CN106451049A - 800+/-100 nm waveband high-repetition-frequency and all-fiber laser generating device - Google Patents
800+/-100 nm waveband high-repetition-frequency and all-fiber laser generating device Download PDFInfo
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- CN106451049A CN106451049A CN201611135758.1A CN201611135758A CN106451049A CN 106451049 A CN106451049 A CN 106451049A CN 201611135758 A CN201611135758 A CN 201611135758A CN 106451049 A CN106451049 A CN 106451049A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06712—Polarising fibre; Polariser
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06716—Fibre compositions or doping with active elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1106—Mode locking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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- Engineering & Computer Science (AREA)
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- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
The invention discloses a 800+/-100 nm waveband high-repetition-frequency and all-fiber laser generating device, belongs to the field of laser technologies and non-linear optics, and solves the problem that an existing device uses a massive doped titanium sapphire crystal as a gain medium to cause various space light paths, complicated structure, poor stability and the like. The 800+/-100 nm waveband high-repetition-frequency and all-fiber laser generating device comprises a mode-locked fiber laser, a polarization controller, an online polarizer, a dispersion delayer, a first fiber pre-amplifier, a frequency controller, a second fiber pre-amplifier and a main amplifier. On the basis of a principle of carrying out polarization control on pulses output by the mode-locked fiber laser, the spectrum shaping effect is achieved, and while followed-up gain fiber power is amplified, the high-repetition-frequency and all-fiber laser device with 800+/- 100 nm waveband output is implemented on the basis of a nonlinear effect in fibers. The 800+/-100 nm waveband high-repetition-frequency and all-fiber laser generating device can be used as a high-performance and high-integration fiber seed source of a high-repetition-frequency doped titanium sapphire laser amplifier.
Description
Technical field
The present invention relates to fiber laser device technical field, more particularly, to a kind of 800 ± 100nm wave band Gao Zhongying all -fiber
Laser generator.
Background technology
With the development of laser science, export peak wavelength and be widely used in the high energy titanium precious stone laser light source of 780nm
In research fields such as higher hamonic wave generation, chirped pulse generation and astrophysics, there is important value.Locked mode titanium precious stone laser kind
The extremely wide emission spectra of component (700nm-900nm) is that the development of high-peak power ti sapphire laser provides sufficient condition, makes
It still can maintain shorter pulsewidth while high-energy exports.However, 700nm-900nm Ti∶Sapphire laser mode-locked laser kind
Component needs expensive Nd:YVO4/Nd:YLF frequency multiplication 532nm laser pumping, cause that it is expensive, space structure is various and
Difficult in maintenance.Secondly, for output wavelength in 700nm-900nm, the Ti∶Sapphire laser of repetition hundred kHz, pulse energy μ J- tens μ J swashs
For light device, it is typically the realization of relative difficulty.And hundred kHz, the ti sapphire laser of pulse energy μ J level needs to adopt
TEC or even liquid nitrogen refrigerating, lead to complex structure, and expensive.This is mainly due to the low thermal conductivity of Ti doped saphire
With efficiency.These limiting factors promote researcher to try to explore new technological means again, and to go to realize cheap, performance steady
Fixed reliable hundred kHz, the 700-900nm LASER Light Source of μ J level, make up the deficiency of existing titanium precious stone laser light source to a certain extent.
Content of the invention
In consideration of it, be necessary to provide a kind of high-performance, highly integrated, non-maintaining and can reduces cost 800 ± 100nm wave band
Gao Zhongying full optical fiber laser generator.
A kind of 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator, including the locked mode being sequentially connected by optical fiber
Optical fiber laser, Polarization Controller, the online polarizer, dispersion delayer, the first optical fiber prime amplifier, frequency controller, second
Optical fiber prime amplifier and main amplifier.
Wherein in an embodiment, described mode locked fiber laser is vibrated using mixing the inclined mode-locked fiber lasers of ytterbium all risk insurance
Device, wherein, mode-locking device is semiconductor saturable absorbing mirror, Graphene, CNT or topological insulator.
Wherein in an embodiment, the output of described mode locked fiber laser is less than 100mW, centre wavelength
1000-1100nm, spectral width 10 ± 5nm, repetition is less than 100MHz, and pulse width is less than 20ps.
Wherein in an embodiment, described Polarization Controller adopts Polarization Holding Fibers.
Wherein in an embodiment, the described online polarizer adopts polarization-maintaining fiber, and is operated in single polarization state.
Wherein in an embodiment, described dispersion delayer adopts length to be less than 2000m polarization-maintaining fiber.
Wherein in an embodiment, described first optical fiber prime amplifier mixes ytterbium single mode gain fibre using length for 1m
Diode fibre core pump laser amplifier, output signal power is less than 250mW.
Wherein in an embodiment, described frequency controller is using based on acoustooptical effect device or based on optical kerr effect
Device.
Wherein in an embodiment, described second optical fiber prime amplifier is diode pumping ytterbium-doped double-cladded-layer gain fibre
Laser amplifier.
Wherein in an embodiment, described main amplifier is using melting splicing photonic crystal gain fibre laser amplifier
Device, photonic crystal gain fibre adopts space pumping or bundling device welding pumping, and pump mode is forward pumping or backward pumping.
Above-mentioned 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator 100, is realized using all -fiber integrated technology
There is the high-performance of Gao Zhongying high-energy output, highly integrated 700-900nm LASER Light Source, overcome existing apparatus and adopt Ti∶Sapphire laser
The shortcomings of space structure that laser technology leads to is various, Operation and Maintenance is difficult is so that above-mentioned 800 ± 100nm wave band Gao Zhongying is complete
Optical-fiber laser generator 100 structure is relatively simple, and cost is relatively low, and has the advantages that highly reliable, non-maintaining.
Brief description
Fig. 1 is the structural representation of 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator of an embodiment.
Fig. 2 is the mode locked fiber laser 10 output light spectrogram of embodiment 1.
Fig. 3 is that mode locked fiber laser 10 output light of embodiment 1 is regulated and controled with the online polarizer 30 through Polarization Controller 20
Output light spectrogram afterwards.
Fig. 4 is that 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator of embodiment 1 is defeated in 700-900nm wave band
Go out spectrogram.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become apparent from, below in conjunction with drawings and Examples, to this
Bright it is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and without
In the restriction present invention.
Refer to Fig. 1,800 ± 100nm wave band Gao Zhongying full optical fiber laser generator 100 of an embodiment, including
The mode locked fiber laser 10 that is sequentially connected by optical fiber, Polarization Controller 20, the online polarizer 30, dispersion delayer 40,
One optical fiber prime amplifier 50, frequency controller 60, the second optical fiber prime amplifier 70 and main amplifier 80.
Specifically, Polarization Controller 20 is placed between mode locked fiber laser 10 and the online polarizer 30, and modelocked fiber swashs
Light device 10 is placed in Polarization Controller 20 front end, and is connected by optical fiber with Polarization Controller 20.This laser generator is
All -fiber melts splicing construction.The online polarizer 30 front end is connected by optical fiber with Polarization Controller 20 other end.Dispersion postpones
Device 40 is placed in the online polarizer 30 rear end, and is spliced by fiber fuse with the online polarizer 30.Mode locked fiber laser 10
Go out after seed pulse sequence is transmitted through Polarization Controller 20 and the online polarizer 30 successively and injected therewith by dispersion delayer 40
Adjacent the first optical fiber prime amplifier 50 side.First optical fiber prime amplifier 50 is placed in dispersion delayer 40 and frequency controller 60
Between, the first optical fiber prime amplifier 50 front end is connected by optical fiber in dispersion delayer 40 opposite side.Frequency controller 60 is placed in
First optical fiber prime amplifier 50 rear end, and melt splicing with the first optical fiber prime amplifier 50.Second optical fiber prime amplifier 70 is placed in
Between frequency controller 60 and main amplifier 80.Second optical fiber prime amplifier 70 is placed in frequency controller 60 opposite side, and with frequently
Rate controller 60 is connected by optical fiber.Main amplifier 80 is placed in the second optical fiber prime amplifier 70 opposite side, and with the second predispersed fiber
Amplifier 70 melting splicing, the other end is as output.
Using mixing ytterbium all risk insurance inclined mode-locked fiber lasers agitator, wherein, mode-locking device can be mode locked fiber laser 10
Semiconductor saturable absorbing mirror, Graphene, CNT or topological insulator etc..
The output of mode locked fiber laser 10<100mW, centre wavelength 1000-1100nm, spectral width 10 ± 5nm,
Repetition<100MHz, pulse width<20ps.
Polarization Controller 20 adopts Polarization Holding Fibers.
The online polarizer 30 adopts polarization-maintaining fiber, and is operated in single polarization state.
Dispersion delayer 40 using length is<2000m polarization-maintaining fiber.
First optical fiber prime amplifier 50 using length, put by the ytterbium single mode gain fibre diode fibre core pumping laser of mixing for 1m
Big device, output signal power<250mW.
Frequency controller 60 is using based on acoustooptical effect device or based on optical kerr effect device.
Second optical fiber prime amplifier 70 is diode pumping ytterbium-doped double-cladded-layer gain fibre laser amplifier.
Main amplifier 80 is using melting splicing photonic crystal gain fibre laser amplifier.Photonic crystal gain fibre is permissible
Using space pumping or bundling device welding pumping.Pump mode can be forward pumping or backward pumping.
Above-mentioned 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator, based on export to mode locked fiber laser
Pulse carries out polarizing principle of adjustment and control, reaches shaping spectrum effects, is combining light while subsequent gain optical fiber power amplifies
Nonlinear effect in fibre, realizes the Gao Zhongying full optical fiber laser device with the output of 800 ± 100nm wave band.Above-mentioned 800 ±
100nm wave band Gao Zhongying full optical fiber laser generator can be used as Gao Zhongying titanium precious stone laser amplifier high-performance, highly integrated
Optical fiber seed source.
Above-mentioned 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator 100, is realized using all -fiber integrated technology
There is the high-performance of Gao Zhongying high-energy output, highly integrated 700-900nm LASER Light Source, overcome existing apparatus and adopt Ti∶Sapphire laser
The shortcomings of space structure that laser technology leads to is various, Operation and Maintenance is difficult is so that above-mentioned 800 ± 100nm wave band Gao Zhongying is complete
Optical-fiber laser generator 100 structure is relatively simple, and cost is relatively low, and has the advantages that highly reliable, non-maintaining.
Above-mentioned 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator 100, using high-gain, high efficiency, bloom
Beam quality, outstanding thermal diffusivity optical fiber as gain and transmitting medium, overcome block Ti doped saphire inefficient, low dissipate
The defect such as hot is so that it has the advantages that to support Gao Zhongying high-power output.
Above-mentioned 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator 100, using diode laser pumped, gram
Take titanium precious stone laser technology and adopt expensive Nd:YVO4/Nd:The defect of YLF frequency double laser pumping is so that it has
The advantage of low cost.
Embodiment 1
In 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator 100 as shown in Figure 1, mode locked fiber laser
10 select output center wavelength 1030.8nm, spectrum full width at half maximum 10nm, power 22.3mW, pulsewidth 10ps, repetition 45MHz
The extreme optical generator of SESAM locked mode all risk insurance.Polarization Controller 20 adopts the online optical fiber polarization controller of manual type, and fiber type is
HI1060.The online polarizer 30 adopts PM980 polarization-maintaining fiber.Dispersion delayer 40 is polarization maintaining single mode optical fiber, length
For 1100m.First optical fiber prime amplifier 50 selects centre wavelength 976nm, and output 388mW single mode laser diode, guarantor are partially
Wavelength division multiplexer, length mix, for 1m polarization holding, the diode fibre core pumping list that ytterbium single mode gain fibre (PM-YSF-HI) is constituted
Mould laser amplifier.Frequency controller 60 adopts the full polarization fiber acousto-optic device that Gooch＆Housego company produces.Second
Optical fiber prime amplifier 70 adopts centre wavelength 976nm, and output is 791mW, and 105 μm of multimode laser diodes of core diameter, guarantor are partially
Pumping laser bundling device, length polarize for 60cm and keep ytterbium-doped double-cladded-layer gain fibre (PLMA-YDF-10/125-VIII) to constitute
Cladding pumping laser amplifier.Main amplifier 80 adopts output 9W, and 105 μm of multimode laser diodes of core diameter, guarantor are on the high side
The length of mould pump combiner and the production of NKT company is 2m, 40 μm of core diameter, 200 μm of guarantor's polarisation crystal gain light of cladding diameter
The fine fine melt constituting connects gain module.
Above mode locked fiber laser 10, Polarization Controller 20, the online polarizer 30, dispersion delayer 40, the first optical fiber
Prime amplifier 50, frequency controller 60, the second optical fiber prime amplifier 70 and main amplifier 80 are all spliced using fiber fuse, do not have
Any space optical path.The pulse train that mode locked fiber laser 10 sends is carried out through Polarization Controller 20 and the online polarizer 30 partially
The wave spectrum output shaken required for regulation and control, and then acquisition, as shown in Figure 3.
First optical fiber prime amplifier 50 is entered through dispersion delayer 40 by the pulse after spectral modulation, in 388mW 976nm
Under single-mode laser pumping, incident spectral modulation pulse is mixed ytterbium single mode gain fibre through 1m and is amplified to 210mW.Through first
Pulse train after optical fiber prime amplifier 50 is downconverted to 275.9kHz by frequency controller 60, by the second optical fiber prime amplifier 70
The output of 10mW, 275.9kHz laser is obtained after amplifying further.Second optical fiber prime amplifier 70 is exported by main amplifier 80
Amplify pulse laser to amplify further, in combination with the nonlinear optical effect in amplification process, finally create 700-900nm
Wave band of laser exports, and output spectrum is as shown in Figure 4.
The above is only the preferred embodiment of the present invention it is noted that for those skilled in the art,
Without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as this
Bright protection domain.
Claims (10)
1. one kind 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator is it is characterised in that include by optical fiber successively
The mode locked fiber laser of connection, Polarization Controller, the online polarizer, dispersion delayer, the first optical fiber prime amplifier, frequency control
Device processed, the second optical fiber prime amplifier and main amplifier.
2. 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator as claimed in claim 1 is it is characterised in that described
Mode locked fiber laser using mixing ytterbium all risk insurance inclined mode-locked fiber lasers agitator, wherein, inhale for quasiconductor saturable by mode-locking device
Receive mirror, Graphene, CNT or topological insulator.
3. 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator as claimed in claim 1 is it is characterised in that described
The output of mode locked fiber laser is less than 100mW, centre wavelength 1000-1100nm, spectral width 10 ± 5nm, and repetition is little
In 100MHz, pulse width is less than 20ps.
4. 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator as claimed in claim 1 is it is characterised in that described
Polarization Controller adopts Polarization Holding Fibers.
5. 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator as claimed in claim 1 is it is characterised in that described
The online polarizer adopts polarization-maintaining fiber, and is operated in single polarization state.
6. 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator as claimed in claim 1 is it is characterised in that described
Dispersion delayer adopts length to be less than 2000m polarization-maintaining fiber.
7. 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator as claimed in claim 1 is it is characterised in that described
First optical fiber prime amplifier mixes ytterbium single mode gain fibre diode fibre core pump laser amplifier using length for 1m, output letter
Number power is less than 250mW.
8. 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator as claimed in claim 1 is it is characterised in that described
Frequency controller is using based on acoustooptical effect device or based on optical kerr effect device.
9. 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator as claimed in claim 1 is it is characterised in that described
Second optical fiber prime amplifier is diode pumping ytterbium-doped double-cladded-layer gain fibre laser amplifier.
10. 800 ± 100nm wave band Gao Zhongying full optical fiber laser generator as claimed in claim 1 is it is characterised in that institute
State main amplifier using melting splicing photonic crystal gain fibre laser amplifier, photonic crystal gain fibre adopts space pumping
Or bundling device welding pumping, pump mode is forward pumping or backward pumping.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611135758.1A CN106451049B (en) | 2016-12-09 | 2016-12-09 | 800 + -100 nm wave band high-repetition frequency all-fiber laser generating device |
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| CN201611135758.1A CN106451049B (en) | 2016-12-09 | 2016-12-09 | 800 + -100 nm wave band high-repetition frequency all-fiber laser generating device |
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| CN106451049B CN106451049B (en) | 2023-10-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108039638A (en) * | 2017-12-08 | 2018-05-15 | 中国科学院西安光学精密机械研究所 | Low threshold twin-stage light spectrum reshaping flexible optical fibre high power mode-locked laser |
| CN111258147A (en) * | 2020-02-24 | 2020-06-09 | 南京航空航天大学 | One-dimensional photonic crystal amplitude limiting structure based on topological interface state and optical Kerr effect |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108039638A (en) * | 2017-12-08 | 2018-05-15 | 中国科学院西安光学精密机械研究所 | Low threshold twin-stage light spectrum reshaping flexible optical fibre high power mode-locked laser |
| CN108039638B (en) * | 2017-12-08 | 2024-01-05 | 中国科学院西安光学精密机械研究所 | Low-threshold two-stage spectrum shaping flexible optical fiber high-power mode-locked laser |
| CN111258147A (en) * | 2020-02-24 | 2020-06-09 | 南京航空航天大学 | One-dimensional photonic crystal amplitude limiting structure based on topological interface state and optical Kerr effect |
| CN111258147B (en) * | 2020-02-24 | 2021-04-27 | 南京航空航天大学 | One-dimensional photonic crystal amplitude limiting structure based on topological interface state and optical Kerr effect |
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| Publication number | Publication date |
|---|---|
| CN106451049B (en) | 2023-10-03 |
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