CN206619782U - 800 ± 100nm wave band Gao Zhongying full optical fiber laser generation devices - Google Patents
800 ± 100nm wave band Gao Zhongying full optical fiber laser generation devices Download PDFInfo
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- CN206619782U CN206619782U CN201621353116.4U CN201621353116U CN206619782U CN 206619782 U CN206619782 U CN 206619782U CN 201621353116 U CN201621353116 U CN 201621353116U CN 206619782 U CN206619782 U CN 206619782U
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Abstract
The utility model discloses one kind 800 ± 100nm wave band Gao Zhongying full optical fiber laser generation devices, belong to laser technology and non-linear optical field, solve existing apparatus using block titanium gem crystal as the problems such as space optical path caused by gain media is various, complicated, stability is poor.800 ± 100nm wave band Gao Zhongying full optical fiber lasers generation device includes mode locked fiber laser, Polarization Controller, the online polarizer, dispersion delayer, the first optical fiber prime amplifier, frequency controller, the second optical fiber prime amplifier and the main amplifier being sequentially connected by optical fiber.Polarization principle of adjustment and control is carried out based on the pulse exported to mode locked fiber laser, reach shaping spectrum effects, nonlinear effect in optical fiber is combined while by the amplification of subsequent gain optical fiber power, the Gao Zhongying full optical fiber laser device exported with 800 ± 100nm wave bands is realized.Above-mentioned 800 ± 100nm wave bands Gao Zhongying full optical fiber laser generation device can be used as Gao Zhongying titanium precious stone laser amplifier high-performance, highly integrated optical fiber seed source.
Description
Technical field
The utility model is related to fiber laser device technical field, more particularly to one kind 800 ± 100nm wave band Gao Zhongyings are complete
Optical-fiber laser generation device.
Background technology
With the development of laser science, output peak wavelength is widely used in 780nm high energy titanium precious stone laser light source
In research fields such as higher hamonic wave generation, chirped pulse generation and astrophysics, with important value.Locked mode titanium precious stone laser kind
Component extremely wide emission spectra (700nm-900nm) provides adequate condition for the development of high-peak power ti sapphire laser, makes
It still can maintain shorter pulsewidth while high-energy is exported.However, 700nm-900nm Ti∶Sapphire laser mode-locked laser kinds
Component needs expensive Nd:YVO4/Nd:YLF frequency multiplication 532nm laser pumpings, cause its expensive, space structure various and
It is difficult in maintenance.Secondly, for output wavelength in 700nm-900nm, the μ J of repetition hundred kHz, pulse energy μ J- tens Ti∶Sapphire laser swashs
For light device, it is typically the realization of relative difficulty.And hundred kHz, the ti sapphire laser that J grades of pulse energy μ needs to use
TEC even liquid nitrogen refrigerating, cause it is complicated 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 to go to realize that cheap, performance is steady
Fixed reliable hundred kHz, J grades of μ 700-900nm LASER Light Sources make up the deficiency of existing titanium precious stone laser light source to a certain extent.
Utility model content
In consideration of it, be necessary to provide a kind of high-performance, 800 ± 100nm wave bands highly integrated, non-maintaining and that cost can be reduced
Gao Zhongying full optical fiber laser generation device.
One kind 800 ± 100nm wave band Gao Zhongying full optical fiber laser generation devices, 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.
In one of the embodiments, the mode locked fiber laser is vibrated using the inclined mode-locked fiber lasers of ytterbium all risk insurance are mixed
Device, wherein, mode-locking device is semiconductor saturable absorbing mirror, graphene, CNT or topological insulator.
In one of the embodiments, the power output of the mode locked fiber laser is less than 100mW, centre wavelength
1000-1100nm, 10 ± 5nm of spectral width, repetition are less than 100MHz, and pulse width is less than 20ps.
In one of the embodiments, the Polarization Controller uses Polarization Holding Fibers.
In one of the embodiments, the online polarizer uses polarization-maintaining fiber, and is operated in single polarization state.
In one of the embodiments, the dispersion delayer is less than 2000m polarization-maintaining fibers using length.
In one of the embodiments, the first optical fiber prime amplifier uses length to mix ytterbium single mode gain fibre for 1m
Diode fibre core pump laser amplifier, output signal power is less than 250mW.
In one of the embodiments, the frequency controller is used based on acoustooptical effect device or based on optical kerr effect
Device.
In one of the embodiments, the second optical fiber prime amplifier is diode pumping ytterbium-doped double-cladded-layer gain fibre
Laser amplifier.
In one of the embodiments, the main amplifier is using melting splicing photonic crystal gain fibre laser amplifier
Device, photonic crystal gain fibre uses space pumping or bundling device welding pumping, and pump mode is forward pumping or backward pumping.
Above-mentioned 800 ± 100nm wave bands Gao Zhongying full optical fiber laser generation device 100, is realized using all -fiber integrated technology
High-performance, highly integrated 700-900nm LASER Light Sources with the output of Gao Zhongying high-energy, overcome existing apparatus and use Ti∶Sapphire laser
The shortcomings of space structure is various caused by laser technology, Operation and Maintenance is difficult so that above-mentioned 800 ± 100nm wave bands Gao Zhongying is complete
The structure of optical-fiber laser generation device 100 is relatively simple, and cost is relatively low, and has the advantages that highly reliable, non-maintaining.
Brief description of the drawings
Fig. 1 is the structural representation of 800 ± 100nm wave band Gao Zhongying full optical fiber laser generation devices of an embodiment.
Fig. 2 is the output light spectrogram of mode locked fiber laser 10 of embodiment 1.
Fig. 3 regulates and controls for the output light of mode locked fiber laser 10 of embodiment 1 through Polarization Controller 20 with the online polarizer 30
Output light spectrogram afterwards.
Fig. 4 is defeated in 700-900nm wave bands for 800 ± 100nm wave band Gao Zhongying full optical fiber laser generation devices of embodiment 1
Go out spectrogram.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage become apparent from, it is right below in conjunction with drawings and Examples
The utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this reality
With new, it is not used to limit the utility model.
Referring to Fig. 1,800 ± 100nm wave band Gao Zhongying full optical fiber lasers generation device 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, modelocked fiber swashs
Light device 10 is placed in the front end of Polarization Controller 20, and is connected with Polarization Controller 20 by optical fiber.The laser generator is
All -fiber melts splicing construction.The online front end of the polarizer 30 is connected with the other end of Polarization Controller 20 by optical fiber.Dispersion postpones
Device 40 is placed in the online rear end of the polarizer 30, and is spliced with the online polarizer 30 by fiber fuse.Mode locked fiber laser 10 is sent out
Go out seed pulse sequence to transmit by Polarization Controller 20 and inject therewith after the line polarizer 30 by dispersion delayer 40 successively
The adjacent side of the first optical fiber prime amplifier 50.First optical fiber prime amplifier 50 is placed in dispersion delayer 40 and frequency controller 60
Between, the front end of the first optical fiber prime amplifier 50 is connected in the opposite side of dispersion delayer 40 by optical fiber.Frequency controller 60 is placed in
The rear end of first optical fiber prime amplifier 50, 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 the opposite side of frequency controller 60, and with frequency
Rate controller 60 is connected by optical fiber.Main amplifier 80 is placed in the opposite side of the second optical fiber prime amplifier 70, and with the second predispersed fiber
The melting splicing of amplifier 70, the other end is used as output.
Mode locked fiber laser 10, which is used, mixes the inclined mode-locked fiber lasers oscillator of ytterbium all risk insurance, wherein, mode-locking device can be
Semiconductor saturable absorbing mirror, graphene, CNT or topological insulator etc..
The power output of mode locked fiber laser 10<100mW, centre wavelength 1000-1100nm, 10 ± 5nm of spectral width,
Repetition<100MHz, pulse width<20ps.
Polarization Controller 20 uses Polarization Holding Fibers.
The online polarizer 30 uses polarization-maintaining fiber, and is operated in single polarization state.
Dispersion delayer 40 use length for<2000m polarization-maintaining fibers.
First optical fiber prime amplifier 50 uses length to be put for 1m ytterbium single mode gain fibre diode fibre core pumping laser of mixing
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 can be with
Using space pumping or bundling device welding pumping.Pump mode can be forward pumping or backward pumping.
Above-mentioned 800 ± 100nm wave bands Gao Zhongying full optical fiber laser generation device, based on what is exported to mode locked fiber laser
Pulse carries out polarization principle of adjustment and control, reaches shaping spectrum effects, and light is combined while by the amplification of subsequent gain optical fiber power
Nonlinear effect in fibre, realizes the Gao Zhongying full optical fiber laser device exported with 800 ± 100nm wave bands.Above-mentioned 800 ±
100nm wave band Gao Zhongying full optical fiber lasers generation device can be as Gao Zhongying titanium precious stone laser amplifier high-performance, highly integrated
Optical fiber seed source.
Above-mentioned 800 ± 100nm wave bands Gao Zhongying full optical fiber laser generation device 100, is realized using all -fiber integrated technology
High-performance, highly integrated 700-900nm LASER Light Sources with the output of Gao Zhongying high-energy, overcome existing apparatus and use Ti∶Sapphire laser
The shortcomings of space structure is various caused by laser technology, Operation and Maintenance is difficult so that above-mentioned 800 ± 100nm wave bands Gao Zhongying is complete
The structure of optical-fiber laser generation device 100 is relatively simple, and cost is relatively low, and has the advantages that highly reliable, non-maintaining.
Above-mentioned 800 ± 100nm wave bands Gao Zhongying full optical fiber laser generation device 100, using high-gain, high efficiency, bloom
Beam quality, outstanding thermal diffusivity optical fiber as gain and transmitting medium, overcome block Ti doped saphire it is inefficient, it is low dissipate
The defect such as hot so that it has the advantages that to support Gao Zhongying high-power output.
Above-mentioned 800 ± 100nm wave bands Gao Zhongying full optical fiber laser generation device 100, using diode laser pumped, gram
Titanium precious stone laser technology has been taken using expensive Nd:YVO4/Nd:The defect of YLF frequency double laser pumpings so that it has
The advantage of low cost.
Embodiment 1
In 800 ± 100nm wave band Gao Zhongying full optical fiber lasers generation device 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 insurances.Polarization Controller 20 uses the online optical fiber polarization controller of hand, and fiber type is
HI1060.The online polarizer 30 uses PM980 polarization-maintaining fibers.Dispersion delayer 40 is polarization maintaining single mode optical fiber, length
For 1100m.First optical fiber prime amplifier 50 selects centre wavelength 976nm, power output 388mW single mode laser diodes, polarization-maintaining
Wavelength division multiplexer, length are that 1m polarizes the diode fibre core pumping list that ytterbium single mode gain fibre (PM-YSF-HI) composition is mixed in holding
Mould laser amplifier.The full polarization fiber acousto-optic device that frequency controller 60 is produced using Gooch＆Housego companies.Second
Optical fiber prime amplifier 70 uses centre wavelength 976nm, and power output is 791mW, core diameter 105 μm of multimode laser diodes, polarization-maintainings
Pumping laser bundling device, length are that 60cm polarizations keep ytterbium-doped double-cladded-layer gain fibre (PLMA-YDF-10/125-VIII) to constitute
Cladding pumping laser amplifier.Main amplifier 80 uses power output 9W, and 105 μm of multimode laser diodes, polarization-maintainings of core diameter are more
The length that mould pump combiner and NKT companies produce is 2m, 40 μm of core diameter, 200 μm of polarization-maintaining photonic crystal gain light of cladding diameter
The fine melt that fibre is constituted 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 spliced using fiber fuse, are not had
Any space optical path.The pulse train that mode locked fiber laser 10 is sent is carried out partially through Polarization Controller 20 and the online polarizer 30
Shake regulation and control, and then the wave spectrum output required for obtaining, 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 mixes ytterbium single mode gain fibre by 1m and is amplified to 210mW.By 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 further obtained after amplification.Main amplifier 80 exports the second optical fiber prime amplifier 70
Amplification pulse laser further amplifies, and in combination with the nonlinear optical effect in amplification process, finally generates 700-900nm
Wave band of laser is exported, and output spectrum is as shown in Figure 4.
It the above is only preferred embodiment of the present utility model, it is noted that for the ordinary skill people of the art
Member, on the premise of the utility model principle is not departed from, can also make some improvements and modifications, and these improvements and modifications also should
It is considered as protection domain of the present utility model.
Claims (10)
1. one kind 800 ± 100nm wave band Gao Zhongying full optical fiber laser generation devices, it is characterised in that including 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 bands Gao Zhongying full optical fiber laser generation device as claimed in claim 1, it is characterised in that described
Mode locked fiber laser, which is used, mixes the inclined mode-locked fiber lasers oscillator of ytterbium all risk insurance, wherein, mode-locking device is that semiconductor saturable is inhaled
Receive mirror, graphene, CNT or topological insulator.
3. 800 ± 100nm wave bands Gao Zhongying full optical fiber laser generation device as claimed in claim 1, it is characterised in that described
The power output of mode locked fiber laser is less than 100mW, and centre wavelength 1000-1100nm, 10 ± 5nm of spectral width, repetition is small
In 100MHz, pulse width is less than 20ps.
4. 800 ± 100nm wave bands Gao Zhongying full optical fiber laser generation device as claimed in claim 1, it is characterised in that described
Polarization Controller uses Polarization Holding Fibers.
5. 800 ± 100nm wave bands Gao Zhongying full optical fiber laser generation device as claimed in claim 1, it is characterised in that described
The online polarizer uses polarization-maintaining fiber, and is operated in single polarization state.
6. 800 ± 100nm wave bands Gao Zhongying full optical fiber laser generation device as claimed in claim 1, it is characterised in that described
Dispersion delayer is less than 2000m polarization-maintaining fibers using length.
7. 800 ± 100nm wave bands Gao Zhongying full optical fiber laser generation device as claimed in claim 1, it is characterised in that described
First optical fiber prime amplifier uses length to mix ytterbium single mode gain fibre diode fibre core pump laser amplifier, output letter for 1m
Number power is less than 250mW.
8. 800 ± 100nm wave bands Gao Zhongying full optical fiber laser generation device as claimed in claim 1, it is characterised in that described
Frequency controller is used based on acoustooptical effect device or based on optical kerr effect device.
9. 800 ± 100nm wave bands Gao Zhongying full optical fiber laser generation device as claimed in claim 1, 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 bands Gao Zhongying full optical fiber laser generation device as claimed in claim 1, it is characterised in that institute
Main amplifier is stated using melting splicing photonic crystal gain fibre laser amplifier, photonic crystal gain fibre uses 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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| CN201621353116.4U CN206619782U (en) | 2016-12-09 | 2016-12-09 | 800 ± 100nm wave band Gao Zhongying full optical fiber laser generation devices |
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| CN201621353116.4U CN206619782U (en) | 2016-12-09 | 2016-12-09 | 800 ± 100nm wave band Gao Zhongying full optical fiber laser generation devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451049A (en) * | 2016-12-09 | 2017-02-22 | 中国科学院西安光学精密机械研究所 | 800+/-100 nm waveband high-repetition-frequency and all-fiber laser generating device |
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2016
- 2016-12-09 CN CN201621353116.4U patent/CN206619782U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451049A (en) * | 2016-12-09 | 2017-02-22 | 中国科学院西安光学精密机械研究所 | 800+/-100 nm waveband high-repetition-frequency and all-fiber laser generating device |
| CN106451049B (en) * | 2016-12-09 | 2023-10-03 | 中国科学院西安光学精密机械研究所 | 800 + -100 nm wave band high-repetition frequency all-fiber laser generating device |
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