CN106159664A - Full optical fiber high-energy ultra-short pulse laser system - Google Patents
Full optical fiber high-energy ultra-short pulse laser system Download PDFInfo
- Publication number
- CN106159664A CN106159664A CN201610676454.XA CN201610676454A CN106159664A CN 106159664 A CN106159664 A CN 106159664A CN 201610676454 A CN201610676454 A CN 201610676454A CN 106159664 A CN106159664 A CN 106159664A
- Authority
- CN
- China
- Prior art keywords
- fiber
- optical fiber
- amplifier
- double
- short pulse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 title claims description 124
- 239000000835 fiber Substances 0.000 claims abstract description 145
- 239000004038 photonic crystal Substances 0.000 claims abstract description 39
- 238000005253 cladding Methods 0.000 claims description 48
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 26
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 claims description 26
- 238000005086 pumping Methods 0.000 claims description 18
- 230000010287 polarization Effects 0.000 claims description 7
- 239000004065 semiconductor Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000747 cardiac effect Effects 0.000 claims 1
- 238000007526 fusion splicing Methods 0.000 abstract 1
- 230000003321 amplification Effects 0.000 description 8
- 238000003199 nucleic acid amplification method Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 4
- 238000001069 Raman spectroscopy Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- 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
- H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
- H01S3/10023—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
The invention provides an all-fiber high-energy ultrashort pulse laser system which comprises a chirped fiber grating 3, a fiber laser 1, a fiber circulator 2, a first single-mode fiber amplifier 4, a first double-clad fiber amplifier 5, a frequency demultiplier 6, a second single-mode fiber amplifier 7, a second double-clad fiber amplifier 8, a flexible photonic crystal fiber amplifier 9 and a pulse compressor 10, wherein the fiber laser 1, the fiber circulator 2, the first single-mode fiber amplifier 4, the first double-clad fiber amplifier 5, the frequency demultiplier, the second single-mode fiber amplifier 7, the second double-clad fiber amplifier 8. The all-fiber high-energy ultra-short pulse laser system realizes connection by adopting fusion splicing of a polarization-maintaining all-fiber structure, so that the whole system has the characteristics of better stability, compactness, maintenance-free property and the like.
Description
Technical field
The present invention relates to laser technology field, particularly relate to a kind of all-fiber high-energy ultra-short pulse laser system.
Background technology
Volume is little, integrated level is high, good stability, non-maintaining and light beam matter owing to having for laser instrument based on all optical fibre structure
The advantages such as amount is good, have therefore obtained studying widely.In addition this type of laser instrument has a big surface volume ratio, perfect heat-dissipating,
The beam aberration that thermo-optic effect causes is little, is especially suitable for the output of high power laser light, therefore adopts the structure and have been realized in
The continuous laser output of myriawatt level.But, in ultrafast laser amplifies, owing to the limited mode field area of optical fiber limits so that super
When short laser pulse transmits in a fiber, serious nonlinear effect can be produced, cause the time domain of pulse to distort, be difficult to acquisition super
Short pulse punching output, is difficulty with high-octane ultrashort pulse output the most under normal circumstances.
But it is as the appearance of big mode field area doubly clad optical fiber and photonic crystal fiber, uses chirped pulse amplification skill
Art, can realize high-energy ultrashort pulse output in a fiber.Obtaining high power output in the world at present is 2.2mJ, pulsewidth
Ultrashort pulse for 500fs exports.Although which give the output of high-octane femtosecond laser, but owing to it is put at chirped pulse
During great, by pulse stretching to 2ns, and introduce two-stage photonic crystal gain fibre and be amplified, the especially light of the second level
Photonic crystal fiber is bar-shaped photonic crystal fiber, it is not possible to bending, needs tight Space Coupling, thus its system structure is multiple
Miscellaneous, poor stability, cost is high, and laser dimensions is the biggest.Corresponding with the bar-shaped photonic crystal fiber of rigid structure, current state
The output energy that on border, the ultrashort-pulse chirp pulse amplification system of employing single-stage flexible photonic crystal optical fibre realization is the highest is 100
μ J, a width of 650fs of short pulse obtained.But, the flexible photonic crystal optical fibre amplifier stage that it uses also is to use space coupling
Conjunction technology realizes, and its in amplification process, make use of that the third-order dispersion of grating comes in compensated optical fiber non-linear, because of
This needs strict control, it is achieved difficulty is big.
Although abroad achieving significantly progress in terms of high-energy femto second optical fiber laser, but at home, the most still
Without the ultra-short pulsed femtosecond laser amplifier system of all optical fibre structure of tens of micro-burnt ranks, and the other ultrashort pulse of this energy level swashs
The most commercial Application demands such as light can meet and includes accurate cutting, punching.
Summary of the invention
In view of this, in order to overcome defect and the problem of prior art, the present invention provides a kind of all-fiber high-energy ultrashort
Pulse laser system.
A kind of all-fiber high-energy ultra-short pulse laser system, it includes chirped fiber grating 3 and is linked in sequence successively
Optical fiber laser 1, optical fiber circulator the 2, first single-mode optical fiber amplifier the 4, first double-cladding fiber amplifier 5, frequency demultiplier 6,
Two single-mode optical fiber amplifier the 7, second double-cladding fiber amplifiers 8, flexible photonic crystal optical fibre amplifier 9 and pulse shortener
10, described chirped fiber grating 3 is connected to described optical fiber circulator 2, described optical fiber laser 1, described optical fiber circulator 2, institute
State chirped fiber grating 3, described first single-mode optical fiber amplifier 4, described first double-cladding fiber amplifier 5, described frequency demultiplier
6, described second single-mode optical fiber amplifier 7, described second double-cladding fiber amplifier 8, described flexible photonic crystal optical fibre amplify
Device 9 and described pulse shortener 10 all use the melted splicing protecting inclined all optical fibre structure to realize connecting.
In the present invention one better embodiment, described optical fiber circulator 2 includes light input end, light output end and connection
End, described optical fiber laser 1 accesses described optical fiber circulator 2 by described light input end, and described optical fiber circulator 2 is by described
Light output end accesses described first single-mode optical fiber amplifier 4, and described chirped fiber grating 3 is terminated into described light by described connection
Fine circulator 2.
In the present invention one better embodiment, described optical fiber laser 1 is the mode-locked laser of the inclined structure of all risk insurance, its output
The repetition rate of laser pulse is 40MHz, and pulsewidth is 15ps, centre wavelength 1030nm, mean power 18mw.
In the present invention one better embodiment, described chirped fiber grating 3 has the positive dispersion characteristic of fixing abbe number.
In the present invention one better embodiment, described first single-mode optical fiber amplifier 4 is by by single mode pumping semiconductor laser
What device, optical fibre wavelength division multiplexer and guarantor were inclined mixes ytterbium single-mode fiber composition.
In the present invention one better embodiment, described first double-cladding fiber amplifier 5 is by pump combiner, LD pumping source
And Double Cladding Ytterbium Doped Fiber composition.
In the present invention one better embodiment, described Double Cladding Ytterbium Doped Fiber is core diameter 10 μm, inner cladding diameter 125 μm
Protect inclined doubly clad optical fiber.
In the present invention one better embodiment, described frequency demultiplier 6 is that acousto-optic based on polarization maintaining optical fibre coupling input and output is adjusted
Device processed, it is mainly driven by acousto-optic modulator and acousto-optic crsytal forms.
In the present invention one better embodiment, described second single-mode optical fiber amplifier 7 by wavelength division multiplexer and mixes ytterbium list
Mould gain fibre forms.
In the present invention one better embodiment, described second double-cladding fiber amplifier 8 is by pump combiner, LD pumping source
And Double Cladding Ytterbium Doped Fiber composition.
In the present invention one better embodiment, described Double Cladding Ytterbium Doped Fiber is core diameter 10 μm, and inner cladding diameter is 125 μm
The inclined doubly clad optical fiber of guarantor.
In the present invention one better embodiment, described flexible photonic crystal optical fibre amplifier 9 is by pump combiner, LD pumping
Source and flexible photonic crystal optical fibre composition.
In the present invention one better embodiment, described flexible photonic crystal optical fibre enters according to guarantor's off-axis of photonic crystal fiber
Row coiling.
In the present invention one better embodiment, described pulse shortener 10 uses transmission-type grating pair, grating line density
1600line/mm。
Compared to prior art, in the described all-fiber high-energy ultra-short pulse laser system that the present invention provides, described light
Fibre laser, described optical fiber circulator, described chirped fiber grating, described first single-mode optical fiber amplifier, described first double-contracting
Layer fiber amplifier, described frequency demultiplier, described second single-mode optical fiber amplifier, described second double-cladding fiber amplifier, described
Flexible photonic crystal optical fibre amplifier and described pulse shortener all use the melted splicing protecting inclined all optical fibre structure to realize connecting,
Make whole system have preferably stability, compactedness and the feature such as non-maintaining, become a kind of highly integrated, exempt from the super of debugging
Short pulse laser system.Meanwhile, by introducing big mode field area photonic crystal fiber, ultrashort pulse is significantly reduced amplified
Nonlinear iterated process in journey, it is achieved that export high energy ultrashort pulse in all optical fibre structure, and owing to being all optical fibre structure, so
Output beam quality is high.Additionally, use full polarization fine, it can be ensured that the stability of fibre system and the insensitive spy of external disturbance
Property, and to make Output of laser be linear polarization.
Accompanying drawing explanation
Fig. 1 is the light channel structure schematic diagram of all-fiber high-energy ultra-short pulse laser system provided by the present invention；
Fig. 2 is the laser pulse auto-correlation after compressing based on all-fiber high-energy ultra-short pulse laser system shown in Fig. 1
Curve chart.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing
Give the better embodiment of the present invention.These are only the preferred embodiments of the present invention, not thereby limit the special of the present invention
Profit scope, every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process conversion, or directly or
Connect and be used in other relevant technical fields, be the most in like manner included in the scope of patent protection of the present invention.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term used the most in the description of the invention is intended merely to describe tool
The purpose of the embodiment of body, it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more
Arbitrary and all of combination of relevant Listed Items.
Referring to Fig. 1, a preferred embodiment of the present invention provides a kind of all-fiber high-energy ultra-short pulse laser system, its bag
Include chirped fiber grating 3 and the optical fiber laser 1 being linked in sequence successively, optical fiber circulator the 2, first single-mode optical fiber amplifier 4,
One double-cladding fiber amplifier 5, frequency demultiplier the 6, second single-mode optical fiber amplifier the 7, second double-cladding fiber amplifier 8, flexible light
Photonic crystal fiber amplifier 9 and pulse shortener 10, described chirped fiber grating 3 is connected to described optical fiber circulator 2, described light
Fibre laser 1, described optical fiber circulator 2, described chirped fiber grating 3, described first single-mode optical fiber amplifier 4, described first
Double-cladding fiber amplifier 5, described frequency demultiplier 6, described second single-mode optical fiber amplifier 7, described second Double-clad fiber amplifier
Device 8, described flexible photonic crystal optical fibre amplifier 9 and described pulse shortener 10 all use the melted spelling protecting inclined all optical fibre structure
Connect realization to connect.
Preferably, described optical fiber laser 1 is the mode-locked laser of the inclined structure of all risk insurance, the repetition frequency of its output laser pulse
Rate is 40MHz, and pulsewidth is 15ps, centre wavelength 1030nm, mean power 18mw.
In the present embodiment, described optical fiber circulator 2 includes light input end 21, light output end 23 and connects end 25, described
Optical fiber laser 1 accesses described optical fiber circulator 2 by described light input end 21, and described optical fiber circulator 2 is defeated by described light
Going out end 23 described first single-mode optical fiber amplifier 4 of access, described chirped fiber grating 3 accesses described light by described connection end 25
Fine circulator 2.
In the present embodiment, described chirped fiber grating 3 has the positive dispersion characteristic of fixing abbe number.May be appreciated
It is, owing to the refractive index of described chirped fiber grating 3 is spaced difference, to cause the light of different wave length diverse location wherein to meet
Bragg condition is reflected, and such as, HONGGUANG reflects in its porch, and blue light reflects at its afterbody.
It is understood that described optical fiber circulator 2 and described chirped fiber grating 3 have collectively constituted fiber stretcher.
In the present embodiment, described first single-mode optical fiber amplifier 4 is by single mode light pumping semiconductor laser, optical fibre wavelength-division multiplex
Device forms with protecting inclined ytterbium single-mode fiber of mixing.
In the present embodiment, described first double-cladding fiber amplifier 5 is mixed by pump combiner, LD pumping source and double clad
Ytterbium optical fiber forms.Wherein, described Double Cladding Ytterbium Doped Fiber is the inclined doubly clad optical fiber of guarantor of core diameter 10 μm, inner cladding diameter 125 μm.
In the present embodiment, described frequency demultiplier 6 be based on polarization maintaining optical fibre coupling input and output acousto-optic modulators, its mainly by
Acousto-optic modulator drives and acousto-optic crsytal forms.
In the present embodiment, described second single-mode optical fiber amplifier 7 is by single mode light pumping semiconductor laser, optical fibre wavelength-division multiplex
Device forms with protecting inclined ytterbium single-mode fiber of mixing.
In the present embodiment, described second double-cladding fiber amplifier 8 is mixed by pump combiner, LD pumping source and double clad
Ytterbium optical fiber forms.Wherein, described Double Cladding Ytterbium Doped Fiber is core diameter 10 μm, and inner cladding diameter is guarantor's inclined double clad light of 125 μm
Fine.Certainly, it is not limited to the present embodiment, described second double-cladding fiber amplifier 8 can also use the double-contracting of different core diameter
Layer optical fiber, such as 10um or 25um core diameter.
In the present embodiment, described flexible photonic crystal optical fibre amplifier 9 is by pump combiner, LD pumping source and flexible light
Photonic crystal fiber forms.Double Cladding Ytterbium Doped Fiber is core diameter 40 μm, and cladding diameter is the polarization-maintaining photonic crystal fiber of 200 μm.Its
In, described flexible photonic crystal optical fibre coils according to guarantor's off-axis of photonic crystal fiber, and it is big mode field area photon
Crystal optical fibre.
Preferably, use between described flexible photonic crystal optical fibre amplifier 9 and described second double-cladding fiber amplifier 8
Optical fiber fusion welding technology, it is achieved the welding to the special optical fiber of different mode field areas.Thus, by amplifying, ensureing without Raman frequency
In the case of shifting, output signal can be amplified.
In the present embodiment, described pulse shortener 10 uses transmission-type grating pair, grating line density 1600line/mm.
Hereinafter, the present invention illustrates described all-fiber high-energy ultra-short pulse laser system by specific embodiment.
Optical fiber laser 1 is all-fiber mode-locked laser, and the repetition rate of its output laser pulse is 40MHz, spectral width
Degree is 9nm, and pulse width is 15ps, and mean power is 18mW.
Optical fiber circulator 2 based on single-mode fiber and chirped fiber grating 3 form pulse stretcher, by input pulse by
Initial 15ps broadening is to more than 600ps, simultaneously because it is 1.5mW that loss causes output.
First single-mode optical fiber amplifier 4 by single mode light pumping semiconductor laser, optical fibre wavelength division multiplexer and guarantor inclined mix ytterbium
Single-mode fiber (core diameter 6 μm, cladding diameter 125um) forms, and the flashlight of 1.5mW is amplified to about 60mW.
Subsequently into the first double-cladding fiber amplifier 5, the first double-cladding fiber amplifier 5 is by pump combiner, LD pump
Source, Pu and Double Cladding Ytterbium Doped Fiber composition.Wherein, Double Cladding Ytterbium Doped Fiber is core diameter 10 μm, and the guarantor of inner cladding diameter 125 μm is inclined
Doubly clad optical fiber.The flashlight of 60mW is amplified to about 1.8W by the first double-cladding fiber amplifier 5.
The acousto-optic modulator that the flashlight of 1.8W couples through optical fiber, i.e. frequency demultiplier 6 carry out frequency reducing, seed source
The repetition rate of 40MHz is reduced to 200KHz, and after frequency reducing, output becomes 2mW.
Flashlight after frequency reducing enters back into the second single-mode optical fiber amplifier 7, and the second single-mode optical fiber amplifier 7 is by single mode pumping
What semiconductor laser, optical fibre wavelength division multiplexer and guarantor were inclined mixes ytterbium single-mode fiber (core diameter 6 μm, cladding diameter 125um) group
Become, the flashlight of 1.5mW is amplified to about 20mW.
Carrying out energy amplification subsequently into the second double-cladding fiber amplifier 8, the second double-cladding fiber amplifier 8 is by pumping
Bundling device, LD pumping source and Double Cladding Ytterbium Doped Fiber composition.Wherein, Double Cladding Ytterbium Doped Fiber is core diameter 10 μm, inner cladding diameter
Guarantor's inclined double clad gain fibre of 125 μm, the flashlight of 20mW is amplified by it, it is possible to obtain the output of the highest 2W.But,
Bigger non-linear owing to can produce in amplification process, including Raman frequency shift, therefore to ensure that the amplification of afterbody is defeated
Going out and control non-linear effective control of whole all-fiber high-energy ultra-short pulse laser system, signal is only amplified to by this level
300mW。
Then by the signal of 300mW by fused fiber splice, import in flexible photonic crystal optical fibre amplifier 9, flexible light
Photonic crystal fiber amplifier 9 is made up of pump combiner, LD pumping source and flexible photonic crystal optical fibre.Double Cladding Ytterbium Doped Fiber is
Core diameter 40 μm, the polarization-maintaining photonic crystal fiber of covering 200 μm.Flexible photonic crystal optical fibre is according to guarantor's off-axis of photonic crystal fiber
Coil.Optical fiber fusion welding technology is used, it is achieved to different mode field areas between flexible photonic crystal optical fibre and doubly clad optical fiber
The welding of special optical fiber.By amplifying, in the case of ensureing without Raman frequency shift, output signal can be amplified to 20W.
Light after amplification by the transmission grating (i.e. pulse shortener 10) of 1600lines/mm to being compressed, it is thus achieved that
Compression output 10W, pulse recurrence frequency is the laser output of 200KHz, is up to 50 μ in this corresponding single pulse energy
J, compression afterpulse width is 933fs.
Compared to prior art, in the described all-fiber high-energy ultra-short pulse laser system that the present invention provides, described light
Fibre laser 1, described optical fiber circulator 2, described chirped fiber grating 3, described first single-mode optical fiber amplifier 4, described first
Double-cladding fiber amplifier 5, described frequency demultiplier 6, described second single-mode optical fiber amplifier 7, described second Double-clad fiber amplifier
Device 8, described flexible photonic crystal optical fibre amplifier 9 and described pulse shortener 10 all use the melted spelling protecting inclined all optical fibre structure
Connect realization to connect so that whole system has preferably stability, compactedness and the feature such as non-maintaining, become a kind of high collection
Become, exempt from the ultra-short pulse laser system of debugging.Meanwhile, by introducing big mode field area photonic crystal fiber, significantly reduce
Nonlinear iterated process in ultrashort pulse amplification process, it is achieved that export high energy ultrashort pulse in all optical fibre structure, and owing to being
All optical fibre structure, so output beam quality is high.Additionally, use full polarization fine, it can be ensured that the stability of fibre system is with outer
The insensitive characteristic of portion's interference, and to make Output of laser be linear polarization.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (14)
1. an all-fiber high-energy ultra-short pulse laser system, it is characterised in that include chirped fiber grating (3) and the most suitable
The optical fiber laser (1) of sequence connection, optical fiber circulator (2), the first single-mode optical fiber amplifier (4), the first Double-clad fiber amplifier
Device (5), frequency demultiplier (6), the second single-mode optical fiber amplifier (7), the second double-cladding fiber amplifier (8), flexible photonic crystal light
Fiber amplifier (9) and pulse shortener (10), described chirped fiber grating (3) is connected to described optical fiber circulator (2), described light
Fibre laser (1), described optical fiber circulator (2), described chirped fiber grating (3), described first single-mode optical fiber amplifier (4),
Described first double-cladding fiber amplifier (5), described frequency demultiplier (6), described second single-mode optical fiber amplifier (7), described second
Double-cladding fiber amplifier (8), described flexible photonic crystal optical fibre amplifier (9) and described pulse shortener (10) all use guarantor
The melted splicing of all optical fibre structure partially realizes connecting.
2. all-fiber high-energy ultra-short pulse laser system as claimed in claim 1, it is characterised in that described optical fiber circulator
(2) including light input end, light output end and connect end, described optical fiber laser (1) accesses described by described light input end
Optical fiber circulator (2), described optical fiber circulator (2) accesses described first single-mode optical fiber amplifier (4) by described light output end,
Described chirped fiber grating (3) is terminated into described optical fiber circulator (2) by described connection.
3. all-fiber high-energy ultra-short pulse laser system as claimed in claim 1, it is characterised in that described optical fiber laser
(1) being the mode-locked laser of the inclined structure of all risk insurance, the repetition rate of its output laser pulse is 40MHz, and pulsewidth is 15ps, middle cardiac wave
Long 1030nm, mean power 18mw.
4. all-fiber high-energy ultra-short pulse laser system as claimed in claim 1, it is characterised in that described chirped fiber light
Grid (3) have the positive dispersion characteristic of fixing abbe number.
5. all-fiber high-energy ultra-short pulse laser system as claimed in claim 1, it is characterised in that described first single-mode optics
Fiber amplifier (4) is formed by by the ytterbium single-mode fiber of mixing that single mode light pumping semiconductor laser, optical fibre wavelength division multiplexer and guarantor are inclined.
6. all-fiber high-energy ultra-short pulse laser system as claimed in claim 1, it is characterised in that described first double clad
Fiber amplifier (5) is made up of pump combiner, LD pumping source and Double Cladding Ytterbium Doped Fiber.
7. all-fiber high-energy ultra-short pulse laser system as claimed in claim 6, it is characterised in that described double clad mixes ytterbium
Optical fiber is the inclined doubly clad optical fiber of guarantor of core diameter 10 μm, inner cladding diameter 125 μm.
8. all-fiber high-energy ultra-short pulse laser system as claimed in claim 1, it is characterised in that described frequency demultiplier (6)
Being acousto-optic modulators based on polarization maintaining optical fibre coupling input and output, it is mainly driven by acousto-optic modulator and acousto-optic crsytal forms.
9. all-fiber high-energy ultra-short pulse laser system as claimed in claim 1, it is characterised in that described second single-mode optics
Fiber amplifier (7) is by wavelength division multiplexer and mixes ytterbium single mode gain fibre and forms.
10. all-fiber high-energy ultra-short pulse laser system as claimed in claim 1, it is characterised in that described second double-contracting
Layer fiber amplifier (8) is made up of pump combiner, LD pumping source and Double Cladding Ytterbium Doped Fiber.
11. all-fiber high-energy ultra-short pulse laser systems as claimed in claim 10, it is characterised in that described double clad is mixed
Ytterbium optical fiber is core diameter 10 μm, and inner cladding diameter is the inclined doubly clad optical fiber of guarantor of 125 μm.
12. all-fiber high-energy ultra-short pulse laser systems as claimed in claim 1, it is characterised in that described flexible photonic
Crystal optical fibre amplifier (9) is made up of pump combiner, LD pumping source and flexible photonic crystal optical fibre.
13. all-fiber high-energy ultra-short pulse laser systems as claimed in claim 12, it is characterised in that described flexible photonic
Crystal optical fibre coils according to guarantor's off-axis of photonic crystal fiber.
14. all-fiber high-energy ultra-short pulse laser systems as claimed in claim 1, it is characterised in that described pulse compression
Device (10) uses transmission-type grating pair, grating line density 1600line/mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610676454.XA CN106159664A (en) | 2016-08-16 | 2016-08-16 | Full optical fiber high-energy ultra-short pulse laser system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610676454.XA CN106159664A (en) | 2016-08-16 | 2016-08-16 | Full optical fiber high-energy ultra-short pulse laser system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106159664A true CN106159664A (en) | 2016-11-23 |
Family
ID=57330877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610676454.XA Pending CN106159664A (en) | 2016-08-16 | 2016-08-16 | Full optical fiber high-energy ultra-short pulse laser system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106159664A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 two-stage spectrum shaping flexible optical fiber high-power mode-locked laser |
| CN110086078A (en) * | 2019-04-19 | 2019-08-02 | 北京盛镭科技有限公司 | Picosecond optical fiber seed laser |
| CN110476307A (en) * | 2017-03-29 | 2019-11-19 | Ipg光子公司 | Chirped-pulse amplification laser system |
| JP2020511634A (en) * | 2017-02-28 | 2020-04-16 | サントル ナシオナル ドゥ ラ ルシェルシェ シアンティフィクＣｅｎｔｒｅ Ｎａｔｉｏｎａｌ Ｄｅ Ｌａ Ｒｅｃｈｅｒｃｈｅ Ｓｃｉｅｎｔｉｆｉｑｕｅ | Laser light source for emitting pulses |
| CN112670807A (en) * | 2020-12-01 | 2021-04-16 | 中国科学院西安光学精密机械研究所 | Optical fiber ultrashort pulse laser system based on flexible transmission output and assembly method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083381A (en) * | 2006-05-30 | 2007-12-05 | 中国科学院西安光学精密机械研究所 | Semiconductor laser seed pulse main oscillation amplification all-fiber laser |
| US20080130100A1 (en) * | 2006-11-30 | 2008-06-05 | Northrop Grumman Corporation | High-efficiency, high-reliability fiber amplifier using engineered passband of photonic bandgap optical fiber |
| CN101771236A (en) * | 2008-12-31 | 2010-07-07 | 中国科学院西安光学精密机械研究所 | Chirped pulse amplification fiber laser system without stretcher |
| CN204349200U (en) * | 2015-01-29 | 2015-05-20 | 深圳市创鑫激光股份有限公司 | A kind of high power psec fiber laser based on polarization locked mode |
-
2016
- 2016-08-16 CN CN201610676454.XA patent/CN106159664A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083381A (en) * | 2006-05-30 | 2007-12-05 | 中国科学院西安光学精密机械研究所 | Semiconductor laser seed pulse main oscillation amplification all-fiber laser |
| US20080130100A1 (en) * | 2006-11-30 | 2008-06-05 | Northrop Grumman Corporation | High-efficiency, high-reliability fiber amplifier using engineered passband of photonic bandgap optical fiber |
| CN101771236A (en) * | 2008-12-31 | 2010-07-07 | 中国科学院西安光学精密机械研究所 | Chirped pulse amplification fiber laser system without stretcher |
| CN204349200U (en) * | 2015-01-29 | 2015-05-20 | 深圳市创鑫激光股份有限公司 | A kind of high power psec fiber laser based on polarization locked mode |
Non-Patent Citations (2)
| Title |
|---|
| 李峰等: "百微焦级飞秒光纤激光放大系统", 《中国激光》 * |
| 黄志华等: "基于光子晶体光纤的全光纤脉冲放大器", 《强激光与粒子束》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020511634A (en) * | 2017-02-28 | 2020-04-16 | サントル ナシオナル ドゥ ラ ルシェルシェ シアンティフィクＣｅｎｔｒｅ Ｎａｔｉｏｎａｌ Ｄｅ Ｌａ Ｒｅｃｈｅｒｃｈｅ Ｓｃｉｅｎｔｉｆｉｑｕｅ | Laser light source for emitting pulses |
| JP7162606B2 (en) | 2017-02-28 | 2022-10-28 | サントル ナシオナル ドゥ ラ ルシェルシェ シアンティフィク | A laser source for emitting a group of pulses |
| CN110476307A (en) * | 2017-03-29 | 2019-11-19 | Ipg光子公司 | Chirped-pulse amplification laser system |
| 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 two-stage spectrum shaping flexible optical fiber 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 |
| CN110086078A (en) * | 2019-04-19 | 2019-08-02 | 北京盛镭科技有限公司 | Picosecond optical fiber seed laser |
| CN112670807A (en) * | 2020-12-01 | 2021-04-16 | 中国科学院西安光学精密机械研究所 | Optical fiber ultrashort pulse laser system based on flexible transmission output and assembly method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9252554B2 (en) | Compact, coherent, high brightness light sources for the mid and far IR | |
| US8228597B2 (en) | All-fiber chirped pulse amplification systems | |
| Simakov et al. | High gain holmium-doped fibre amplifiers | |
| JP4816063B2 (en) | Broadband light source | |
| CN106159664A (en) | Full optical fiber high-energy ultra-short pulse laser system | |
| Sun et al. | High-power all-fiber femtosecond chirped pulse amplification based on dispersive wave and chirped-volume Bragg grating | |
| CN103329016A (en) | Methods and systems for fiber delivery of high peak power optical pulses | |
| Dong et al. | Mode-locked ytterbium-doped fiber laser based on offset-spliced graded index multimode fibers | |
| Steinkopff et al. | Impact of thermo-optical effects in coherently combined multicore fiber amplifiers | |
| Aydin et al. | Dual stage fiber amplifier operating near 3 µm with milijoule-level, sub-ns pulses at 5 W | |
| Wang et al. | Ultraviolet-enhanced supercontinuum generation with a mode-locked Yb-doped fiber laser operating in dissipative-soliton-resonance region | |
| CN201332211Y (en) | Visible light enhanced supercontinuum laser system with all-fiber structure | |
| US9684223B2 (en) | High efficiency fiber optical parametric oscillator | |
| Wang et al. | 926 nm Yb-doped fiber femtosecond laser system for two-photon microscopy | |
| Creeden et al. | 486nm blue laser operating at 500 kHz pulse repetition frequency | |
| Vazquez-Zuniga et al. | Adaptive broadband continuum source at 1200–1400 nm based on an all-fiber dual-wavelength master-oscillator power amplifier and a high-birefringence fiber | |
| Bobkov et al. | Generation of picosecond pulses with 150 W of average and 0.92 MW of peak power from an Yb-doped tapered fiber MOPA | |
| Shen et al. | Over 10 W linearly polarized supercontinuum directly produced in an erbium-doped fiber MOPA seeded with stretched soliton | |
| Zhong et al. | Direct and low-loss connection between a hollow-core optical fiber and a dispersion compensating fiber for dispersion-free delivery of short optical pulses in hollow-core fiber | |
| Li et al. | Experimental research of supercontinuum generation in a 1030nm fiber amplifier | |
| Bobkov et al. | Monolithic sub-MW peak power tapered ytterbium-doped fiber amplifier | |
| Chen et al. | Ultra-flat and ultra-broadband supercontinuum generation in photonic crystal fiber pumped by noise-like pulses | |
| Guichard et al. | 10µj, ultrashort sub-100 fs FCPA synthesizer | |
| Li et al. | Efficient cascade Raman source in methane-filled hollow-core fibers operating at 2.8 um | |
| Ji et al. | Experiment study on laser amplification with twins fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |
|
| RJ01 | Rejection of invention patent application after publication |