CN107181159A - All -fiber passive Q regulation pulse optical fiber laser - Google Patents
All -fiber passive Q regulation pulse optical fiber laser Download PDFInfo
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- CN107181159A CN107181159A CN201710532762.XA CN201710532762A CN107181159A CN 107181159 A CN107181159 A CN 107181159A CN 201710532762 A CN201710532762 A CN 201710532762A CN 107181159 A CN107181159 A CN 107181159A
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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
-
- 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
- H01S3/06729—Peculiar transverse fibre profile
-
- 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
- H01S3/08—Construction or shape of optical resonators or components thereof
Abstract
The present invention is based on two-chamber coupling principle, integrated all -fiber passive Q regulation pulse optical fiber laser is realized by way of with inside-pumping, the Absorber Bandwidth and transmitted bandwidth and the two that doped gain fiber is wider are made full use of in the presence of quite big juxtaposition range characteristics, rationally devise the service band of resonator, gain and the saturated absorption dual-use function of laser emission are realized in doped gain fiber, using the resonator of radiation laser pumping second of the first resonator, the passive Q regulation pulse optical fiber laser of all -fiber integration is realized by coupler.Also the energy density of laser in the second resonator doped gain fiber is improved, the bleaching switching capability of passive saturated absorbing body is improved using the second resonator doped gain fiber and the difference of the first resonator doped gain fiber fibre core core diameter simultaneously.Pulse optical fiber compact conformation of the present invention, performance are stable, are truly realized the all-fiber of pulse optical fiber.
Description
Technical field
The present invention relates to laser technology and technical field of optical fiber, a kind of all -fiber passive Q regulation pulse optical fiber is specifically related to
Laser.
Background technology
It is known that optical fiber laser due to its unique integrated, good beam quality, performance stabilization, efficiency high,
Area of dissipation is big, long lifespan and the features such as be easy to volume production, receives extensive concern and the welcome of numerous industrial users, optical-fiber laser
Device particularly pulse optical fiber achieves the development and popularization advanced by leaps and bounds, consumer electronics, new energy, biologic medical,
Laser micro-processing and other fields are obtained a wide range of applications.
The current wide variety of pulse optical fiber of industrial quarters is essentially all actively Q-switched optical fiber laser, using light
Fibre coupling acousto-optic modulator (space acousto-optical device) serves as optical switch, incoming fiber optic laser resonant cavity inner modulation laser
The cavity loss of device, realizes the pulse output of optical fiber laser.It is not all -fiber strictly to infer such pulse optical fiber
Integrated laser device.Such space acousto-optical device itself diffraction efficiency~85% or so, the efficiency after double fiber couplings is then as little as
70%, light transmission efficiency is further reduced, and increases the insertion loss of fiber resonance cavity, influences the output work of pulse optical fiber
Rate.Furthermore because optical homogeneity of the acoustooptic diffraction crystal of space acousto-optical device itself and the quality of the grating of inside generation are asked
Topic, causes acousto-optical device not only to have impact on the loss of resonator, also affects endovenous laser beam quality.Last space acousto-optical device and
The stability of drive circuit also have impact on job stability and the life-span of optical fiber laser.From cost control angle, acousto-optical device
Price is high, also improves the purchase cost of pulse optical fiber.In order to solve asking for acousto-optic Q modulation pulse optical fiber
Topic, it is a good selection scheme that passive Q-adjusted technology, which is not lost,.
The Passive intake device of 10XX wave band of laser traditionally has Cr：YAG (chromium, yttrium and aluminium doped garnet) crystal, GaAs arsenic
Change gallium crystal and SESAM (semiconductor saturated absorbing body) etc., but these crystal inherently space discrete device, while also existing
Optical homogeneity or the low shortcoming of anti-light injury threshold, therefore it is not suitable for use in optical-fiber laser modulation.Nearest researcher is new
The optical fiber of the saturated absorption optical fiber doping element such as Sm, Tm of research and development, due to the reason such as performance is unstable, is also not suitable for industrializing arteries and veins
The need for washing fibre laser off.
The content of the invention
The problem of existing for current pulse optical fiber, the present invention is based on two-chamber coupling principle, passes through band inside-pumping
Mode realize all -fiber passive Q regulation pulse optical fiber laser, compact conformation, height integrated, passive Q-adjusted with all-fiber
The characteristic that efficiency, threshold value are low and output is stable.
The technical proposal of the invention is realized in this way：
A kind of all -fiber passive Q regulation pulse optical fiber laser, including pumping source, pump combiner, the first resonator first
It is speculum, first the second speculum of resonator, second the first speculum of resonator, second the second speculum of resonator, first humorous
Shake chamber doped gain fiber, the second resonator doped gain fiber and mould field adaptation, the pump source fiber output end connection
The pumping end of the pump combiner, the signal output part of the pump combiner connects the first resonator doping gain light
Fine one end, the other end of the first resonator doped gain fiber connects the speculum of the first resonator second, described
The signal input part of pump combiner connects one end of the speculum of the second resonator second, institute by the mould field adaptation
The other end for stating second the second speculum of resonator connects one end of the second resonator doped gain fiber, and described second is humorous
The other end for chamber doped gain fiber of shaking connects the speculum of the second resonator first, the speculum of the second resonator first
The other end connect the speculum of the first resonator first；The speculum of second resonator first, the doping of the second resonator
Gain fibre and second the second speculum of resonator constitute the second resonator；The speculum of first resonator first, described
One the second speculum of resonator and the first resonator doped gain fiber between the two, pump combiner, mould field adaptation,
Two the second speculums of resonator, the second resonator doped gain fiber and second the first speculum of resonator constitute the first resonance
Chamber；
The pump light that pumping source is produced is coupled into the first resonator via pump combiner, adulterates and increases in the first resonator
Spontaneous radiation is produced in beneficial optical fiber, is formed via first the first speculum of resonator and first resonator the second speculum positive feedback
First resonator first wave length laser, the first wave length laser is located in the absorption band of the second resonator doped gain fiber, quilt
The second resonator doped gain fiber absorbs the spontaneous emission light produced in spontaneous emission light, the second resonator in second resonator
The second wave length of the second resonator is formed via second the first speculum of resonator and second the second speculum of resonator positive feedback
Laser, the wavelength of second wave length laser is more than the wavelength of first wave length laser；
The first wave length laser that first resonator is produced is in the second resonator doped gain fiber by the second resonator
When, the second resonator doped gain fiber is bleached because of saturated absorption first wave length laser, to the first wave length of the first resonator
Laser formation impulse modulation, first wave length pulse laser is developed into by the first wave length laser of the first resonator；First resonator
First wave length laser pumped by pulsed laser the second resonator doped gain fiber of generation, forms second wave length arteries and veins in the second resonator
Impulse light output, wherein, the gain media and the first resonator that the second resonator doped gain fiber serves as the second resonator swash
The dual-use function of the passive modulation saturated absorbing body of light；
Wavelength ratio the first resonator first wave length pulse laser of the second wave length pulse laser of second resonator output
Wavelength is long, the second wave length pulse laser exported via second the second speculum of resonator of the second resonator, by mould field
After orchestration and pump combiner, amplified by the first resonator doped gain fiber, it is then defeated from first the second speculum of resonator
Go out.
Further, the speculum of the first resonator first, first the second speculum of resonator, the second resonator first
Speculum and second the second speculum of resonator are reflection-type Bragg grating.
Further, the speculum of the first resonator first and first the second speculum of resonator are that operating wave strong point is anti-
Penetrate the high reflective grid that rate is more than 99%；The speculum of second resonator first is the height that operating wave strong point reflectivity is more than 99%
Reflective grid, the speculum of the second resonator second is reflection-type Bradley of the operating wave strong point reflectivity between 10%~98%
Lattice grating.
Further, the pumping source is fiber coupling output semiconductor laser, and its pump wavelength scope is located at
Between 780nm~2000nm.
Further, the driving and control of the semiconductor laser are implemented by FPGA/CPLD, and pumping working method is
Pulse mode or continuation mode.
Further, the first resonator doped gain fiber and the second resonator doped gain fiber are to mix ytterbium light
The single covering or double clad or many covering Active Optical Fibers of fine or erbium-ytterbium co-doped fiber or thulium doped fiber.
Further, the physical dimension core diameter of the first resonator doped gain fiber is humorous not less than described second
The physical dimension core diameter for chamber doped gain fiber of shaking, the numerical aperture of the two fibre core is identical or close.
Further, the pump combiner is the wavelength-division multiplex bundling device based on single-mode fiber or multimode fibre, or,
The pump combiner is (1+1) X1 or (2+1) X1 or (N+1) X1 pump combiners made by fused biconical taper technique.
Further, the position of the pump combiner is by between the mould field adaptation and the doping gain of the first resonator
It is transformed between optical fiber between the first resonator doped gain fiber and first the second speculum of resonator, pumping is closed
Beam device output end connects the first resonator doped gain fiber；Or, provided with another or multiple pumping sources and pump combiner,
Multiple pumping sources and pump combiner constitute two directional pump or the concatenation pumping of the first resonator doped gain fiber, multiple pumpings
The pump wavelength and power in source are identical or different.
Further, the wavelength of the first wave length laser of first resonator is 1035nm, corresponding second resonator
Second wave length laser wavelength be 1064nm；Or, the wavelength of the first wave length laser of first resonator is 1535nm,
The wavelength of the second wave length laser of corresponding second resonator is 1650nm.
The beneficial effects of the invention are as follows：The present invention is based on two-chamber coupling principle, and one is realized by way of with inside-pumping
Body all -fiber passive Q regulation pulse optical fiber laser, makes full use of Absorber Bandwidth and transmitted bandwidth that doped gain fiber is wider
And there are quite big juxtaposition range characteristics in the two, the service band of resonator is rationally devised, in doped gain fiber
In realize gain and the saturated absorption dual-use function of laser emission, utilize the resonance of radiation laser pumping second of the first resonator
Chamber, the passive Q regulation pulse optical fiber laser of all -fiber integration is realized by coupler.Also mixed simultaneously using the second resonator
The difference of miscellaneous gain fibre and the first resonator doped gain fiber fibre core core diameter, improves the second resonator doped gain fiber
The energy density of middle laser, improves the bleaching switching capability of passive saturated absorbing body.Pulse optical fiber structure of the present invention
Compact, performance is stable, is truly realized the all-fiber of pulse optical fiber.
Brief description of the drawings
Fig. 1 is the structural representation of all -fiber passive Q regulation pulse optical fiber laser of the embodiment of the present invention 1；
Fig. 2 is the structural representation of all -fiber passive Q regulation pulse optical fiber laser of the embodiment of the present invention 3；
Fig. 3 is the structural representation of all -fiber passive Q regulation pulse optical fiber laser of the embodiment of the present invention 4.
Embodiment
In order to be more clearly understood that the technology contents of the present invention, described in detail especially exemplified by following examples, its purpose is only
It is to be best understood from the protection domain that present disclosure is not intended to limit the present invention.
Embodiment one
As shown in figure 1, the present embodiment one is a kind of 10xxnm all -fibers passive Q regulation pulse optical fiber laser, including：
9xxnm (915nm, 920nm, 940nm, 950nm, 980nm etc.) pumping source (Pump LD) 1, pump combiner (PBC) 2, first
Resonator the first speculum 11, first resonator the second speculum 12, second resonator the first speculum 21, the second resonator
Two-mirror 22, the first resonator doped gain fiber 10, the second resonator doped gain fiber 20 and mould field adaptation (MFA)
30.Wherein, the pumping end of pumping source (Pump LD) 1 fiber-optic output connection pump combiner (PBC) 2, the letter of pump combiner
Number output end connects one end of the first resonator doped gain fiber 10, and the other end of the first resonator doped gain fiber 10 connects
Connect first the second speculum of resonator 12；The signal input part of pump combiner then connects mould field adaptation (MFA) 30, mould field
The other end of orchestration connects second the second speculum of resonator 22, and second the second speculum of resonator other end connects the second resonance
Chamber doped gain fiber 20, the other end of the second resonator doped gain fiber connects second the first speculum of resonator 21, the
Two the first speculum of resonator other ends connect first the first speculum of resonator 11.
First resonator the first speculum 11, first the second speculum of resonator 12 and all devices between the two, i.e.,
First resonator doped gain fiber 10, pump combiner 2, mould field adaptation (MFA) the second speculum of the 30, second resonator
22nd, the second resonator doped gain fiber 20 and second the first speculum of resonator 21 constitute the first resonator.
Second resonator the first speculum 21, the second resonator doped gain fiber 20 and second the second speculum of resonator
22 constitute the second resonator, wherein second the second speculum of resonator is the second resonator laser output.
Pumping source is fiber coupling output semiconductor laser in the present embodiment, and its operation wavelength regards specific doping gain light
Depending on fine absorption band.Pump wavelength scope be located at 780nm~2000nm between, including 9XXnm, such as 915nm, 940nm,
950nm and 980nm etc..
The driving and control of semiconductor laser in the present embodiment are implemented by FPGA/CPLD, and pumping working method can
Think pulse and continuous two ways.The power output and frequency of pulse optical fiber determine by semiconductor laser, especially
It is the working frequency of pump frequency and power decision optical fiber laser and output under the conditions of semiconductor laser pulsed operation
Power.
The first resonator doped gain fiber and the second resonator doped gain fiber are double using ytterbium is mixed in the present embodiment
Cladded-fiber, wherein the first resonator doped gain fiber 10 is the yb-doped double-clad fibers of Nufern 10/125, the second resonator
Doped gain fiber 20 is the yb-doped double-clad fibers of Nufern 6/125, and other optical fibre devices use the passive light of Corresponding matching
Fibre makes.
All speculums select reflection-type Bragg grating (FBG), including chirp grating and linear light in the present embodiment
Grid.First resonator the first speculum 11 and first the second speculum of resonator 12 of first resonator are high reflective grid, work
Reflectivity is 99.8% at wavelength 1035nm；Second the first speculum of resonator 21 of the second resonator is in second wave length laser wave
Long 1064nm reflectivity 99.8%, the reflectivity of second the second speculum of resonator 22 is then 80%.
In the present embodiment the wavelength of second wave length laser by the second resonator second the first speculum of resonator 21, second
Resonator the second speculum 22 and the second resonator doped gain fiber 20 determine, can select 1060nm, 1064nm,
1070nm, 1075nm and 1080nm etc..But the wavelength of the second resonator laser is necessarily more than the first resonator optical maser wavelength.
9xxnm pump lights are coupled into the first resonator via pump combiner, in the first resonator doped gain fiber
10xxnm spontaneous radiations are produced in 10, via first the first speculum of resonator and first resonator the second speculum positive feedback shape
Into the first resonator 1035nm oscillating lasers, the first wave length laser is located at the absorption band of the second resonator doped gain fiber
It is interior, absorbed by the second resonator doped gain fiber (mixing ytterbium gain fibre) in the second resonator and produce spontaneous emission light, second
Spontaneous emission light in resonator is via second the first speculum of resonator and the formation positive feedback of second the second speculum of resonator
Produce second wave length laser 1064nm.
When the 1035nm laser that the first resonator is produced is in the doping gain media by the second resonator, the second resonance
Chamber doped gain fiber is bleached because of saturated absorption first wave length laser, the laser formation impulse modulation to the first resonator, this
When the first resonator laser develop into pulse laser.The first wave length 1035nm laser pumped by pulsed laser that first resonator is produced
Two resonator doped gain fibers, form the output of second wave length 1064nm pulse lasers, now second is humorous in the second resonator
The gain fibre of chamber of shaking serves as the passive modulation saturated absorbing body of the second resonator doped gain fiber and the first resonator laser
Dual-use function.
The second wave length 1064nm laser exported via second the second speculum of resonator 22, by mould field adaptation
(MFA) it is, defeated from first resonator the second speculum 12 after the amplification of the first resonator doped gain fiber after pump combiner
Go out.Now the first resonator doped gain fiber 10 serves as the amplifier function of 1064nm laser.
Doped gain fiber can also be single covering and many covering Yb dosed optical fibers in the present embodiment.
10 microns of the physical dimension core diameter of the present embodiment the first resonator doped gain fiber is not less than the second resonance
6 microns of chamber doped gain fiber core diameter, the numerical aperture of the two fibre core is identical.The second resonator doping gain light can be improved
The energy density of laser in fibre, lifts the bleaching switching capability of passive saturated absorbing body.
When the first, second the first resonator doped gain fibers use the doping ytterbium optical fiber of identical core diameter, both
Between mould field adaptation can omit.
Pumping configuration is the position of pump combiner in unidirectional pumping, accompanying drawing 1 between mould field adaptation in the present embodiment
(MFA) 30 and first between resonator doped gain fiber 10, but it is also possible to positioned at the He of the first resonator doped gain fiber 10
Between first cavity mirror HR12, no matter which kind of direction, pumping light output end must connect the first resonator doping gain
Optical fiber；Or provided with another or multiple pumping sources and pump combiner, it is humorous that multiple pumping sources and pump combiner constitute first
The two directional pump for chamber doped gain fiber of shaking or concatenation pumping, the pump wavelength and power of multiple pumping sources are identical or different.
Embodiment two
The present embodiment two includes all technical characteristics in embodiment one, and its difference is, the first resonance in the present embodiment two
Chamber doped gain fiber and the second resonator doped gain fiber use erbium ytterbium co doped double clad fiber, wherein the first resonator
Doped gain fiber 10 is the erbium ytterbium co doped double clad fibers of Nufern 10/125, and the second resonator doped gain fiber 20 is
The erbium ytterbium co doped double clad fibers of Nufern 6/125, and the wavelength of the first wave length laser of first resonator is 1535nm,
The wavelength of the second wave length laser of corresponding second resonator is 1650nm.
In other embodiments, the first resonator doped gain fiber and the second resonator doped gain fiber can also be
The single covering or double clad or many covering Active Optical Fibers of the rare earth doped element such as thulium doped fiber.
Embodiment three
As shown in Fig. 2 the present embodiment two includes all technical characteristics in embodiment one, its difference is, in the present embodiment
Pumping configuration is two kinds of simultaneous bidirectional pumping structures in pumping direction, is closed provided with another pumping source 3 and another pumping
Beam device 4, two pumping sources and pump combiner constitute the two directional pump of the first resonator doped gain fiber, two pumping sources
Pump wavelength and power are identical or different.
Example IV
As shown in figure 3, the present embodiment four includes all technical characteristics in embodiment one, its difference is, in the present embodiment
Pumping configuration is the pumping configuration of two pumping source concatenations, provided with another pumping source and another pump combiner, two pumps
Bundling device concatenation in Pu constitutes the uni-directional series connected pumping of the first resonator doped gain fiber, the pump wavelength of two pumping sources and
Power is identical or different, and concatenation input can increase the number and power of input pumping, improving laser power output.
The present invention is based on two-chamber coupling principle, and the passive Q-adjusted arteries and veins of integrated all -fiber is realized by way of with inside-pumping
Wash fibre laser off, make full use of the Absorber Bandwidth and transmitted bandwidth and the two that doped gain fiber is wider in the presence of quite big friendship
Overlapping range feature is pitched, the service band of resonator is rationally devised, the increasing of laser emission is realized in doped gain fiber
Benefit and saturated absorption dual-use function, using the resonator of radiation laser pumping second of the first resonator, are realized by coupler
The passive Q regulation pulse optical fiber laser of all -fiber integration.It is simultaneously also humorous using the second resonator doped gain fiber and first
Shake the difference of chamber doped gain fiber fibre core core diameter, improve the energy density of laser in the second resonator doped gain fiber,
Improve the bleaching switching capability of passive saturated absorbing body.Pulse optical fiber compact conformation of the present invention, performance are stable, really
Realize the all-fiber of pulse optical fiber.
Above example is referring to the drawings, to a preferred embodiment of the present invention will be described in detail.Those skilled in the art
Member by above-described embodiment carry out various forms on modification or change, but without departing substantially from the present invention essence in the case of, all
Fall within the scope and spirit of the invention.
Claims (10)
1. a kind of all -fiber passive Q regulation pulse optical fiber laser, it is characterised in that：Including pumping source (1), pump combiner (2),
First the first speculum of resonator (11), first the second speculum of resonator (12), second the first speculum of resonator (21),
Two the second speculums of resonator (22), the first resonator doped gain fiber (10), the second resonator doped gain fiber (20)
With mould field adaptation (30), the pump source fiber output end connects the pumping end of the pump combiner, and beam is closed in the pumping
The signal output part of device connects one end of the first resonator doped gain fiber, the first resonator doped gain fiber
The other end connect the speculum of the first resonator second, the signal input part of the pump combiner passes through the mould field
Orchestration (30) connects one end of the speculum of the second resonator second, and the other end of the speculum of the second resonator second connects
One end of the second resonator doped gain fiber is connect, the other end connection of the second resonator doped gain fiber is described
Second the first speculum of resonator, other end connection first resonator first of the speculum of the second resonator first is anti-
Penetrate mirror；The speculum of second resonator first, the second resonator doped gain fiber and second resonator the second speculum structure
Into the second resonator；The speculum of first resonator first, the speculum of the first resonator second and between the two
One resonator doped gain fiber, pump combiner, mould field adaptation, second the second speculum of resonator, the second resonator are mixed
Miscellaneous gain fibre and second the first speculum of resonator constitute the first resonator；
The pump light that pumping source is produced is coupled into the first resonator via pump combiner, in the first resonator doping gain light
Spontaneous radiation is produced in fibre, first is formed via first the first speculum of resonator and first the second speculum of resonator positive feedback
Resonator first wave length laser, the first wave length laser is located in the absorption band of the second resonator doped gain fiber, by second
The second resonator doped gain fiber, which absorbs, in resonator produces spontaneous emission light, the spontaneous emission light in the second resonator via
Second the first speculum of resonator and second the second speculum of resonator positive feedback form the second wave length laser of the second resonator,
The wavelength of second wave length laser is more than the wavelength of first wave length laser；
The first wave length laser that first resonator is produced is in the second resonator doped gain fiber by the second resonator, and the
Two resonator doped gain fibers are bleached because of saturated absorption first wave length laser, to the first wave length laser shape of the first resonator
Into impulse modulation, the first wave length laser of the first resonator is developed into first wave length pulse laser；What the first resonator was produced
First wave length laser pumped by pulsed laser the second resonator doped gain fiber, forms second wave length pulse laser in the second resonator
Output, wherein, the second resonator doped gain fiber serves as the gain media of the second resonator and the quilt of the first resonator laser
The dual-use function of dynamic modulation saturated absorbing body；
The wavelength of wavelength ratio the first resonator first wave length pulse laser of the second wave length pulse laser of second resonator output
Second wave length pulse laser that is long, being exported via second the second speculum of resonator of the second resonator, by mould field adaptation
And after pump combiner, amplified by the first resonator doped gain fiber, then exported from first the second speculum of resonator.
2. all -fiber passive Q regulation pulse optical fiber laser according to claim 1, it is characterised in that：First resonance
The speculum of chamber first, first the second speculum of resonator, second the first speculum of resonator and second the second speculum of resonator
It is reflection-type Bragg grating.
3. all -fiber passive Q regulation pulse optical fiber laser according to claim 2, it is characterised in that：First resonance
The speculum of chamber first and first the second speculum of resonator are the high reflective grid that operating wave strong point reflectivity is more than 99%；Described
Two the first speculums of resonator are the high reflective grid that operating wave strong point reflectivity is more than 99%, and second resonator second reflects
Mirror is reflection-type Bragg grating of the operating wave strong point reflectivity between 10%~98%.
4. all -fiber passive Q regulation pulse optical fiber laser according to claim 1, it is characterised in that：The pumping source is
Fiber coupling output semiconductor laser, its pump wavelength scope is located between 780nm~2000nm.
5. all -fiber passive Q regulation pulse optical fiber laser according to claim 4, it is characterised in that：The semiconductor swashs
The driving and control of light device are implemented by FPGA/CPLD, and pumping working method is pulse mode or continuation mode.
6. all -fiber passive Q regulation pulse optical fiber laser according to claim 1, it is characterised in that：First resonance
Chamber doped gain fiber and the second resonator doped gain fiber are Yb dosed optical fiber or erbium-ytterbium co-doped fiber or thulium doped fiber
Single covering or double clad or many covering Active Optical Fibers.
7. all -fiber passive Q regulation pulse optical fiber laser according to claim 1, it is characterised in that：First resonance
The physical dimension core diameter of chamber doped gain fiber is fine not less than the physical dimension of the second resonator doped gain fiber
Core diameter, the numerical aperture of the two fibre core is identical or close.
8. all -fiber passive Q regulation pulse optical fiber laser according to claim 1, it is characterised in that：Beam is closed in the pumping
Device is the wavelength-division multiplex bundling device based on single-mode fiber or multimode fibre, or, the pump combiner is by fused biconical taper work
(1+1) X1 or (2+1) X1 or (N+1) X1 pump combiners that skill makes.
9. all -fiber passive Q regulation pulse optical fiber laser according to claim 1, it is characterised in that：Beam is closed in the pumping
The position of device is humorous between described first by being transformed between the mould field adaptation and the first resonator doped gain fiber
Between chamber doped gain fiber of shaking and first the second speculum of resonator, pump combiner output end connects the doping of the first resonator
Gain fibre；Or, provided with another or multiple pumping sources and pump combiner, multiple pumping sources and pump combiner constitute the
The two directional pump of one resonator doped gain fiber or concatenation pumping, the pump wavelength of multiple pumping sources are identical with power or not
Together.
10. all -fiber passive Q regulation pulse optical fiber laser according to claim 1, it is characterised in that：First resonance
The wavelength of the first wave length laser of chamber is 1035nm, and the wavelength of the second wave length laser of corresponding second resonator is 1064nm；
Or, the wavelength of the first wave length laser of first resonator is 1535nm, and the second wave length of corresponding second resonator swashs
The wavelength of light is 1650nm.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683067A (en) * | 2018-06-27 | 2018-10-19 | 淮北师范大学 | Pulse optical fiber based on saturable absorption optical fiber mode locking |
| CN110459939A (en) * | 2019-07-16 | 2019-11-15 | 中国科学院合肥物质科学研究院 | A kind of actively Q-switched optical fiber laser of narrow linewidth narrow spaces high repetition frequency |
| CN112769029A (en) * | 2021-01-22 | 2021-05-07 | 天津大学 | DBR short-cavity single-frequency fiber laser of multimode semiconductor pump source cladding pumping |
| CN113036587A (en) * | 2021-02-07 | 2021-06-25 | 中国科学院合肥物质科学研究院 | Amplified mid-infrared laser based on erbium-doped single crystal fiber seed light source |
| CN113708204A (en) * | 2021-09-26 | 2021-11-26 | 中国科学院半导体研究所 | Multi-cavity composite pulse laser and multi-cavity composite pulse laser amplifier |
| RU2762352C1 (en) * | 2020-11-26 | 2021-12-20 | Федеральное государственное унитарное предприятие "Российский федеральный ядерный центр - Всероссийский научно-исследовательский институт технической физики имени академика Е.И. Забабахина" | Single-mode fibre pulse laser |
| US20220131329A1 (en) * | 2019-01-31 | 2022-04-28 | South China University Of Technology | Multi-wavelength and single-frequency q-switching optical fiber laser device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557070A (en) * | 2009-05-19 | 2009-10-14 | 天津大学 | Acousto-optic Q-switched ytterbium-doped all-fiber laser |
| US20130016422A1 (en) * | 2011-07-13 | 2013-01-17 | Tzong-Yow Tsai | Q-switching-induced Gain-switched Erbium Pulse Laser System |
| CN103022869A (en) * | 2012-12-31 | 2013-04-03 | 电子科技大学 | Passive mode-locking guide gain modulated dual-wavelength pulse optical fiber laser |
| CN103151684A (en) * | 2013-02-20 | 2013-06-12 | 广东汉唐量子光电科技有限公司 | Pulse pump type standing wave resonant cavity nanosecond pulse laser |
| US20140050234A1 (en) * | 2011-08-17 | 2014-02-20 | Veralas, Inc. | Ultraviolet fiber laser system |
| CN103701022A (en) * | 2013-12-19 | 2014-04-02 | 北京工业大学 | Double-resonant-cavity all-optical-fiber mode-locked pulse laser |
| CN103701021A (en) * | 2013-12-17 | 2014-04-02 | 北京工业大学 | All-fiber pulse laser utilizing cross modulation of resonant cavities |
| CN106207723A (en) * | 2016-08-28 | 2016-12-07 | 北京工业大学 | A kind of all-fiber pulse laser of multi-resonant chamber coupling |
| CN207038915U (en) * | 2017-07-03 | 2018-02-23 | 山东大学 | All -fiber passive Q regulation pulse optical fiber laser |
| CN109412009A (en) * | 2018-11-12 | 2019-03-01 | 北京工业大学 | The all-fiber Q-switch and mode-locking pulse laser of dual resonant cavity coupling |
-
2017
- 2017-07-03 CN CN201710532762.XA patent/CN107181159A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557070A (en) * | 2009-05-19 | 2009-10-14 | 天津大学 | Acousto-optic Q-switched ytterbium-doped all-fiber laser |
| US20130016422A1 (en) * | 2011-07-13 | 2013-01-17 | Tzong-Yow Tsai | Q-switching-induced Gain-switched Erbium Pulse Laser System |
| US20140050234A1 (en) * | 2011-08-17 | 2014-02-20 | Veralas, Inc. | Ultraviolet fiber laser system |
| CN103022869A (en) * | 2012-12-31 | 2013-04-03 | 电子科技大学 | Passive mode-locking guide gain modulated dual-wavelength pulse optical fiber laser |
| CN103151684A (en) * | 2013-02-20 | 2013-06-12 | 广东汉唐量子光电科技有限公司 | Pulse pump type standing wave resonant cavity nanosecond pulse laser |
| CN103701021A (en) * | 2013-12-17 | 2014-04-02 | 北京工业大学 | All-fiber pulse laser utilizing cross modulation of resonant cavities |
| CN103701022A (en) * | 2013-12-19 | 2014-04-02 | 北京工业大学 | Double-resonant-cavity all-optical-fiber mode-locked pulse laser |
| CN106207723A (en) * | 2016-08-28 | 2016-12-07 | 北京工业大学 | A kind of all-fiber pulse laser of multi-resonant chamber coupling |
| CN207038915U (en) * | 2017-07-03 | 2018-02-23 | 山东大学 | All -fiber passive Q regulation pulse optical fiber laser |
| CN109412009A (en) * | 2018-11-12 | 2019-03-01 | 北京工业大学 | The all-fiber Q-switch and mode-locking pulse laser of dual resonant cavity coupling |
Non-Patent Citations (1)
| Title |
|---|
| 张丽强;卓壮;潘志勇;王云征;王静轩;: "可调谐掺Yb双包层光纤耗散孤子锁模激光器", 中国激光, no. 12 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683067A (en) * | 2018-06-27 | 2018-10-19 | 淮北师范大学 | Pulse optical fiber based on saturable absorption optical fiber mode locking |
| US20220131329A1 (en) * | 2019-01-31 | 2022-04-28 | South China University Of Technology | Multi-wavelength and single-frequency q-switching optical fiber laser device |
| CN110459939A (en) * | 2019-07-16 | 2019-11-15 | 中国科学院合肥物质科学研究院 | A kind of actively Q-switched optical fiber laser of narrow linewidth narrow spaces high repetition frequency |
| CN110459939B (en) * | 2019-07-16 | 2021-05-04 | 中国科学院合肥物质科学研究院 | Active Q-switched fiber laser with narrow line width, narrow pulse width and high repetition frequency |
| RU2762352C1 (en) * | 2020-11-26 | 2021-12-20 | Федеральное государственное унитарное предприятие "Российский федеральный ядерный центр - Всероссийский научно-исследовательский институт технической физики имени академика Е.И. Забабахина" | Single-mode fibre pulse laser |
| WO2022114992A1 (en) * | 2020-11-26 | 2022-06-02 | Федеральное Государственное Унитарное Предприятие "Российский Федеральный Ядерный Центр - Всероссийский Научно - Исследовательский Институт Технической Физики Имени Академика Е.И. Забабахина" | All-fibre pulsed laser |
| CN112769029A (en) * | 2021-01-22 | 2021-05-07 | 天津大学 | DBR short-cavity single-frequency fiber laser of multimode semiconductor pump source cladding pumping |
| CN113036587A (en) * | 2021-02-07 | 2021-06-25 | 中国科学院合肥物质科学研究院 | Amplified mid-infrared laser based on erbium-doped single crystal fiber seed light source |
| CN113036587B (en) * | 2021-02-07 | 2022-07-01 | 中国科学院合肥物质科学研究院 | Amplified mid-infrared laser based on erbium-doped single crystal fiber seed light source |
| CN113708204A (en) * | 2021-09-26 | 2021-11-26 | 中国科学院半导体研究所 | Multi-cavity composite pulse laser and multi-cavity composite pulse laser amplifier |
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