CN105140763A - All-fiber high-power fiber laser device - Google Patents
All-fiber high-power fiber laser device Download PDFInfo
- Publication number
- CN105140763A CN105140763A CN201510556817.1A CN201510556817A CN105140763A CN 105140763 A CN105140763 A CN 105140763A CN 201510556817 A CN201510556817 A CN 201510556817A CN 105140763 A CN105140763 A CN 105140763A
- Authority
- CN
- China
- Prior art keywords
- optical fibre
- bundling device
- fiber
- doped fiber
- signal output
- 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.)
- Granted
Links
Abstract
Provided is an all-fiber high-power fiber laser device which comprises a forward beam combiner, a doped fiber optical path module, a backward beam combiner, an end cap, a first pump laser, and a second pump laser. Only two fusion welding points are arranged on a whole optical path. Multiple devices are integrated into the doped fiber optical path module such that a laser oscillation grade and a laser amplifying stage can be acquired on the same doped fiber. Thus, the amount of fusion welding points are effectively reduced and problems of fiber core light leakage due to fusion welding and a decrease in light conversion efficiency and heated fusion welding points due to leakage are prevented. Further, a dual-end pumping structure can be directly used in order to increase output power.
Description
Technical field
The present invention relates to a kind of all-fiber high-capacity optical fiber laser, belong to photoelectron technical field.
Background technology
Full-optical-fiber laser has compact conformation, perfect heat-dissipating, conversion efficiency is high, beam quality is excellent and steady performance is subject to extensive concern.Along with high-power semiconductor laser technical development and doubly clad optical fiber invention, greatly improve fiber laser power output level, so far, large scheme is placed by laser generation level, realize single fiber and export the multikilowatt full-optical-fiber laser with good beam quality, and close bundle technology by light beam, the super myriawatt of power output of high-capacity optical fiber laser, be widely used in each industrial processes industry such as automobile making, shipping industry, railway locomotive manufacture, military processing, metal material processing, and constantly expand to more wide application.
In all-fiber kilowatt level optical fiber laser reported at present, general employing is by each discrete device welding composition oscillator stage kilowatt output level high power, as document " Experimentalstudyonkilowattfiberlaserinanall-fiberconfig uration " (ChineseOpticsLetters, Vol.8, 021404-1) and document " 1kW full-optical-fiber laser experimental study " (" laser and infrared " Vol.42, 1127-1130), or adopt each discrete device welding composition oscillator stage to add amplifying stage kilowatt output level high power, as document " 1.1kWYtterbiumMonolithicFiberLaserwithAssembledEnd-pumpS chemetoCoupleHighBrightnessSingleEmitters " (IEEEPhotonicsTechnologyLetters, VOL.23, 697-699).In these schemes, the welding of device can cause multiple fusion point appears in whole light path, and each fusion point heating and flashlight are leaked to covering becomes one of key factor of restriction lifting all-fiber multikilowatt laser output power, light light conversion efficiency and deteriorated beam quality.
Document " 1-kilowattCWall-fiberlaseroscillatorpumpedwithwavelength beam-combineddiodestacks " (OpticsExpress, Vol.20,3296-3301) anti-for height fiber grating and forward pumping bundling device are merged into a device and cladding light stripper, output raster stage end face are merged into a device by employing, oscillator stage fusion point is reduced to two, obtains multikilowatt high power single oscillator stage fiber laser and export.But still there is two Active Optical Fibers and passive fiber fusion point in this scheme in chamber, laser in chamber repeatedly roundtrip can go out heating and leakage signal light at two fusion points, and this scheme can only be used for unidirectional pumping and single oscillator stage.
Summary of the invention
The technical problem that the present invention solves is: overcome the deficiencies in the prior art, provide a kind of all-fiber high-capacity optical fiber laser, this laser is weldless point between oscillator stage and amplifying stage, is beneficial to acquisition high power.
Technical solution of the present invention is: a kind of all-fiber high-capacity optical fiber laser, comprises forward bundling device, doped fiber light path module, oppositely bundling device, end cap, the first pump laser and the second pump laser;
Described forward bundling device comprises N number of pumping input optical fibre, a signal input optical fibre and a signal output optical fibre, the wherein pumping input optical fibre of forward bundling device and signal input optical fibre homonymy, the second pump laser welding is on the pumping input optical fibre of forward bundling device;
Reverse bundling device comprises N number of pumping input optical fibre, a signal input optical fibre and a signal output optical fibre, wherein oppositely the pumping input optical fibre of bundling device and signal output optical fibre homonymy, first pump laser welding is on the pumping input optical fibre of reverse bundling device, and end cap is made on the signal output optical fibre of reverse bundling device;
Doped fiber light path module comprises doped fiber, cladding light stripper, antiradar reflectivity grating and high reflectance double clad grating; The signal output optical fibre of forward bundling device and one end welding pumping of doped fiber, the other end of doped fiber and the signal input optical fibre welding pumping of reverse bundling device;
High reflectance double clad grating is engraved on the signal output optical fibre of doped fiber or forward bundling device, antiradar reflectivity grating is engraved on the middle part of doped fiber, cladding light stripper is produced on doped fiber, and the distance between cladding light stripper and antiradar reflectivity grating is greater than 10cm, is less than 1m;
The reflectivity of described antiradar reflectivity grating is less than 30%, and the reflectivity of high reflectance double clad grating is greater than 99%.
Described cladding light stripper bears signal light power and is greater than 500W, can divest pump power and be greater than 50W, divest efficiency and be greater than 13dB;
Described doped fiber is double clad or how clad doped optical fiber, and inner cladding diameter is 200-800 micron, and core diameter is 20-80 micron, and fibre core doping with rare-earth ions is one or more combination in ytterbium, erbium, thulium.
The signal output optical fibre of described forward bundling device is all identical with the cladding diameter of doped fiber in doped fiber light path module with the cladding diameter of the signal input optical fibre of reverse bundling device, and the core diameter of reverse bundling device signal input optical fibre is more than or equal to the core diameter of doped fiber.
If high reflectance double clad grating is arranged in doped fiber light path module, doped fiber then between the signal output optical fibre of forward bundling device and high reflectance double clad grating is no more than 50cm, and the core diameter of forward bundling device signal output optical fibre is more than or equal to the core diameter of doped fiber;
If high reflectance double clad grating is engraved on the signal output optical fibre of forward bundling device, then the core diameter of forward bundling device signal output optical fibre equals the core diameter of doped fiber.
The insertion loss of forward bundling device to the second pump laser Output of laser is less than 0.2dB, and the insertion loss of reverse bundling device to the signal laser that the signal input optical fibre by reverse bundling device inputs is less than 0.1dB.
The present invention's advantage is compared with prior art:
(1) the present invention is by being integrated on doped fiber by antiradar reflectivity grating, cladding light stripper etc., direct minimizing fusion point number, reduce the flashlight leakage because Active Optical Fiber multiple in multiple optical fiber fusion welding point, particularly resonant cavity and passive fiber welding cause and heating problem.
(2) the present invention is by being integrated into a doped fiber by oscillator stage and amplifying stage, and by forward and backward pumping, effectively improves power output.
(3) the present invention is by being made near antiradar reflectivity grating by high power cladding power stripper, and ensure that cladding light stripper bears signal light power and is greater than 500W, pump power can be divested and be greater than 50W, divest efficiency and be greater than 13dB, can prevent cladding light from entering the first pump laser and the second pump laser, thus avoid the damage that may cause the first pump laser and the second pump laser, ensure that laser device reliability.
(4) if when in the present invention, high reflectance double clad grating is arranged in doped fiber light path module, the signal output optical fibre of forward bundling device is identical with the cladding diameter of doped fiber with the cladding diameter of the signal input optical fibre of reverse bundling device, the core diameter of forward bundling device signal output optical fibre is more than or equal to the core diameter of doped fiber, effectively prevent pump light and flashlight in the leakage of fusion point, improve the power output of flashlight.
(5) if when in the present invention, high reflectance double clad grating is positioned on the signal output optical fibre of forward bundling device, the core diameter of forward bundling device signal output optical fibre equals the core diameter of doped fiber, avoid because the flashlight leakage and fusion point heating caused is not mated in mould field, and improve efficiency.
Accompanying drawing explanation
Fig. 1 high-capacity optical fiber laser structural representation;
Fig. 2 doped fiber light path module schematic diagram;
Fig. 3 forward bundling device schematic diagram;
The reverse bundling device schematic diagram of Fig. 4.
Embodiment
As shown in Figure 1, a kind of all-fiber high-capacity optical fiber laser, comprises forward bundling device 11, doped fiber light path module 12, oppositely bundling device 13, end cap 14, first pump laser 15, second pump laser 16;
Described forward bundling device 11 comprises N number of pumping input optical fibre 33, signal input optical fibre 31 and a signal output optical fibre 32, wherein pumping input optical fibre 33 and signal input optical fibre 31 homonymy, and the second pump laser 16 welding is on pumping input optical fibre 33;
Reverse bundling device 13 comprises N number of pumping input optical fibre 34, a signal input optical fibre 35 and a signal output optical fibre 36, wherein pumping input optical fibre 34 and signal output optical fibre 36 homonymy, first pump laser 15 welding is on the pumping input optical fibre 34 of reverse bundling device 13, and end cap 14 is made on the signal output optical fibre 36 of reverse bundling device 13.
As shown in Figure 2, doped fiber light path module 12 comprises doped fiber 21, cladding light stripper 22, antiradar reflectivity grating 23, high reflectance double clad grating 24, high reflectance double clad grating 24 is engraved on the signal output optical fibre of doped fiber or forward bundling device 11, and its reflectivity is greater than 99%.Antiradar reflectivity grating 23 is directly engraved in the middle part of doped fiber 21, reflectivity is less than 30%, before or after antiradar reflectivity grating 23, directly on doped fiber, make cladding light stripper 22, the distance between cladding light stripper 22 and antiradar reflectivity grating 23 is greater than 10cm, is less than 1m.Cladding light stripper can bear signal light power and be greater than 500W, can divest pump power and be greater than 50W, divest efficiency and be greater than 13dB.High-capacity optical fiber laser adopts both-end pumping structure, oscillator stage adopts signal output optical fibre 32 and the doped fiber light path module 12 welding pumping of forward bundling device 11, and amplifying stage adopts signal input optical fibre 35 and the doped fiber light path module 12 welding pumping of reverse bundling device 13.Superpower laser oscillator stage and amplifying stage on same doped fiber, weldless point in doped fiber light path 12.If high reflectance double clad grating 24 is arranged in doped fiber light path module 12, doped fiber then between forward bundling device 11 and high reflectance double clad grating 24 is no more than 50cm, the signal output optical fibre 32 of forward bundling device 11 and the cladding diameter of the signal input optical fibre 35 of reverse bundling device 13 are all identical with the cladding diameter of doped fiber 21 in doped fiber light path module 12, the core diameter of the signal output optical fibre 32 of forward bundling device 11 is more than or equal to the core diameter of doped fiber 21, the core diameter of reverse bundling device 13 signal input optical fibre 35 is more than or equal to the core diameter of doped fiber 21.
If high reflectance double clad grating 24 is engraved on the signal output optical fibre 32 of forward bundling device 11, the signal output optical fibre 32 of forward bundling device 11 directly and doped fiber light path module 12 welding.The signal output optical fibre 32 of forward bundling device 11 and the cladding diameter of the signal input optical fibre 35 of reverse bundling device 13 are all identical with the cladding diameter of doped fiber 21 in doped fiber light path module 12, the core diameter of the signal output optical fibre 32 of forward bundling device 11 equals the core diameter of doped fiber 21, and the core diameter of reverse bundling device 13 signal input optical fibre 35 is more than or equal to the core diameter of doped fiber 21.The insertion loss of forward bundling device 11 to the second pump laser 16 Output of laser is less than 0.2dB, and the insertion loss of reverse bundling device 13 pairs of signal lasers is less than 0.1dB.
Embodiment:
A kind of all-fiber high-capacity optical fiber laser, comprises forward bundling device 11, doped fiber light path module 12, oppositely bundling device 13, end cap 14, first pump laser 15, second pump laser 16.
As shown in Figure 3, forward bundling device 11 comprises 6 multimode pumping input optical fibres 33, a signal input optical fibre 31 and a signal output optical fibre 32, wherein pumping input optical fibre 33 and signal input optical fibre 31 homonymy, the second pump laser 16 welding is on pumping input optical fibre 33.As shown in Figure 4, reverse bundling device 13 comprises 6 multimode pumping input optical fibres 34, a signal input optical fibre 35 and a signal output optical fibre 36, wherein pumping input optical fibre 34 and signal output optical fibre 36 homonymy, first pump laser 15 welding is on the pumping input optical fibre 34 of reverse bundling device 13, and end cap 14 is made on the signal output optical fibre 36 of reverse bundling device 13.
Whole light path comprises only two fusion points 17 on oscillator stage and amplifying stage.Doped fiber light path module 12 comprises doped fiber 21, cladding light stripper 22, antiradar reflectivity grating 23, high reflectance double clad grating 24.High reflectance double clad grating 24 is engraved on doped fiber 21.Doped fiber 21 is Double Cladding Ytterbium Doped Fiber, and inner cladding diameter is 400 microns, and core diameter is 20 microns, and length is 35m.High reflectance double clad grating 24 reflectivity is 99.3%, and antiradar reflectivity grating 23 is apart from high reflectance double clad grating 20m, and reflectivity is 9.4%.Before antiradar reflectivity grating 23, make cladding light stripper 22, the distance between cladding light stripper 22 and antiradar reflectivity grating 23 is 20cm.It is 1000W that the cladding light stripper 22 made can bear signal light power, and can divest cladding light power is 200W, and divesting efficiency is 13.6dB.Adopt both-end pumping structure to carry out pumping, oscillator stage adopts forward bundling device 11 and doped fiber light path module 12 welding to carry out pumping, and amplifying stage adopts reverse bundling device 13 and doped fiber light path module 12 welding pumping.Doped fiber between forward bundling device 11 and high reflectance double clad grating 24 is 10cm.Forward bundling device 11 and reverse bundling device 13 comprise 6 multimode pumping input optical fibres 33,34 respectively, forward bundling device 11 is 0.1dB to the insertion loss that the second pump laser 16 exports, and the insertion loss of reverse bundling device 13 to the signal laser inputted by signal input optical fibre 35 is 0.05dB.。
Covering and the core diameter of multimode pumping input optical fibre 33 and multimode pumping input optical fibre 34 are respectively 220 and 200 microns.Signal input optical fibre 31, signal output optical fibre 32, signal input optical fibre 35 are all identical with the cladding diameter of doped fiber 21 with the cladding diameter of signal output optical fibre 36, and core diameter is 30um.First pump laser 15 and the second pump laser 16 all adopt peak power output to be the 976nm fiber coupled laser diode of 180W, and this semiconductor laser exports coupled fiber covering and core diameter is respectively 220 and 200 microns.
The present invention is by being integrated in doped fiber light path module by multiple device, laser oscillation level and amplifying stage can be obtained on same doped fiber, effective minimizing fusion point number, avoid the fiber core light caused because of welding to reveal and reduce and fusion point heating problem because revealing the light light conversion efficiency caused, and can directly adopt both-end pumping structure, improve power output.
Be more than the embodiment of this patent, but be not limited in this kind of execution mode.
The content be not described in detail in specification of the present invention belongs to the known technology of those skilled in the art.
Claims (6)
1. an all-fiber high-capacity optical fiber laser, is characterized in that: comprise forward bundling device (11), doped fiber light path module (12), oppositely bundling device (13), end cap (14), the first pump laser (15) and the second pump laser (16);
Described forward bundling device (11) comprises N number of pumping input optical fibre, a signal input optical fibre and a signal output optical fibre, the wherein pumping input optical fibre of forward bundling device (11) and signal input optical fibre homonymy, the second pump laser (16) welding is on the pumping input optical fibre of forward bundling device (11);
Reverse bundling device (13) comprises N number of pumping input optical fibre, a signal input optical fibre and a signal output optical fibre, wherein oppositely the pumping input optical fibre of bundling device (13) and signal output optical fibre homonymy, first pump laser (15) welding is on the pumping input optical fibre of reverse bundling device (13), and end cap (14) is made on the signal output optical fibre of reverse bundling device (13);
Doped fiber light path module (12) comprises doped fiber (21), cladding light stripper (22), antiradar reflectivity grating (23) and high reflectance double clad grating (24); The signal output optical fibre of forward bundling device (11) and one end welding pumping of doped fiber (21), the other end of doped fiber (21) and the signal input optical fibre welding pumping of reverse bundling device (13);
High reflectance double clad grating (24) is engraved on the signal output optical fibre of doped fiber (21) or forward bundling device (11), antiradar reflectivity grating (23) is engraved on the middle part of doped fiber (21), cladding light stripper (22) is produced on doped fiber (21), distance between cladding light stripper (22) and antiradar reflectivity grating (23) is greater than 10cm, is less than 1m;
The reflectivity of described antiradar reflectivity grating (23) is less than 30%, and the reflectivity of high reflectance double clad grating (24) is greater than 99%.
2. a kind of all-fiber high-capacity optical fiber laser according to claim 1, is characterized in that: described cladding light stripper (22) is born signal light power and is greater than 500W, can divest pump power and be greater than 50W, divest efficiency and be greater than 13dB.
3. a kind of all-fiber high-capacity optical fiber laser according to claim 1 and 2, it is characterized in that: described doped fiber (21) is double clad or how clad doped optical fiber, inner cladding diameter is 200-800 micron, core diameter is 20-80 micron, and fibre core doping with rare-earth ions is one or more combination in ytterbium, erbium, thulium.
4. a kind of all-fiber high-capacity optical fiber laser according to claim 1, it is characterized in that: the signal output optical fibre of described forward bundling device (11) and the cladding diameter of the signal input optical fibre of reverse bundling device (13) are all identical with the cladding diameter of doped fiber (21) in doped fiber light path module (12), and the core diameter of reverse bundling device (13) signal input optical fibre is more than or equal to the core diameter of doped fiber (21).
5. a kind of all-fiber high-capacity optical fiber laser according to claim 4, it is characterized in that: if high reflectance double clad grating (24) is arranged in doped fiber light path module (12), doped fiber then between the signal output optical fibre of forward bundling device (11) and high reflectance double clad grating (24) is no more than 50cm, and the core diameter of forward bundling device (11) signal output optical fibre is more than or equal to the core diameter of doped fiber (21);
If high reflectance double clad grating (24) is engraved on the signal output optical fibre of forward bundling device (11), then the core diameter of forward bundling device (11) signal output optical fibre equals the core diameter of doped fiber (21).
6. a kind of all-fiber high-capacity optical fiber laser according to claim 1, it is characterized in that: the insertion loss of forward bundling device (11) to the second pump laser (16) Output of laser is less than 0.2dB, the insertion loss of reverse bundling device (13) to the signal laser that the signal input optical fibre by reverse bundling device (13) inputs is less than 0.1dB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510556817.1A CN105140763B (en) | 2015-09-02 | 2015-09-02 | A kind of all -fiber high-capacity optical fiber laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510556817.1A CN105140763B (en) | 2015-09-02 | 2015-09-02 | A kind of all -fiber high-capacity optical fiber laser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105140763A true CN105140763A (en) | 2015-12-09 |
| CN105140763B CN105140763B (en) | 2018-12-21 |
Family
ID=54726027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510556817.1A Active CN105140763B (en) | 2015-09-02 | 2015-09-02 | A kind of all -fiber high-capacity optical fiber laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105140763B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732641A (en) * | 2017-11-10 | 2018-02-23 | 山东大学 | High-capacity optical fiber laser |
| CN108092124A (en) * | 2017-10-30 | 2018-05-29 | 北京航天控制仪器研究所 | A kind of optical fiber laser |
| CN108562976A (en) * | 2018-03-31 | 2018-09-21 | 深圳市创鑫激光股份有限公司 | High power laser light coupler and its assembly method |
| CN109217098A (en) * | 2018-10-29 | 2019-01-15 | 中国人民解放军国防科技大学 | Method for suppressing stimulated Raman scattering by fiber laser oscillator |
| CN110299663A (en) * | 2019-07-29 | 2019-10-01 | 华中科技大学鄂州工业技术研究院 | All -fiber dual wavelength pumps thulium-doped fiber laser |
| WO2020264126A1 (en) * | 2019-06-27 | 2020-12-30 | Nlight, Inc. | Reverse pumped fiber amplifier with cladding light stripper between segments of active fiber |
| CN112859255A (en) * | 2019-11-28 | 2021-05-28 | 讯芯电子科技（中山）有限公司 | Optical communication module and manufacturing method thereof |
| CN113097843A (en) * | 2021-03-26 | 2021-07-09 | 中国人民解放军国防科技大学 | Integrated non-melting point high-efficiency optical fiber laser |
| CN113810119A (en) * | 2021-11-05 | 2021-12-17 | 青岛光盈光电技术有限责任公司 | Optical communication system of 5G forward transmission MWDM system |
| CN113917608A (en) * | 2021-09-17 | 2022-01-11 | 上海飞博激光科技有限公司 | Optical fiber reverse beam combiner and preparation method thereof |
| CN116260031A (en) * | 2022-12-31 | 2023-06-13 | 湖南大科激光有限公司 | Pump sharing type narrow linewidth fiber laser |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009077636A1 (en) * | 2007-12-14 | 2009-06-25 | Corelase Oy | Means of coupling light into optical fibers and methods of manufacturing a coupler |
| CN103066482A (en) * | 2012-12-28 | 2013-04-24 | 清华大学 | Bidirectional pumping fiber laser |
| CN103490271A (en) * | 2013-09-03 | 2014-01-01 | 华中科技大学 | Optical fiber and fiber laser comprising optical fiber |
| CN203521884U (en) * | 2013-09-17 | 2014-04-02 | 武汉洛芙科技有限公司 | All-fiber 100W Tm doped fiber laser |
| CN104466630A (en) * | 2013-09-12 | 2015-03-25 | 中国兵器装备研究院 | High-power fiber laser |
-
2015
- 2015-09-02 CN CN201510556817.1A patent/CN105140763B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009077636A1 (en) * | 2007-12-14 | 2009-06-25 | Corelase Oy | Means of coupling light into optical fibers and methods of manufacturing a coupler |
| CN103066482A (en) * | 2012-12-28 | 2013-04-24 | 清华大学 | Bidirectional pumping fiber laser |
| CN103490271A (en) * | 2013-09-03 | 2014-01-01 | 华中科技大学 | Optical fiber and fiber laser comprising optical fiber |
| CN104466630A (en) * | 2013-09-12 | 2015-03-25 | 中国兵器装备研究院 | High-power fiber laser |
| CN203521884U (en) * | 2013-09-17 | 2014-04-02 | 武汉洛芙科技有限公司 | All-fiber 100W Tm doped fiber laser |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092124B (en) * | 2017-10-30 | 2019-12-06 | 北京航天控制仪器研究所 | Optical fiber laser |
| CN108092124A (en) * | 2017-10-30 | 2018-05-29 | 北京航天控制仪器研究所 | A kind of optical fiber laser |
| CN107732641A (en) * | 2017-11-10 | 2018-02-23 | 山东大学 | High-capacity optical fiber laser |
| CN108562976A (en) * | 2018-03-31 | 2018-09-21 | 深圳市创鑫激光股份有限公司 | High power laser light coupler and its assembly method |
| CN109217098A (en) * | 2018-10-29 | 2019-01-15 | 中国人民解放军国防科技大学 | Method for suppressing stimulated Raman scattering by fiber laser oscillator |
| WO2020264126A1 (en) * | 2019-06-27 | 2020-12-30 | Nlight, Inc. | Reverse pumped fiber amplifier with cladding light stripper between segments of active fiber |
| CN110299663A (en) * | 2019-07-29 | 2019-10-01 | 华中科技大学鄂州工业技术研究院 | All -fiber dual wavelength pumps thulium-doped fiber laser |
| CN112859255A (en) * | 2019-11-28 | 2021-05-28 | 讯芯电子科技（中山）有限公司 | Optical communication module and manufacturing method thereof |
| CN113097843A (en) * | 2021-03-26 | 2021-07-09 | 中国人民解放军国防科技大学 | Integrated non-melting point high-efficiency optical fiber laser |
| CN113917608A (en) * | 2021-09-17 | 2022-01-11 | 上海飞博激光科技有限公司 | Optical fiber reverse beam combiner and preparation method thereof |
| CN113810119A (en) * | 2021-11-05 | 2021-12-17 | 青岛光盈光电技术有限责任公司 | Optical communication system of 5G forward transmission MWDM system |
| CN116260031A (en) * | 2022-12-31 | 2023-06-13 | 湖南大科激光有限公司 | Pump sharing type narrow linewidth fiber laser |
| CN116260031B (en) * | 2022-12-31 | 2024-04-19 | 湖南大科激光有限公司 | Pump sharing type narrow linewidth fiber laser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105140763B (en) | 2018-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105140763A (en) | All-fiber high-power fiber laser device | |
| CN103701021B (en) | A kind of all-fiber pulse laser of resonator cavity crossmodulation | |
| CN104466630A (en) | High-power fiber laser | |
| CN103560382A (en) | Single fiber myriawatt-level all-optical-fiber laser system based on same band pumping technology | |
| CN106911059B (en) | All optical fibre structure 980nm wave band high-power fiber oscillator | |
| CN108493748B (en) | ytterbium-Raman mixed gain random fiber laser based on fiber core pumping | |
| CN103915750A (en) | Optical-fiber laser device | |
| CN103682965B (en) | All optical fibre structure 980nm wave band Compound Cavity single mode fiber laser | |
| CN111755940A (en) | Annular pump optical fiber laser amplifier | |
| CN114336244A (en) | Optical fiber laser | |
| CN107370011A (en) | Large-power optical fiber amplifier | |
| CN105281185A (en) | Multi-core fiber laser and preparation method of the same | |
| CN102520474A (en) | Side pump all fiber and laser and amplifier based on all fiber | |
| CN213304578U (en) | Integrated all-fiber oscillator | |
| CN212230771U (en) | High-power optical fiber laser | |
| CN106711747B (en) | Composite cavity structure optical fiber oscillator based on same-band pumping technology | |
| CN212935129U (en) | Fusion point-free optical fiber laser | |
| CN209298558U (en) | A kind of hectowatt grade high power full polarization fiber amplifier | |
| CN103872559A (en) | Thulium doped all-fiber laser outputting high-power two micrometer laser | |
| CN213717242U (en) | Novel fiber laser | |
| CN213636601U (en) | All-fiber 980nm waveband high-power optical fiber oscillator | |
| CN205122987U (en) | Multicore fiber laser | |
| CN212517877U (en) | High-efficiency short-gain fiber laser | |
| CN212751394U (en) | High-power optical fiber laser pumping coupling system | |
| CN108711730B (en) | High-stability optical fiber laser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |