-1100 nano waveband, Yb dosed optical fiber also has emission peak near 975 nanometers in fact, so can use Yb dosed optical fiber to develop the fiber laser that works in 975 nanometers by building suitable laser cavity.Important application of 975 nano optical fibers lasers is exactly to produce blue light to be applied to the fields such as high density data storage, submarine communication, large scale display (needing blue green light to construct panchromatic demonstration), detection, life science, laser medicine by frequency multiplication.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of by building suitable laser cavity, use Yb dosed optical fiber to develop the fiber laser that works in 975 nanometers.
The present invention can reach by following measure.
A kind of 975 nanometer full-optical-fiber lasers, comprise 915 Nano semiconductor lasers, optical-fiber bundling device, the high reflectance Fiber Bragg Grating FBG, mix the ytterbium gain fibre, optical fiber Q opens the light or saturated absorbing body, the antiradar reflectivity Fiber Bragg Grating FBG, output optical fibre, it is characterized in that output wavelength is that the output of the semiconductor laser of 915 nanometers links to each other with the pumping input of optical-fiber bundling device, the optical-fiber bundling device output links to each other with the high reflectance Fiber Bragg Grating FBG, the other end of high reflectance Fiber Bragg Grating FBG is connected with the antiradar reflectivity Fiber Bragg Grating FBG through mixing the ytterbium gain fibre, and antiradar reflectivity Fiber Bragg Grating FBG output is provided with output optical fibre.
Among the present invention the other end of high reflectance Fiber Bragg Grating FBG with mix the ytterbium gain fibre and weld together, be connected an optical fiber Q switching or saturated absorbing body mixing between an ancient unit of weight equal to 20 or 24 *taels of silver gain fibre and the antiradar reflectivity Fiber Bragg Grating FBG, antiradar reflectivity Fiber Bragg Grating FBG output is connected with output optical fibre, and laser pulse is exported through output optical fibre.
Mix the ytterbium gain fibre at the emission peak of 975 nanometers among the present invention under the 915 Nano semiconductor laser pumpings, realized the output of 975 nanometer continuous lasers by the laser cavity of building 975 nanometers.
The present invention utilizes Yb dosed optical fiber under the 915 Nano semiconductor laser pumpings at the emission peak of 975 nanometers, build the laserresonator of 975 nanometers to realize the Laser output of 975 nanometers, except continuous laser output, can also be at inner optical fiber Q switching or the saturated absorbing body introduced of laser cavity, thereby realized accent Q or the mode-locked laser pulse output of 975 nanometers, can be widely used in the fields such as high density data storage, submarine communication, large scale display (needing blue green light to construct panchromatic demonstration), detection, life science, laser medicine.
Description of drawings
Fig. 1 is a kind of structured flowchart of the present invention.
Mark among the figure: 915 Nano semiconductor lasers 1, optical-fiber bundling device 2, high reflectance Fiber Bragg Grating FBG 3, mix ytterbium gain fibre 4, optical fiber Q opens the light or saturated absorbing body 5, antiradar reflectivity Fiber Bragg Grating FBG 6, output optical fibre 7.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
1. as shown in the figure, a kind of 975 nanometer full-optical-fiber lasers, comprise 915 Nano semiconductor lasers 1, optical-fiber bundling device 2, high reflectance Fiber Bragg Grating FBG 3, mix ytterbium gain fibre 4, optical fiber Q opens the light or saturated absorbing body 5, antiradar reflectivity Fiber Bragg Grating FBG 6, output optical fibre 7, the structure of above-mentioned each part is same as the prior art, this does not give unnecessary details, optical fiber Q opens the light or saturated absorbing body 5 can be various forms of Q switchings, comprise acousto-optic modulator (AOM), electrooptic modulator (EOM) etc.Saturated absorbing body can be various forms of saturated absorbing bodies, such as the semiconductor saturated absorbing body, the invention is characterized in that output wavelength is that the output of the semiconductor laser 1 of 915 nanometers links to each other with the pumping input of optical-fiber bundling device 2, optical-fiber bundling device 2 outputs link to each other with high reflectance Fiber Bragg Grating FBG 3, the other end of high reflectance Fiber Bragg Grating FBG 3 is connected with antiradar reflectivity Fiber Bragg Grating FBG 6 through mixing ytterbium gain fibre 4, antiradar reflectivity Fiber Bragg Grating FBG 6 outputs are provided with output optical fibre 7, realize continuous laser output.
The present invention can with the other end of high reflectance Fiber Bragg Grating FBG 3 with mix ytterbium gain fibre 4 and weld together, be connected an optical fiber Q switching or saturated absorbing body 5 mixing between an ancient unit of weight equal to 20 or 24 *taels of silver gain fibre 4 and the antiradar reflectivity Fiber Bragg Grating FBG 6, antiradar reflectivity Fiber Bragg Grating FBG 6 outputs are connected with output optical fibre 7, and laser pulse is exported through output optical fibre.
Mix the ytterbium gain fibre at the emission peak of 975 nanometers among the present invention under the 915 Nano semiconductor laser pumpings, realized the output of 975 nanometer continuous lasers by the laser cavity of building 975 nanometers.
The present invention utilizes Yb dosed optical fiber under the 915 Nano semiconductor laser pumpings at the emission peak of 975 nanometers, build the laserresonator of 975 nanometers to realize the Laser output of 975 nanometers, except continuous laser output, can also be at inner optical fiber Q switching or the saturated absorbing body introduced of laser cavity, thereby realized accent Q or the mode-locked laser pulse output of 975 nanometers, can be widely used in the fields such as high density data storage, submarine communication, large scale display (needing blue green light to construct panchromatic demonstration), detection, life science, laser medicine.
Claims (3)
1. nanometer full-optical-fiber laser, comprise 915 Nano semiconductor lasers, optical-fiber bundling device, the high reflectance Fiber Bragg Grating FBG, mix the ytterbium gain fibre, optical fiber Q opens the light or saturated absorbing body, the antiradar reflectivity Fiber Bragg Grating FBG, output optical fibre, it is characterized in that output wavelength is that the output of the semiconductor laser of 915 nanometers links to each other with the pumping input of optical-fiber bundling device, the optical-fiber bundling device output links to each other with the high reflectance Fiber Bragg Grating FBG, the other end of high reflectance Fiber Bragg Grating FBG is connected with the antiradar reflectivity Fiber Bragg Grating FBG through mixing the ytterbium gain fibre, and antiradar reflectivity Fiber Bragg Grating FBG output is provided with output optical fibre.
2. a kind of 975 nanometer full-optical-fiber lasers according to claim 1, it is characterized in that the other end of high reflectance Fiber Bragg Grating FBG and mix the ytterbium gain fibre welding together, be connected an optical fiber Q switching or saturated absorbing body mixing between an ancient unit of weight equal to 20 or 24 *taels of silver gain fibre and the antiradar reflectivity Fiber Bragg Grating FBG, antiradar reflectivity Fiber Bragg Grating FBG output is connected with output optical fibre.
3. a kind of 975 nanometer full-optical-fiber lasers according to claim 1, it is characterized in that mixing the ytterbium gain fibre at the emission peak of 975 nanometers under the 915 Nano semiconductor laser pumpings, realized the output of 975 nanometer continuous lasers by the laser cavity of building 975 nanometers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103291885A CN102856782A (en) | 2012-09-07 | 2012-09-07 | 975nm all-fiber laser |
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| CN2012103291885A CN102856782A (en) | 2012-09-07 | 2012-09-07 | 975nm all-fiber laser |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219639A (en) * | 2013-05-08 | 2013-07-24 | 江苏天元激光科技有限公司 | Pulse fiber laser of fiber bragg grating modulation Q |
| CN103944043A (en) * | 2014-03-20 | 2014-07-23 | 天津欧泰激光科技有限公司 | In-band pumping 975-nanometer single-frequency fiber laser with ytterbium-doped silica optical fiber |
| CN106159651A (en) * | 2015-04-16 | 2016-11-23 | 南京诺派激光技术有限公司 | A kind of mode locked fiber laser containing circulation optical fiber loop |
| CN111355117A (en) * | 2020-01-19 | 2020-06-30 | 深圳联品激光技术有限公司 | Passive Q-switched pulse fiber laser and output method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202103307U (en) * | 2011-04-29 | 2012-01-04 | 苏州图森激光有限公司 | All-fiber Q-switched fiber laser |
| CN202737313U (en) * | 2012-09-07 | 2013-02-13 | 山东海富光子科技股份有限公司 | 975-nanometer all-fiber laser |
-
2012
- 2012-09-07 CN CN2012103291885A patent/CN102856782A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202103307U (en) * | 2011-04-29 | 2012-01-04 | 苏州图森激光有限公司 | All-fiber Q-switched fiber laser |
| CN202737313U (en) * | 2012-09-07 | 2013-02-13 | 山东海富光子科技股份有限公司 | 975-nanometer all-fiber laser |
Non-Patent Citations (4)
| Title |
|---|
| DINGZHONG YANG ET AL.: "Dual-wavelength high-power Yb-doped double-clad fiber laser based on a few-mode fiber Bragg grating", 《OPTICS & LASER TECHNOLOGY》 * |
| F. ROSER ET AL.: "94 W 980 nm high brightness Yb-doped fiber laser", 《OPTICS EXPRESS》 * |
| L.A.ZENTENO ET AL.: "1 W single-transverse-mode Yb-doped double-clad fibre laser at 978 nm", 《ELECTRONICS LETTERS》 * |
| RICHARD S. QUIMBY ET AL.: "Yb3+ Ring Doping in High-Order-Mode Fiber for High-Power 977-nm Lasers and Amplifiers", 《IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219639A (en) * | 2013-05-08 | 2013-07-24 | 江苏天元激光科技有限公司 | Pulse fiber laser of fiber bragg grating modulation Q |
| CN103944043A (en) * | 2014-03-20 | 2014-07-23 | 天津欧泰激光科技有限公司 | In-band pumping 975-nanometer single-frequency fiber laser with ytterbium-doped silica optical fiber |
| CN106159651A (en) * | 2015-04-16 | 2016-11-23 | 南京诺派激光技术有限公司 | A kind of mode locked fiber laser containing circulation optical fiber loop |
| CN106159651B (en) * | 2015-04-16 | 2019-01-18 | 南京诺派激光技术有限公司 | A kind of mode locked fiber laser containing circulation optical fiber loop |
| CN111355117A (en) * | 2020-01-19 | 2020-06-30 | 深圳联品激光技术有限公司 | Passive Q-switched pulse fiber laser and output method thereof |
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