CN203690697U - High-power optical fiber laser - Google Patents
High-power optical fiber laser Download PDFInfo
- Publication number
- CN203690697U CN203690697U CN201420087344.6U CN201420087344U CN203690697U CN 203690697 U CN203690697 U CN 203690697U CN 201420087344 U CN201420087344 U CN 201420087344U CN 203690697 U CN203690697 U CN 203690697U
- Authority
- CN
- China
- Prior art keywords
- laser
- optical fiber
- output
- fiber
- array
- 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.)
- Expired - Lifetime
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 77
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims description 41
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000003321 amplification Effects 0.000 abstract description 8
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 8
- 230000003287 optical effect Effects 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 2
- 101100456571 Mus musculus Med12 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Lasers (AREA)
Abstract
The utility model relates to the technical field of laser and discloses a high-power optical fiber laser. The high-power optical fiber laser includes a seed source, a demultiplexer, an optical fiber amplifier array and an output coupling structure arranged along an optical path. The optical fiber amplifier array includes N optical fiber amplifier arranged side by side. An input terminal of the output coupling structure includes N input optical fibers connected with output terminals of the optical fiber amplifiers respectively. Laser emitted by the seed source is divided into N channels of sub light sources through the demultiplexer and the sub light sources are input into the optical fiber amplifier respectively. Laser with amplified power is output by the output coupling structure after sub light sources are amplified by the optical amplifiers. The demultiplexer is adopted for dividing the seed source into the multi-channel sub light sources and the sub light sources are input into the optical fiber amplifiers of the optical fiber amplifier array. The optical fiber amplifier array performs power amplification of the sub light sources in different channels and outputs. Thus, output of laser with high power can be realized without multi-stage amplification. The high-power optical fiber laser is simple in structure and low in cost.
Description
Technical field
The utility model relates to laser technology field, relates in particular to a kind of high-capacity optical fiber laser.
Background technology
High power, Ultra-short Fiber Laser are because its high efficiency, portability, high reliability and high stability are widely used in industry and scientific research field.After the method that realizes at present high power, short pulse in fiber laser mainly contains and adopts directly modulated laser generation low-power short-pulse laser, the mode (oscillator and power amplifier, MOPA) of utilizing follow-up high-power fiber amplifier to amplify; But the mode of above-mentioned directly modulated laser power amplification, because needs multi-stage power amplifier amplifies, and makes system complex and cost also relatively high.
Summary of the invention
The purpose of this utility model is to propose a kind of high-capacity optical fiber laser, simple in structure, and cost is low.
For achieving the above object, the technical scheme that the utility model provides is: a kind of high-capacity optical fiber laser, comprises the seed source, splitter, fiber amplifier array and the output coupled structure that arrange according to light path; Described fiber amplifier array comprises N fiber amplifier side by side; The input of described output coupled structure comprises N root input optical fibre, is connected respectively with each fiber amplifier output; The laser of seed source transmitting is divided into N way light source through splitter, is input to respectively in each fiber amplifier the laser being amplified by output coupled structure power output after each fiber amplifier amplifies.
Further, described seed source is fiber laser.
Further, described fiber laser is Q adjusting optical fiber laser.
Further, described seed source is the laser of coupling fiber output.
Further, described laser is semiconductor laser, microchip laser or the disengagement chamber laser of adjusting Q.
Further, described splitter is 1 × N fiber coupler or PLC structure.
Further, described output coupled structure also comprises optical fiber head array and a convergent lens; Described optical fiber head array comprises N compact arranged optical fiber head, connects respectively described N root input optical fibre; The laser convergence output that described convergent lens amplifies the N road of optical fiber head array output.
Further, described output coupled structure also comprises optical fibre collimator array and a convergent lens; Described optical fibre collimator array comprises N compact arranged optical fiber collimator, connects respectively described N root input optical fibre; Or described optical fibre collimator array is a N optical fiber collimator, its input connects respectively described N root input optical fibre; The laser convergence output that described convergent lens amplifies the N road of optical fibre collimator array output.
The beneficial effects of the utility model are: the utility model adopts splitter that seed source is divided into multichannel sub-light source, and in the fiber amplifier of input optical fibre amplifier array Ge road, fiber amplifier array carries out exporting after power amplification to each way light source respectively respectively; So, can realize high-power Laser output without multistage amplification, simple in structure, cost is low.
Brief description of the drawings
Fig. 1 is the utility model high-capacity optical fiber laser example structure schematic diagram.
Reference numeral: 1, seed source; 2, splitter; 3, fiber amplifier array; 31, fiber amplifier; 4, output coupled structure; 41, input optical fibre; 42, optical fiber head array; 43, convergent lens.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
High-capacity optical fiber laser of the present utility model, comprises the seed source, splitter, fiber amplifier array and the output coupled structure that arrange according to light path.Wherein, fiber amplifier array comprises N fiber amplifier side by side; The input of output coupled structure comprises N root input optical fibre, is connected respectively with each fiber amplifier output; The laser of seed source transmitting is divided into N way light source through splitter, is input to respectively in each fiber amplifier the laser being amplified by output coupled structure power output after each fiber amplifier amplifies.By adopting splitter that seed source is divided into multichannel sub-light source, in the fiber amplifier of input optical fibre amplifier array Ge road, fiber amplifier array carries out exporting after power amplification to each way light source respectively respectively; So, can realize high-power Laser output without multistage amplification, simple in structure, cost is low.
Concrete, embodiment as shown in Figure 1, in the present embodiment, output coupled structure 4 also comprises optical fiber head array 42 and a convergent lens 43; Optical fiber head array 42 comprises N compact arranged optical fiber head, connects respectively N root input optical fibre 41.The laser that single high-power seed source 1 is launched is divided into multichannel sub-light source through splitter 2, respectively in input optical fibre amplifier array 3 Ge road fiber amplifiers 31, each fiber amplifier 31 carries out exporting after power amplification to each way light source respectively, the output of each road fiber amplifier 31 is connected with the N root input optical fibre 41 of output coupled structure 4 respectively, it amplifies Ge road laser and after input optical fibre 41, is exported by optical fiber head array 42 respectively, then the laser convergence output that amplify on the N road that convergent lens 43 is exported optical fiber head array 42 again, focus on same point or the same area, realize the fiber laser of high-power output.Simple in structure, be easy to realize, and only need a high-power seed source to realize, cost is low.
Wherein, seed source 1 can be Q adjusting optical fiber laser, or the Q-switched laser of coupling fiber output, as tune Q semiconductor laser, micro-slice laser or the disengagement chamber laser etc. of coupling fiber output, can realize the optical fiber Q-switched laser of high-power output.Optical fiber head array 42 in output coupled structure 4 also can be substituted by optical fibre collimator array, and this optical fibre collimator array comprises N compact arranged optical fiber collimator.Splitter 2 can be 1 × N fiber coupler or PLC structure.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; the various variations of in the form and details the utility model being made, are protection range of the present utility model.
Claims (8)
1. a high-capacity optical fiber laser, is characterized in that: comprise the seed source, splitter, fiber amplifier array and the output coupled structure that arrange according to light path; Described fiber amplifier array comprises N fiber amplifier side by side; The input of described output coupled structure comprises N root input optical fibre, is connected respectively with each fiber amplifier output; The laser of seed source transmitting is divided into N way light source through splitter, is input to respectively in each fiber amplifier the laser being amplified by output coupled structure power output after each fiber amplifier amplifies.
2. high-capacity optical fiber laser as claimed in claim 1, is characterized in that: described seed source is fiber laser.
3. high-capacity optical fiber laser as claimed in claim 2, is characterized in that: described fiber laser is Q adjusting optical fiber laser.
4. high-capacity optical fiber laser as claimed in claim 1, is characterized in that: described seed source is the laser of coupling fiber output.
5. high-capacity optical fiber laser as claimed in claim 4, is characterized in that: described laser is semiconductor laser, microchip laser or the disengagement chamber laser of adjusting Q.
6. high-capacity optical fiber laser as claimed in claim 1, is characterized in that: described splitter is 1 × N fiber coupler or PLC structure.
7. high-capacity optical fiber laser as claimed in claim 1, is characterized in that: described output coupled structure also comprises optical fiber head array and a convergent lens; Described optical fiber head array comprises N compact arranged optical fiber head, connects respectively described N root input optical fibre; The laser convergence output that described convergent lens amplifies the N road of optical fiber head array output.
8. high-capacity optical fiber laser as claimed in claim 1, is characterized in that: described output coupled structure also comprises optical fibre collimator array and a convergent lens; Described optical fibre collimator array comprises N compact arranged optical fiber collimator, connects respectively described N root input optical fibre; Or described optical fibre collimator array is a N optical fiber collimator, its input connects respectively described N root input optical fibre; The laser convergence output that described convergent lens amplifies the N road of optical fibre collimator array output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420087344.6U CN203690697U (en) | 2014-02-28 | 2014-02-28 | High-power optical fiber laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420087344.6U CN203690697U (en) | 2014-02-28 | 2014-02-28 | High-power optical fiber laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203690697U true CN203690697U (en) | 2014-07-02 |
Family
ID=51012566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420087344.6U Expired - Lifetime CN203690697U (en) | 2014-02-28 | 2014-02-28 | High-power optical fiber laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203690697U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207726A (en) * | 2016-10-08 | 2016-12-07 | 山东海富光子科技股份有限公司 | A kind of based on the incoherent high-energy nanosecond pulse full-optical-fiber laser closing bundle |
| CN106716746A (en) * | 2014-09-26 | 2017-05-24 | 康茂股份公司 | Laser source, particularly for industrial processes |
| CN107037533A (en) * | 2017-03-24 | 2017-08-11 | 昂纳信息技术（深圳）有限公司 | Array laser radar light-dividing device and its light-splitting method |
| CN108780975A (en) * | 2016-03-14 | 2018-11-09 | 康茂股份公司 | Lasing light emitter is especially used for the lasing light emitter of industrial process |
| CN113394659A (en) * | 2021-05-06 | 2021-09-14 | 光子集成科技香港有限公司 | Light source realized by array semiconductor optical amplifier and optical coupling method |
| CN114256728A (en) * | 2021-12-24 | 2022-03-29 | 长春理工大学 | Beam-splitting amplification quasi-continuous fiber laser |
-
2014
- 2014-02-28 CN CN201420087344.6U patent/CN203690697U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106716746A (en) * | 2014-09-26 | 2017-05-24 | 康茂股份公司 | Laser source, particularly for industrial processes |
| CN106716746B (en) * | 2014-09-26 | 2020-01-17 | 康茂股份公司 | Laser source, in particular for industrial processes |
| CN108780975A (en) * | 2016-03-14 | 2018-11-09 | 康茂股份公司 | Lasing light emitter is especially used for the lasing light emitter of industrial process |
| CN106207726A (en) * | 2016-10-08 | 2016-12-07 | 山东海富光子科技股份有限公司 | A kind of based on the incoherent high-energy nanosecond pulse full-optical-fiber laser closing bundle |
| CN107037533A (en) * | 2017-03-24 | 2017-08-11 | 昂纳信息技术（深圳）有限公司 | Array laser radar light-dividing device and its light-splitting method |
| WO2018171205A1 (en) * | 2017-03-24 | 2018-09-27 | 昂纳信息技术（深圳）有限公司 | Array laser radar light splitting device and light splitting method thereof |
| CN113394659A (en) * | 2021-05-06 | 2021-09-14 | 光子集成科技香港有限公司 | Light source realized by array semiconductor optical amplifier and optical coupling method |
| WO2022233325A1 (en) * | 2021-05-06 | 2022-11-10 | 光子集成科技香港有限公司 | Light source assembly for laser radar, and laser radar |
| CN114256728A (en) * | 2021-12-24 | 2022-03-29 | 长春理工大学 | Beam-splitting amplification quasi-continuous fiber laser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203690697U (en) | High-power optical fiber laser | |
| EP2772996A3 (en) | VCSEL pumped fiber optic gain systems | |
| GB0601154D0 (en) | High power short optical pulse source | |
| CN102263356B (en) | Single-frequency narrow line width polarization maintaining full-optical fiber pulse laser device | |
| CN205141362U (en) | Adopt semiconductor laser's of bi -polar fiber optic coupling output laser system | |
| CN202512332U (en) | Full-optical fiber ultrashort laser pulse amplifier | |
| WO2019102174A3 (en) | Apparatus for providing optical radiation | |
| CN103296567A (en) | Ultra-narrow-linewidth nonlinear gain amplification multi-wavelength fiber laser | |
| CN203674550U (en) | Laser and a linear laser | |
| CN103701026A (en) | Laser and linear laser | |
| CN105322420B (en) | Simple and adjustable multi-wavelength Brillouin-erbium-doped fiber laser | |
| CN203225450U (en) | Large power fiber output semiconductor laser | |
| CN203242910U (en) | A large-power fiber laser device with multiple output ends | |
| CN205122993U (en) | Semiconductor laser of bi -polar fiber optic coupling output | |
| CN104362498A (en) | High-power single-mode 915-nm all-fiber laser | |
| CN204575906U (en) | The backward optoelectric hybrid device of Erbium-Doped Fiber Amplifier (EDFA) | |
| CN104733987A (en) | Linear automatic tunable annular cavity fiber laser | |
| CN204118460U (en) | A kind of linear tunable ring cavity optical fibre laser automatically | |
| CN102646925A (en) | Laser module structure with optical feedback | |
| CN103138842A (en) | Power control device of multi-pumping raman optical fiber amplifier | |
| CN204101770U (en) | A kind of gain flattening filter | |
| CN202513934U (en) | Raman fiber amplifier with large gain control range | |
| CN104579537A (en) | CWDM system adopting VCSEL multi-wavelength multiplex structure | |
| CN204347294U (en) | A kind of high-power double cladding optical fiber of high dynamic isolation degree exports isolator | |
| CN204179478U (en) | A kind of high power single mode 915 nm full-optical-fiber laser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |