CN102522682B - High-power ASE (Amplified Spontaneous Emission) light source with multi-section cascade 1064nm wave bands - Google Patents
High-power ASE (Amplified Spontaneous Emission) light source with multi-section cascade 1064nm wave bands Download PDFInfo
- Publication number
- CN102522682B CN102522682B CN201110422517.6A CN201110422517A CN102522682B CN 102522682 B CN102522682 B CN 102522682B CN 201110422517 A CN201110422517 A CN 201110422517A CN 102522682 B CN102522682 B CN 102522682B
- Authority
- CN
- China
- Prior art keywords
- active
- optical fiber
- doubly clad
- output
- fiber
- 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.)
- Active
Links
Images
Abstract
The invention provides a high-power ASE light source with multi-section cascade 1064nm wave bands. The ASE light source comprises a source beam combiner, an optical isolator, an active doubly coated optical fibre, a cladding mode filter, a functional multi-mode optical fibre, a semiconductor pumping laser and the like. The ASE light source is characterized by comprising an n-section cascade structure, wherein the output power of the semiconductor pumping laser is divided into n parts according to certain proportion for respectively pumping N YDF (Ytterbium-doped Fibre) sections, so that pumping power at each level is rationally distributed and sufficiently utilized; the active beam combiner is adopted to simply the process, so that a complicated welding and re-coating process is avoided in the use of the traditional beam combiner; the functional multi-mode optical fibre is adopted to restrain the light reflection on the end surface of the optical fibre and to reduce the light damage effects on the end surface of the optical fibre. Besides, the adopted cladding mode fibre can effectively filter the pump light of a residual cladding, and prevent the residual cladding from breaking the effects. In a word, the high-power ASE light source can effectively restrain the generation of the laser, and can ensure the high-power ASE light output.
Description
Technical field
The present invention relates to the applied light sources in field such as optical fiber communication, Fibre Optical Sensor and fiber-optic probe, especially a kind of 1064nm wave band high-power output ASE optical fiber source of multistage tandem type structure.
Background technology
1064nm wave band ASE light source is to utilize rear-earth-doped ytterbium ion (Yb
3+) fiber amplifier spontaneous radiation (Amplified Spontaneous Emission, ASE) wideband light source that principle is made, owing to having, wide emission spectra, higher output power (common ASE light source output power approximately tens mW), stability are high and be easy to and the effectively advantage such as coupling of fibre system, become the optimal selection of desirable ASE light source.
The type ASE light source adopts multimode cladding pumping technology, with near the rear-earth-doped ytterbium ion (Yb of semiconductor pump laser pumping 800 ~ 1100nm
3+) active doubly clad optical fiber (YDF), can produce amplified spontaneous emission (ASE) light of 1000 ~ 1150nm wave band output.Because light-emitting diode (LED), super-radiance light emitting diode (SLD) or traditional ASE light source all have the shortcoming of low power output, their extensive uses in communication system are seriously limited, therefore, especially high-power output ASE light source has been proposed to very urgent demand.
For unistage type structure ASE light source, no matter take forward, backward or two directional pump mode, or one way or round trip output, in order to obtain the output of high power ASE light, correspondingly will use very strong pump power to carry out pumping to YDF, this can be with serving the problem that cannot overcome.The one, YDF gain is very high, relies on and merely increases pumping light power, is very easy to self-oscillation and forms Laser output, does not produce ASE light.The 2nd, pump light completes after pumping process, and relative residual pump energy can be comparatively considerable, and residual clad pumping optical can cause damage to optical fiber and optical device, and causes that power output is unstable.The 3rd, high power ASE light source output direction generally connects 1064nm high power light isolator, ensure the one-way transmission of light and suppress light reflection, but its isolation index and bandwidth of operation are limited, the isolation of its centre wavelength is also only about 30dB, can effectively ensure the inhibition ability to the reflection of fiber end face light or light feedback? the 4th, doubly clad optical fiber welding contact coating processes problem again, general bundling device exports passive doubly clad optical fiber and active doubly clad optical fiber needs welding, contact after stripping is covered needs special expensive coating machine to apply protection again, coating processes quality directly can affect pumping coupling efficiency, and (uniformity consistency is poor, unmatched contact applies effect and causes pump light to be revealed), do not enter active doubly clad optical fiber inner cladding at least about 30% pump light, also affect mechanical fiber optic performance.
Summary of the invention
The object of the invention is to solve the problem that above-mentioned ASE light source exists, propose multistage tandem type 1064nm wave band high power ASE light source.
The present invention adopts multistage tandem type structure, adopts multimode cladding pumping technology, with near semiconductor pump laser pumping wavelength 800 ~ 1100nm, the highly doped ytterbium ion (Yb of covering pumping
3+) active doubly clad optical fiber (YDF), pump light is coupled into YDF inner cladding by bundling device, while passing through YDF fibre core, and Yb
3+ions Absorption pump light transits to high level from ground state level under its effect, along with pump power strengthens, spontaneous radiation population increases gradually and realizes reversion, single particle independently spontaneous radiation gradually becomes the harmonious stimulated radiation of multiple particles, produces amplified spontaneous emission (ASE) light of higher-wattage output 1000 ~ 1150nm wave band.
Object of the present invention is achieved through the following technical solutions:
Multistage tandem type 1064nm wave band high power ASE light source, it comprises n section cascade structure, each section of cascade structure includes the active bundling device, active doubly clad optical fiber (YDF) and the optical isolator that connect in turn, and the optical isolator output of i section cascade structure is connected with the active bundling device input of i+1 section cascade structure; I section cascade structure comprises the active bundling device of i level, the active doubly clad optical fiber of i section (YDF) and i optical isolator, and i is the sequence number of cascade structure place section; In n section cascade structure, between active doubly clad optical fiber and optical isolator, be connected with a cladding mode stripper; The output of n optical isolator is described ASE light source output, and the active bundling device input of the first order is connected with n+1 optical isolator input, and n+1 optical isolator output is connected with functional form multimode fiber; Described active doubly clad optical fiber is Yb dosed optical fiber.
In above-mentioned multistage tandem type 1064nm wave band high power ASE light source, also comprise semiconductor pump laser, adopt multi-mode coupler that the power output of semiconductor pump laser is divided into n part, the output tail optical fiber of this n part pump light is connected with the pumping input optical fibre of the active bundling device of n level respectively, be respectively the active doubly clad optical fiber of n section pump energy is provided, n part pumping light power is the highest.
In above-mentioned multistage tandem type 1064nm wave band high power ASE light source, the active bundling device of every one-level all comprises passive doubly clad optical fiber and pumping input optical fibre separately, passive doubly clad optical fiber with the active doubly clad optical fiber welding of one-level, pumping input optical fibre fused biconical taper is coupled in above the active doubly clad optical fiber inner cladding of same one-level.
In above-mentioned multistage tandem type 1064nm wave band high power ASE light source, described semiconductor pump laser output wavelength is 800～1000nm, and power output is greater than 1W, and output tail optical fiber core diameter is 105～200 μ m, cladding diameter is 125～220 μ m, and numerical aperture is 0.12～0.22.
In above-mentioned multistage tandem type 1064nm wave band high power ASE light source, described active doubly clad optical fiber core diameter is 7～20 μ m, and inner cladding diameter is 125～200 μ m, and fibre core numerical aperture is 0.08～0.20; Described active doubly clad optical fiber length is 3～15 meters.
In above-mentioned multistage tandem type 1064nm wave band high power ASE light source, described functional form multimode fiber (16) is for having the multimode fiber filtering with anti-reflection, and its fiber end face grinds and coated with antireflection film; La Zhuizhizhui district, multimode fiber middle part diameter is 10～100 μ m, and Jiang Zhui district applies high refractive index UV glue encapsulation; Described multimode fiber core diameter is 50～200 μ m, and cladding diameter is 125～220 μ m, and numerical aperture is 0.12～0.22.
In above-mentioned multistage tandem type 1064nm wave band high power ASE light source, described cladding mode stripper (13) carries out welding by active doubly clad optical fiber one end and passive single cladded fiber one end and forms, and the naked fine region of contact is coated with high refractive index UV glue.
In above-mentioned multistage tandem type 1064nm wave band high power ASE light source, described 2≤n≤7.
Described semiconductor pump laser power output, is divided into the n part that power equates or do not wait by a certain percentage, the reasonable distribution that ensures pump powers at different levels with make full use of, n part pump power is the highest, using as n level---power amplifier level pumping energy use.
The present invention compared with prior art, has advantages of following main:
the present invention adopts multi-stage cascade formula structure to suppress laser and produces, and every one-level forward direction ASE light is amplified as next stage flashlight, progressively produces the output of high power ASE light.Avoid in single step arrangement YDF gain too high, rely on and merely increase pumping light power, be very easy to self-oscillatory shortcoming.
the present invention adopts active bundling device, directly pumping input optical fibre fused biconical taper is coupled in above active doubly clad optical fiber inner cladding, simplify technique, avoid the passive mode in traditional bundling device technique, be that its output is passive doubly clad optical fiber, then be connected with active doubly clad optical fiber welding, the contact to stripping after covering need to carry out the loaded down with trivial details operation that applies again, and coating processes is difficult to grasp.
(4) the present invention adopts special effective end face reflection braking measure, be that one section of non-output welding has the functional form multimode fiber filtering with anti-reflection, not only suppress the reflection of fiber end face light, and filtering is without purposes ASE light, reduce fiber end face light injury effect, can increase substantially ASE power output level.
(5) output direction of the present invention accesses a cladding mode stripper, utilizes joining zone high refractive index UV glue to form " oppositely " waveguiding structure, and in conjunction with the mode of " snakelike " groove curved fiber, the remaining cladding pumping light energy of filtering, avoids its damage effect effectively.
(6) the present invention realizes and has the above power output ASE light up to 1W, covers 1030 ~ 1090nm wave band, and spectrum flatness is better, and Output optical power has good stability.
Brief description of the drawings
Fig. 1 is the active bundling device structural representation of multistage tandem type 1064nm wave band high power ASE light source.
Fig. 2 is active bundling device structural representation.
Fig. 3 is that pump laser splitting ratio illustrates intention.
Fig. 4 is functional form multimode fiber structural representation.
Fig. 5 is cladding mode stripper structural representation.
Fig. 6 is the ASE spectrogram that the embodiment of the present invention is exported.
Embodiment
Below in conjunction with concrete enforcement example and accompanying drawing, explaination that the present invention is further illustrated, but be not limited to this execution mode.
As shown in Figure 1, multistage tandem type 1064nm wave band high power ASE light source, it comprises n section cascade structure, each section of cascade structure includes the active bundling device (1,5,9), active doubly clad optical fiber (2,6,10) and the optical isolator (4,8,12) that connect in turn, and the optical isolator output of first paragraph cascade structure is connected with the active bundling device input of second segment cascade structure; First paragraph cascade structure comprises the active bundling device 1 of the first order, the active doubly clad optical fiber 2 of first paragraph and first optical isolator 4, in n section cascade structure, between the active doubly clad optical fiber 10 of n section and n optical isolator 12, be connected with a cladding mode stripper 13; The active bundling device input of the first order is connected with n+1 optical isolator 14 inputs, and n+1 optical isolator 14 outputs are connected with functional form multimode fiber 16.
In the present embodiment, ASE light source optical path device has tertiary structure cascade, by active bundling device (1,5,9), active doubly clad optical fiber (YDF) (2,6,10), optical isolator (4,8,12,14), cladding mode stripper 13, functional form multimode fiber 16, semiconductor pump laser 17 form.Active bundling device 1 output of the first order is directly connected with the active doubly clad optical fiber 2 of first paragraph, active doubly clad optical fiber 2 other ends of first paragraph are connected with first optical isolator 4 inputs, and first optical isolator 4 outputs are connected with active bundling device 5 inputs in the second level, active bundling device 5 outputs in the second level are directly connected with the active doubly clad optical fiber of second segment (YDF) 6, active doubly clad optical fiber 6 other ends of second segment are connected with second optical isolator 8 input, second optical isolator 8 output is connected with the active bundling device input of the third level, the active bundling device output of the third level is directly connected with the 3rd section of active doubly clad optical fiber, the 3rd section of active doubly clad optical fiber other end is connected with cladding mode stripper 13 inputs, cladding mode stripper 13 outputs are connected with the 3rd optical isolator 12 inputs, the 3rd optical isolator output is as ASE light source output.Active bundling device 1 input of the first order is connected with the 4th optical isolator input, and the 4th optical isolator output is connected with functional form multimode fiber 16.In the present embodiment, YDF core diameter is 10.0 μ m, and inner cladding diameter is that 127.5 μ m(are shaped as octagon), fibre core numerical aperture is 0.08.Three sections of YDF that choose the above-mentioned type use length to be about respectively 6 meters, 4 meters, 7 meters.Final output ASE spectrum spectrum shape depends on first order output ASE spectrum situation, and first order selection YDF uses 6 meters of length slightly long, as first order working media, ensures that the smooth ASE light of generation spectrum spectrum shape enters next stage again and amplifies.
As further preferred embodiment, semiconductor pump laser 17 in the present embodiment.Progression n≤7 of described multistage cascade structure, described YDF core diameter is 7～20 μ m, and inner cladding diameter is 125～200 μ m, and inner cladding is shaped as abnormal shape (as hexagon, octagon, D shape etc.), and fibre core numerical aperture is 0.08～0.20.It is 4～12 meters that described first paragraph YDF uses length, second segment YDF ... it is 3～15 meters that n section YDF uses length, and YDF is greater than 0.5dB/m to 800～1000nm pump light absorption coefficient.
Described n only active bundling device based on fused biconical taper process drawing, its type is (m+1) × 1, m(pump ports number) >=1(is as (1+1) × 1, (2+1) × 1, (6+1) × 1 etc.), the passive doubly clad optical fiber core diameter of input of active bundling device is 7～20 μ m, and inner cladding diameter is 125～200 μ m.Pumping input optical fibre is multimode fiber, and its core diameter is 105～200 μ m, and cladding diameter is 125～220 μ m, and numerical aperture is 0.12～0.22.Described semiconductor pump laser output wavelength is 800～1000nm, and power output is greater than 1W, and output tail optical fiber is multimode fiber, and its core diameter is 105～200 μ m, and cladding diameter is 125～220 μ m, and numerical aperture is 0.12～0.22.
As shown in Figure 2, active bundling device 1 used in the present invention, is made up of with the active doubly clad optical fiber 2 of output the passive doubly clad optical fiber 15 of input, pumping input optical fibre 3.First two pumping input optical fibres 3 are shelled and covered, after clean, separately it be pulled to coupled zone diameter 25 μ m in advance; Then by active doubly clad optical fiber 2 one end and the 15 one end weldings of passive doubly clad optical fiber, in the direction near active doubly clad optical fiber 2, from the about 15mm of joint position fiber stripping; Finally, by the coupled zone of two pumping input optical fibres 3 after prestretching, fused biconical taper operation is carried out at the above-mentioned fiber stripping position that is close to active doubly clad optical fiber, draws out the active bundling device in (2+1) × 1.In embodiment, YDF 2 optical parametrics are core diameter 10.0 μ m, and inner cladding diameter 127.5 μ m(are shaped as octagon), fibre core numerical aperture is 0.08.The passive doubly clad optical fiber 15 of input of active bundling device, its optical parametric is core diameter 10.0 μ m, inner cladding diameter 125.0 μ m, fibre core numerical aperture is 0.08.Active bundling device pumping input optical fibre 3 is multimode fiber 105/125 0.22NA, and its core diameter is 105 μ m, and cladding diameter is 125 μ m, and numerical aperture is 0.22.
As shown in Figure 3, semiconductor pump laser 17 in the present embodiment, carry out light splitting with multi-mode coupler, exported by a certain percentage pump power and be divided into 15%, 25%, 60% power, three parts not etc., the reasonable distribution that ensures pump powers at different levels with make full use of, avoid increasing that pump power is too drastic causes self-oscillation problem and produce Laser output; Three parts of pump light output tail optical fibers are connected with the pumping input optical fibre 3,7,11 of three bundling devices respectively, are respectively three sections of YDF 2,6,10 pumping pumping energy is provided.In the present embodiment, pump laser 17 parameters are wavelength 915nm, and power output 10W is adjustable, and output tail optical fiber is multimode fiber 105/125 0.22NA.Adopt above-mentioned multi-stage cascade structure to suppress the generation of laser, ensure the output of high power ASE light.
Functional form multimode fiber 16 used in the present invention, has the function filtering with anti-reflection, and its one end penetrates in ceramic insertion core and injecting glue is fixed, and fiber end face is ground to form to 8 ° of inclinations angle, and be coated with antireflective coating.The stripping of multimode fiber middle part is covered and drawn cone to process, until cone district diameter 10～100 μ m, Jiang Qizhui district applies high refractive index UV glue and is packaged in a fluting aluminium block.Described multimode fiber core diameter is 50～200 μ m, and cladding diameter is 125～220 μ m, and numerical aperture is 0.12～0.22.As shown in Figure 4, be the optical device of an integrated filtering functional device 18 and anti-reflection functional device 19.One end of multimode fiber 16 is penetrated in ceramic insertion core and injecting glue is fixed, fiber end face is ground to form to 8 ° of inclinations angle, and fiber end face is coated with antireflective coating, for suppressing the reflection of end face light.By multimode fiber 16 centre position fiber stripping 20mm, being placed in La Zhuizhizhui district diameter 20 μ m on the height of anger stops, Jiang Qizhui district applies high refractive index UV glue, and with a fluting aluminium block package cooling, owing to destroying the total reflection leaded light principle of optical fiber, filtering part does not have the ASE light of purposes, reduces the light injury effect to fiber end face.Described functional form multimode fiber 16 can improve ASE power output level significantly, can not produce self-excitation phenomena.Multimode fiber 16 in the present embodiment is 105/125 0.22NA.
As shown in Figure 5, cladding mode stripper 13 used in the present invention is by active doubly clad optical fiber 10(input), passive single cladded fiber 20(output) form.The about 10mm of active doubly clad optical fiber 10 fiber stripping length in the present embodiment, the about 25mm of passive single cladded fiber 20 fiber stripping length, both carry out welding, and naked contact fine region is applied to high refractive index UV glue and encapsulates, solidifies in one and open in " snakelike " groove aluminium block.High refractive index UV glue and cladding glass form " oppositely " waveguiding structure, further combined with the mode of " snakelike " groove curved fiber, ensure to complete after pumping effect when the pump light of inner cladding, the remaining clad pumping optical of filtering, avoids its damage to output optical fibre, optical device effectively.
As shown in Figure 6, embodiment of the present invention output ASE light, the spectrogram result of portlet scanning after the light splitting of 30dB optical coupler, 10dB spectral width is about 60nm, cover 1030 ~ 1090nm wave band, its ASE power output is up to 1W, and Output optical power stability and spectral waveform have good stability.
The YDF that in the present invention, multi-stage cascade is used is not only applicable to the cascade of same type YDF, is applicable to the cascading between the YDF of other large core diameter YDF and different levels of doping, different optical parameter, different length yet.As mentioned above, can realize preferably the present invention, above-described embodiment is only preferred embodiment of the present invention, is not intended to limit its practical range.
Claims (3)
1. multistage tandem type 1064nm wave band high power ASE light source, it is characterized in that comprising semiconductor pump laser and n section cascade structure, n section cascade structure comprises the active bundling device, active doubly clad optical fiber, cladding mode stripper and the optical isolator that connect in turn, in all the other n-1 section cascade structures, each section of cascade structure includes the active bundling device, active doubly clad optical fiber and the optical isolator that connect in turn, and the optical isolator output of i section cascade structure is connected with the active bundling device input of i+1 section cascade structure; I section cascade structure comprises the active bundling device of i level, the active doubly clad optical fiber of i section and i optical isolator, and i is the sequence number of cascade structure place section; The output of n optical isolator is described ASE light source output, and the active bundling device input of the first order is connected with n+1 optical isolator input, and n+1 optical isolator output is connected with functional form multimode fiber; Described active doubly clad optical fiber is Yb dosed optical fiber; Adopt multi-mode coupler that the power output of semiconductor pump laser is divided into n part, the output tail optical fiber of this n part pump light is connected with the pumping input optical fibre of the active bundling device of n level respectively, be respectively the active doubly clad optical fiber of n section pump energy is provided, n part pumping light power is the highest; Described functional form multimode fiber is to have the multimode fiber filtering with anti-reflection, and its fiber end face grinds and coated with antireflection film; La Zhuizhizhui district, multimode fiber middle part diameter is 10～100 μ m, and Jiang Zhui district applies high refractive index UV glue encapsulation; Described multimode fiber core diameter is 50～200 μ m, and cladding diameter is 125～220 μ m, and numerical aperture is 0.12～0.22; The active bundling device of every one-level all comprises passive doubly clad optical fiber and pumping input optical fibre separately, passive doubly clad optical fiber and the active doubly clad optical fiber welding with one-level, and pumping input optical fibre fused biconical taper is coupled in above the active doubly clad optical fiber inner cladding of same one-level; Described semiconductor pump laser output wavelength is 800～1000nm, and power output is greater than 1W, and output tail optical fiber core diameter is 105～200 μ m, and cladding diameter is 125～220 μ m, and numerical aperture is 0.12～0.22; Described active doubly clad optical fiber core diameter is 7～20 μ m, and inner cladding diameter is 125～200 μ m, and fibre core numerical aperture is 0.08～0.20; Described active doubly clad optical fiber length is 3～15 meters.
2. multistage tandem type 1064nm wave band high power ASE light source according to claim 1, it is characterized in that described cladding mode stripper carries out welding by active doubly clad optical fiber one end and passive single cladded fiber one end and forms, the naked fine region of contact is coated with high refractive index UV glue.
3. according to multistage tandem type 1064nm wave band high power ASE light source described in claim 1 or 2, it is characterized in that 2≤n≤7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110422517.6A CN102522682B (en) | 2011-12-15 | 2011-12-15 | High-power ASE (Amplified Spontaneous Emission) light source with multi-section cascade 1064nm wave bands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110422517.6A CN102522682B (en) | 2011-12-15 | 2011-12-15 | High-power ASE (Amplified Spontaneous Emission) light source with multi-section cascade 1064nm wave bands |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102522682A CN102522682A (en) | 2012-06-27 |
| CN102522682B true CN102522682B (en) | 2014-06-11 |
Family
ID=46293507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110422517.6A Active CN102522682B (en) | 2011-12-15 | 2011-12-15 | High-power ASE (Amplified Spontaneous Emission) light source with multi-section cascade 1064nm wave bands |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102522682B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117502B (en) * | 2013-01-24 | 2015-09-16 | 中国电子科技集团公司第十一研究所 | The control method that fiber amplifier and fiber amplifier export |
| CN104362496A (en) * | 2014-11-17 | 2015-02-18 | 山东海富光子科技股份有限公司 | High-power narrow-linewidth linear polarization fiber laser |
| CN104678498A (en) * | 2015-03-09 | 2015-06-03 | 广东高聚激光有限公司 | Quasi distributed optical fiber beam combiner |
| CN105811228A (en) * | 2016-05-30 | 2016-07-27 | 中国科学院半导体研究所 | Highly-doped broad-spectrum erbium-ytterbium co-doped superfluorescent fiber source integrated device |
| CN109085677A (en) * | 2017-06-14 | 2018-12-25 | 福州高意光学有限公司 | A kind of high-power optical-fiber coupling structure of ultralow Insertion Loss |
| CN108490548B (en) * | 2018-05-04 | 2024-01-30 | 中山铟尼镭斯科技有限公司 | Integrated band-pass filter isolator |
| CN112903249B (en) * | 2021-03-02 | 2023-02-07 | 武汉睿芯特种光纤有限责任公司 | Cladding numerical aperture measuring device of double-cladding optical fiber |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599283A (en) * | 2004-08-30 | 2005-03-23 | 南京大学 | Long-wave band erbium-doped fibre-optical superflourescence light source of high-power and high-smooth |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2200269C (en) * | 1997-03-18 | 2001-08-07 | Dan Dan Yang | High power broadband source with stable and equalized spectrum output |
| KR100594039B1 (en) * | 2003-12-22 | 2006-06-30 | 삼성전자주식회사 | Broadband light source |
| CN202373839U (en) * | 2011-12-15 | 2012-08-08 | 华南理工大学 | Multistage cascading type 1064nm band high-power active seeker electronics (ASE) light source |
-
2011
- 2011-12-15 CN CN201110422517.6A patent/CN102522682B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599283A (en) * | 2004-08-30 | 2005-03-23 | 南京大学 | Long-wave band erbium-doped fibre-optical superflourescence light source of high-power and high-smooth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102522682A (en) | 2012-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102522682B (en) | High-power ASE (Amplified Spontaneous Emission) light source with multi-section cascade 1064nm wave bands | |
| CN103560382B (en) | It is a kind of based on the single fiber myriawatt level full-optical-fiber laser system with pump technology | |
| CN202373839U (en) | Multistage cascading type 1064nm band high-power active seeker electronics (ASE) light source | |
| CN107623246B (en) | Fiber core co-band pumping fiber laser | |
| Tsuchida et al. | Cladding pumped seven-core EDFA using an absorption-enhanced erbium doped fibre | |
| CN102967981A (en) | Super-continuous spectrum light source based on multicore photonic crystal fiber | |
| CN103746283A (en) | Method for improving pumping efficiency of fiber laser and fiber laser thereof | |
| CN103236630A (en) | Single-frequency optical fiber laser using rare earth-doped quartz optical fiber as gain medium | |
| CN102684045B (en) | High-power broadband ASE (Amplified Spontaneous Emission) light source in 1064 nm waveband | |
| Takasaka et al. | EDF length dependence of amplification characteristics of cladding pumped 19-core EDFA | |
| CN104617470A (en) | Thulium-doped optical fiber laser pump method utilizing erbium-doped random optical fiber laser | |
| CN202995205U (en) | Multicore photonic crystal fiber based supercontinuum source | |
| 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 | |
| CN107370011A (en) | Large-power optical fiber amplifier | |
| CN103474868A (en) | Thulium-doped all-fiber laser device capable of outputting high-power 2-micron linearly polarized laser | |
| CN207719582U (en) | Narrow linewidth MOPA fiber amplifiers | |
| CN103701024A (en) | Multi-mode pump laser and optical fiber amplifier formed by same | |
| CN103199417A (en) | Rare earth doping optical fiber light source light path structure | |
| CN106711747B (en) | Composite cavity structure optical fiber oscillator based on same-band pumping technology | |
| CN203103749U (en) | Two-micron wave length all-fiber laser based on nanotube mode locking | |
| CN108649415B (en) | Thulium-doped optical fiber laser amplifier | |
| TWI699937B (en) | Laser device | |
| CN105896250A (en) | Multi-wavelength multi-core fiber laser | |
| CN206558873U (en) | A kind of ultra wide band random fiber laser based on multi wavelength pumping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |