CN102904153A - Passive Q-switching all-fiber laser utilizing doped fiber as saturated absorption body - Google Patents
Passive Q-switching all-fiber laser utilizing doped fiber as saturated absorption body Download PDFInfo
- Publication number
- CN102904153A CN102904153A CN2012104561171A CN201210456117A CN102904153A CN 102904153 A CN102904153 A CN 102904153A CN 2012104561171 A CN2012104561171 A CN 2012104561171A CN 201210456117 A CN201210456117 A CN 201210456117A CN 102904153 A CN102904153 A CN 102904153A
- Authority
- CN
- China
- Prior art keywords
- fiber
- optical
- doped fiber
- passive
- laser
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a passive Q-switching all-fiber laser utilizing a doped fiber as a saturated absorption body. A linear cavity or an annular cavity is adopted. A linear cavity passive Q-switching all-fiber laser comprises a pumping semiconductor laser, a fiber combiner, a high-reflectance fiber bragg grating (HR-FBG), the doped fiber utilized as a saturated absorption body, a doped fiber utilized as a gain medium, low reflectivity fiber bragg grating and an output fiber; and an annular cavity passive Q-switching all-fiber laser comprises a pumping semiconductor laser, a fiber combiner, a doped fiber utilized as a gain medium, a fiber isolator, a doped fiber utilized as a saturated absorption body, a fiber output coupler and an output fiber. The passive Q-switching all-fiber laser utilizing the doped fiber as the saturated absorption body provided by the invention has the advantages that the doped fiber is utilized as the saturated absorption body, compared with Q-switching devices such as an acoustooptic modulator and an electrooptical modulator, the passive Q-switching all-fiber laser utilizing the doped fiber as the saturated absorption body really realizes all fibration, and the cost is greatly reduced.
Description
Technical field
The present invention relates to a kind of fiber laser, especially a kind of doped fiber that uses belongs to optical fiber and laser technology field as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body.
Background technology
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 is 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.
The fiber laser of impulse type can provide high peak power and pulse energy, is widely applied in some applications.Transferring Q is a kind of effective ways that obtain high pulse energy and peak power.The accent Q of fiber laser is divided into and initiatively transfers Q and passive Q-adjusted dual mode, and initiatively transferring Q is by the loss in the external signal control laser resonant cavity, changes that threshold value realizes transferring Q in the chamber.At present initiatively to transfer the method for Q to have a variety of for fiber laser, as acousto-optic Q open the light, electro-optical Q-switch, magneto-optical Q switchs etc.; Passive Q-adjusted generally is to put into a saturated absorbing body in the chamber, thus saturated absorbing body to the Optical Absorption rate be light intensity relevant reached modulation to light.The saturated absorbing body that uses at present has the semiconductor saturated absorbing body, based on the saturated absorbing body of carbon nano-tube and Graphene etc.But the general comparison of these saturated absorbing bodies is complicated, and also insertion loss is introduced in more or less meeting.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, propose that a kind of cost is low, the use doped fiber of having realized full fiberize is as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body.
The present invention is realized by the following technical programs.
A kind of doped fiber that uses is as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body, the output that it is characterized in that the pumping semiconductor laser links to each other with the pumping input of optical-fiber bundling device, a high reflective fine Bragg grating links to each other with the doped fiber that is used for saturated absorbing body, the doped fiber other end links to each other with the optical-fiber bundling device signal input part, the optical-fiber bundling device signal output part is welded to one with the doped fiber that is used as gain media, the doped fiber other end is welded to antiradar reflectivity Fiber Bragg Grating FBG one end, the antiradar reflectivity Fiber Bragg Grating FBG other end is connected with output optical fibre, form the passive Q-adjusted full-optical-fiber laser of linear cavity, laser pulse is exported by output optical fibre.
A kind of doped fiber that uses is as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body, the output that it is characterized in that the pumping semiconductor laser links to each other with the pumping input of optical-fiber bundling device, the optical-fiber bundling device output welds together with the doped fiber that is used as gain media, the doped fiber other end links to each other with a fibre optic isolater, the signal port of the fibre optic isolater other end and another optical-fiber bundling device is welded to one, the optical-fiber bundling device other end connects one section as the doped fiber of saturated absorbing body, the doped fiber other end is connected with optical fiber output coupler input port, an output of output coupler is connected with the optical-fiber bundling device signal input part, form the passive Q-adjusted full-optical-fiber laser of annular chamber, another output port is connected with output optical fibre, and laser pulse is exported by output optical fibre.
Pumping semiconductor laser of the present invention use one section not by the doped fiber of pumping diode pumped as saturated absorbing body, than acousto-optic, electrooptic modulator, really realized the passive Q-adjusted pulse laser output of full fiberize, simultaneously decrease cost.
Doped fiber of the present invention can be the optical fiber of any rare earth element of doping, such as, can be Yb dosed optical fiber, Er-doped fiber, thulium doped fiber is mixed holmium optical fiber etc.
Doped fiber of the present invention can be the optical fiber of the same rare earth element of doping, also can be the optical fiber of the different elements of doping, such as: can all be Er-doped fiber; Also can be with Er-doped fiber as gain media, with one section thulium doped fiber as saturated absorbing body.
Doped fiber of the present invention can be single cladded fiber, also can doubly clad optical fiber.
Advantage of the present invention is to use doped fiber to realize the real full passive Q-regulaitng laser of fiberize as saturated absorbing body, opens the light than the use acousto-optic, and the active Q adjusting optical fiber laser that electrooptical switching etc. are realized, cost has obtained decrease.
Description of drawings:
Fig. 1 is a kind of structured flowchart of the present invention.
Fig. 2 is another kind of structured flowchart of the present invention.
Fig. 3. the optical pulse waveform of passive Q-adjusted full-optical-fiber laser output.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1: a kind of doped fiber that uses is as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body, the output that it is characterized in that pumping semiconductor laser (101) links to each other with the pumping input of optical-fiber bundling device (104), a high reflective fine Bragg grating (102) links to each other with the doped fiber (103) that is used for saturated absorbing body, the doped fiber other end links to each other with optical-fiber bundling device (104) signal input part, optical-fiber bundling device (104) signal output part is welded to one with the doped fiber (105) that is used as gain media, doped fiber (105) other end is welded to antiradar reflectivity Fiber Bragg Grating FBG (106) one ends, antiradar reflectivity Fiber Bragg Grating FBG (106) other end is connected with output optical fibre (107), form the passive Q-adjusted full-optical-fiber laser of linear cavity, laser pulse is exported by output optical fibre (107).
The present invention use one section not by the doped fiber of pumping diode pumped as saturated absorbing body, than acousto-optic, electrooptic modulator has really been realized the passive Q-adjusted pulse laser output of full fiberize, simultaneously decrease cost.
Described doped fiber can be the optical fiber of any rare earth element of doping, such as, can be Yb dosed optical fiber, Er-doped fiber, thulium doped fiber is mixed holmium optical fiber etc.Can be that the mix optical fiber of same rare earth element also can be the optical fiber of different elements of mixing as saturated absorbing body with as the doped fiber of gain media, such as: can all be Er-doped fiber; Also can be with Er-doped fiber as gain media, with one section thulium doped fiber as saturated absorbing body.
Described doped fiber can be single cladded fiber, also can doubly clad optical fiber.
As shown in Figure 2: a kind of doped fiber that uses is as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body, the output that it is characterized in that pumping semiconductor laser (101) links to each other with the pumping input of optical-fiber bundling device (104), optical-fiber bundling device (104) output welds together with the doped fiber (105) that is used as gain media, doped fiber (105) other end links to each other with a fibre optic isolater (201), the signal port of fibre optic isolater (201) other end and another optical-fiber bundling device (104) is welded to one, optical-fiber bundling device (104) other end connects one section as the doped fiber (103) of saturated absorbing body, doped fiber (103) other end is connected with optical fiber output coupler (202) input port, an output of output coupler (202) is connected with the optical-fiber bundling device signal input part, form the passive Q-adjusted full-optical-fiber laser of annular chamber, another output port is connected with output optical fibre (107), and laser pulse is exported by output optical fibre (107).
The present invention use one section not by the doped fiber of pumping diode pumped as saturated absorbing body, than acousto-optic, electrooptic modulator has really been realized the passive Q-adjusted pulse laser output of full fiberize, simultaneously decrease cost.
Above-mentioned doped fiber can be the optical fiber of any rare earth element of doping, such as, can be Yb dosed optical fiber, Er-doped fiber, thulium doped fiber is mixed holmium optical fiber etc.Two kinds of doped fibers that are used as saturated absorbing body and gain media can be that the optical fiber of the same rare earth element of doping also can be the optical fiber of the different elements of doping, such as: can all be Er-doped fiber; Also can be with Er-doped fiber as gain media, with one section thulium doped fiber as saturated absorbing body.
Above-mentioned doped fiber can be single cladded fiber, also can doubly clad optical fiber.
Fig. 3 has demonstrated the optical pulse waveform of a passive Q-adjusted full-optical-fiber laser output of the present invention.
Advantage of the present invention is to use doped fiber to realize the passive Q-regulaitng laser of real full fiberize as saturated absorbing body.Open the light than the use acousto-optic, the active Q adjusting optical fiber laser that electrooptical switching etc. are realized, cost has obtained decrease.
Claims (8)
1. one kind is used doped fiber as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body, the output that it is characterized in that the pumping semiconductor laser links to each other with the pumping input of optical-fiber bundling device, a high reflective fine Bragg grating links to each other with the doped fiber that is used for saturated absorbing body, the doped fiber other end links to each other with the optical-fiber bundling device signal input part, the optical-fiber bundling device signal output part is welded to one with the doped fiber that is used as gain media, the doped fiber other end is welded to antiradar reflectivity Fiber Bragg Grating FBG one end, the antiradar reflectivity Fiber Bragg Grating FBG other end is connected with output optical fibre, form the passive Q-adjusted full-optical-fiber laser of linear cavity, laser pulse is exported by output optical fibre.
2. one kind is used doped fiber as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body, the output that it is characterized in that the pumping semiconductor laser links to each other with the pumping input of optical-fiber bundling device, the optical-fiber bundling device output welds together with the doped fiber that is used as gain media, the doped fiber other end links to each other with a fibre optic isolater, the signal port of the fibre optic isolater other end and another optical-fiber bundling device is welded to one, the optical-fiber bundling device other end connects one section as the doped fiber of saturated absorbing body, the doped fiber other end is connected with optical fiber output coupler input port, an output of output coupler is connected with the optical-fiber bundling device signal input part, form the passive Q-adjusted full-optical-fiber laser of annular chamber, another output port is connected with output optical fibre, and laser pulse is exported by output optical fibre.
3. a kind of doped fiber that uses according to claim 1 and 2 is as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body, it is characterized in that the pumping semiconductor laser use one section not by the doped fiber of pumping diode pumped as saturated absorbing body.
4. a kind of doped fiber that uses according to claim 1 and 2 is characterized in that as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body doped fiber is Yb dosed optical fiber, Er-doped fiber, thulium doped fiber or the rare earth element optical fiber of mixing holmium optical fiber.
5. a kind of doped fiber that uses according to claim 1 and 2 is characterized in that as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body doped fiber is the optical fiber of the same rare earth element of doping.
6. a kind of doped fiber that uses according to claim 1 and 2 is as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body, the optical fiber of the different elements that it is characterized in that mixing.
7. a kind of doped fiber that uses according to claim 1 and 2 is characterized in that as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body doped fiber is single cladded fiber.
8. a kind of doped fiber that uses according to claim 1 and 2 is characterized in that being doubly clad optical fiber as the passive Q-adjusted full-optical-fiber laser of saturated absorbing body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104561171A CN102904153A (en) | 2012-11-14 | 2012-11-14 | Passive Q-switching all-fiber laser utilizing doped fiber as saturated absorption body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104561171A CN102904153A (en) | 2012-11-14 | 2012-11-14 | Passive Q-switching all-fiber laser utilizing doped fiber as saturated absorption body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102904153A true CN102904153A (en) | 2013-01-30 |
Family
ID=47576271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104561171A Pending CN102904153A (en) | 2012-11-14 | 2012-11-14 | Passive Q-switching all-fiber laser utilizing doped fiber as saturated absorption body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102904153A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234917A (en) * | 2013-04-08 | 2013-08-07 | 中国工程物理研究院流体物理研究所 | Real-time measuring system for impact temperature and spectral emissivity |
| CN103344184A (en) * | 2013-06-09 | 2013-10-09 | 安徽大学 | Self-mixing wavelength division multiplexing multichannel displacement sensing system based on linear cavity multi-wavelength fiber laser |
| CN103414093A (en) * | 2013-04-28 | 2013-11-27 | 北京工业大学 | All-fiber pulsed laser |
| CN103438916A (en) * | 2013-08-22 | 2013-12-11 | 西北核技术研究所 | Fiber grating wavelength demodulating device based on saturable absorption fiber |
| RU2548940C1 (en) * | 2013-12-24 | 2015-04-20 | Общество с ограниченной ответственностью "НАУЧНО-ТЕХНИЧЕСКОЕ ОБЪЕДИНЕНИЕ "ИРЭ-Полюс" (ООО НТО "ИРЭ-Полюс") | Integral fibre laser system and method for autogeneration of laser pulses |
| CN104733993A (en) * | 2015-04-16 | 2015-06-24 | 西北核技术研究所 | Saturable absorption optical fiber based all-fiber multi-wavelength passive Q-switched laser |
| CN104934843A (en) * | 2015-07-14 | 2015-09-23 | 电子科技大学 | All-fiber intermediate infrared high-energy passively Q-switched fiber laser |
| CN106207723A (en) * | 2016-08-28 | 2016-12-07 | 北京工业大学 | A kind of all-fiber pulse laser of multi-resonant chamber coupling |
| WO2021115145A1 (en) * | 2019-12-10 | 2021-06-17 | 苏州创鑫激光科技有限公司 | Fiber laser |
| RU2792649C2 (en) * | 2018-12-31 | 2023-03-22 | Айпиджи Фотоникс Корпорэйшн | System and method based on pumped fiber laser for underwater optical repeater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5646951A (en) * | 1994-03-24 | 1997-07-08 | Technion Research & Development Foundation Ltd. | Method and apparatus for linewidth narrowing and single mode operation in lasers by intra-cavity nonlinear wave mixing |
| US20110007385A1 (en) * | 2009-07-08 | 2011-01-13 | Furukawa Electric Co., Ltd. | Optical fiber for optical amplification, optical fiber amplifier, and optical fiber laser |
-
2012
- 2012-11-14 CN CN2012104561171A patent/CN102904153A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5646951A (en) * | 1994-03-24 | 1997-07-08 | Technion Research & Development Foundation Ltd. | Method and apparatus for linewidth narrowing and single mode operation in lasers by intra-cavity nonlinear wave mixing |
| US20110007385A1 (en) * | 2009-07-08 | 2011-01-13 | Furukawa Electric Co., Ltd. | Optical fiber for optical amplification, optical fiber amplifier, and optical fiber laser |
Non-Patent Citations (1)
| Title |
|---|
| TZONG-YOW TSAI等: "All-fiber passively Q-switched erbium laser using mismatch of mode field areas and a saturable-amplifier pump switch", 《OPTICS LETTERS》, vol. 34, no. 19, 1 October 2009 (2009-10-01), XP001548573, DOI: doi:10.1364/ol.34.002891 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234917A (en) * | 2013-04-08 | 2013-08-07 | 中国工程物理研究院流体物理研究所 | Real-time measuring system for impact temperature and spectral emissivity |
| CN103414093A (en) * | 2013-04-28 | 2013-11-27 | 北京工业大学 | All-fiber pulsed laser |
| CN103414093B (en) * | 2013-04-28 | 2016-10-19 | 北京工业大学 | A kind of all-fiber pulse laser |
| CN103344184B (en) * | 2013-06-09 | 2015-11-25 | 安徽大学 | Based on the wavelength-division of the mixing certainly multiplexed multi-channel displacement sensing system of linear cavity multi-wavelength optical fiber laser |
| CN103344184A (en) * | 2013-06-09 | 2013-10-09 | 安徽大学 | Self-mixing wavelength division multiplexing multichannel displacement sensing system based on linear cavity multi-wavelength fiber laser |
| CN103438916A (en) * | 2013-08-22 | 2013-12-11 | 西北核技术研究所 | Fiber grating wavelength demodulating device based on saturable absorption fiber |
| CN103438916B (en) * | 2013-08-22 | 2016-03-30 | 西北核技术研究所 | Based on the optical fiber grating wavelength demodulating equipment of saturable absorption optical fiber |
| RU2548940C1 (en) * | 2013-12-24 | 2015-04-20 | Общество с ограниченной ответственностью "НАУЧНО-ТЕХНИЧЕСКОЕ ОБЪЕДИНЕНИЕ "ИРЭ-Полюс" (ООО НТО "ИРЭ-Полюс") | Integral fibre laser system and method for autogeneration of laser pulses |
| CN104733993A (en) * | 2015-04-16 | 2015-06-24 | 西北核技术研究所 | Saturable absorption optical fiber based all-fiber multi-wavelength passive Q-switched laser |
| CN104934843A (en) * | 2015-07-14 | 2015-09-23 | 电子科技大学 | All-fiber intermediate infrared high-energy passively Q-switched fiber laser |
| CN104934843B (en) * | 2015-07-14 | 2018-07-31 | 电子科技大学 | The infrared passive Q-adjusted optical fiber laser of high energy in a kind of all-fiber |
| CN106207723A (en) * | 2016-08-28 | 2016-12-07 | 北京工业大学 | A kind of all-fiber pulse laser of multi-resonant chamber coupling |
| RU2792649C2 (en) * | 2018-12-31 | 2023-03-22 | Айпиджи Фотоникс Корпорэйшн | System and method based on pumped fiber laser for underwater optical repeater |
| WO2021115145A1 (en) * | 2019-12-10 | 2021-06-17 | 苏州创鑫激光科技有限公司 | Fiber laser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102904153A (en) | Passive Q-switching all-fiber laser utilizing doped fiber as saturated absorption body | |
| CN103050873A (en) | High-power pulse type ytterbium-doped all-fiber laser system | |
| CN202513435U (en) | High-energy high-repetition-frequency full-optical-fiber laser with master oscillator power amplifier (MOPA) structure | |
| US8508843B2 (en) | Laser systems with doped fiber components | |
| CN102856784A (en) | Linear-cavity active Q-switching all-fiber laser | |
| CN102208739A (en) | High impulse energy cladding pumped ultrafast fiber laser | |
| CN100470347C (en) | Narrow pulse fiber amplifier | |
| CN103701021A (en) | All-fiber pulse laser utilizing cross modulation of resonant cavities | |
| CN103208728A (en) | High-power pulse per second type ytterbium-doped all-fiber laser system | |
| CN107181159A (en) | All -fiber passive Q regulation pulse optical fiber laser | |
| CN104466636A (en) | Single-frequency Q-switched pulsed fiber laser | |
| CN103050874A (en) | High-power pulse type singe-frequency all-fiber laser system | |
| CN108767637A (en) | THz high repetition frequency high power femto second optical fiber lasers based on dispersive wave | |
| CN111490446A (en) | Dissipative soliton resonance fiber laser | |
| CN108493748B (en) | ytterbium-Raman mixed gain random fiber laser based on fiber core pumping | |
| CN103036136A (en) | Gain switch pulse type single-frequency optical fiber laser | |
| CN103151684A (en) | Pulse pump type standing wave resonant cavity nanosecond pulse laser | |
| CN203242913U (en) | High-power pulse type ytterbium-doped all-fiber laser system | |
| CN202737314U (en) | Active Q-switched all-fiber laser with linear cavity | |
| CN203103749U (en) | Two-micron wave length all-fiber laser based on nanotube mode locking | |
| CN102856780A (en) | 975nm ring cavity all-fiber laser | |
| CN102856782A (en) | 975nm all-fiber laser | |
| CN105633772A (en) | Chiral fiber grating-based all-fiber mode-locked fiber laser | |
| CN203218698U (en) | High-power picosecond pulse type ytterbium-doped all-fiber laser | |
| CN203150894U (en) | Pulse pump type annular resonant cavity nanosecond pulse laser device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130130 |