CN207038915U - 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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- CN207038915U CN207038915U CN201720792439.1U CN201720792439U CN207038915U CN 207038915 U CN207038915 U CN 207038915U CN 201720792439 U CN201720792439 U CN 201720792439U CN 207038915 U CN207038915 U CN 207038915U
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Abstract
The utility model 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, make full use of the Absorber Bandwidth and transmitted bandwidth that doped gain fiber is wider and the two quite big juxtaposition range characteristics of presence, the service band of resonator is rationally designed, 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 integrated passive Q regulation pulse optical fiber laser of all -fiber is realized by coupler.The second resonator doped gain fiber and the difference of the first resonator doped gain fiber fibre core core diameter are also utilized simultaneously, improves the energy density of laser in the second resonator doped gain fiber, improve the bleaching switching capability of passive saturated absorbing body.The utility model pulse optical fiber is compact-sized, stable performance, is truly realized the all-fiber of pulse optical fiber.
Description
Technical field
Laser technology and technical field of optical fiber are the utility model is related to, is specifically related to a kind of all -fiber passive Q regulation pulse
Optical fiber laser.
Background technology
It is known that optical fiber laser due to its unique integrated, good beam quality, stable performance, 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 obtain a wide range of applications.
The wide variety of pulse optical fiber of industrial quarters is essentially all actively Q-switched optical fiber laser at present, 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, realize 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 further reduces, 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 grating caused by inside 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 exist
The shortcomings such as optical homogeneity or anti-light injury threshold are low, 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, it is also not suitable for industrializing arteries and veins
Wash the needs of fibre laser off.
The content of the invention
The problem of existing for current pulse optical fiber, the utility model are based on two-chamber coupling principle, by band
The mode of pumping realizes all -fiber passive Q regulation pulse optical fiber laser, has all-fiber integrated, passive Q-adjusted, structure is tight
Gather, high efficiency, the characteristic that threshold value is low and output is stable.
What the technical solution of the utility model was realized in：
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 connect 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 form 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 form the first resonance
Chamber；
Pump light caused by pumping source 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 are located in the absorption band of the second resonator doped gain fiber, quilt
The second resonator doped gain fiber, which absorbs, in second resonator produces spontaneous emission light, the spontaneous emission light in the 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 are more than the wavelength of first wave length laser；
First wave length laser caused by first resonator is in the second resonator doped gain fiber by the second resonator
When, the second resonator doped gain fiber is because saturated absorption first wave length laser is bleached, to the first wave length of the first resonator
Laser forms impulse modulation, and the first wave length laser of the first resonator is developed into first wave length pulse laser；First resonator
Caused the second resonator of first wave length laser pumped by pulsed laser doped gain fiber, second wave length arteries and veins is formed in the second resonator
Impulse light output, wherein, the second resonator doped gain fiber serves as the gain media of the second resonator and the first resonator swashs
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 grown, 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 are 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 semiconductor laser driving and control by FPGA/CPLD implementations, 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
Fine or erbium-ytterbium co-doped fiber or thulium doped fiber single covering or double clad or more covering Active Optical Fibers.
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 are 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 between the mould field adaptation and the first resonator by adulterating gain
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 form 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
The wavelength of second wave length laser 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 utility model are：The utility model is based on two-chamber coupling principle, by way of with inside-pumping
Realize integrated all -fiber passive Q regulation pulse optical fiber laser, make full use of the wider Absorber Bandwidth of doped gain fiber and
Transmitted bandwidth and the two quite big juxtaposition range characteristics of presence, have rationally designed the service band of resonator, have adulterated
Gain and the saturated absorption dual-use function of laser emission are realized in gain fibre, utilizes the radiation laser pumping of the first resonator
Second resonator, the passive Q regulation pulse optical fiber laser of all -fiber integration is realized by coupler.Second is also utilized simultaneously
The difference of resonator doped gain fiber and the first resonator doped gain fiber fibre core core diameter, improve the doping of the second resonator
The energy density of laser in gain fibre, improve the bleaching switching capability of passive saturated absorbing body.The utility model pulsed light
Fibre laser is compact-sized, stable performance, 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 utility model embodiment 1；
Fig. 2 is the structural representation of all -fiber passive Q regulation pulse optical fiber laser of the utility model embodiment 3；
Fig. 3 is the structural representation of all -fiber passive Q regulation pulse optical fiber laser of the utility model embodiment 4.
Embodiment
In order to be more clearly understood that technology contents of the present utility model, described in detail especially exemplified by following examples, its mesh
Be only that be best understood from content of the present utility model and unrestricted the scope of protection of the utility model.
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 connect 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 form the first resonator.
Second resonator the first speculum 21, the second resonator doped gain fiber 20 and second the second speculum of resonator
22 form 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 is between 780nm~2000nm, 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, are worked
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 forms positive feedback via second the first speculum of resonator and second the second speculum of resonator
Produce second wave length laser 1064nm.
In 1035nm laser caused by the first resonator when by the doping gain media of the second resonator, the second resonance
Chamber doped gain fiber forms impulse modulation because saturated absorption first wave length laser is bleached, to the laser of the first resonator, this
When the first resonator laser develop into pulse laser.First wave length 1035nm laser pumped by pulsed laser caused by first resonator
Two resonator doped gain fibers, the output of second wave length 1064nm pulse lasers is formed in the second resonator, now second is humorous
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 more 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, lift 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 unidirectional pumping in the present embodiment, and the position of pump combiner is between mould field adaptation in accompanying drawing 1
(MFA) 30 and first between resonator doped gain fiber 10, but can also be located 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；It is or humorous provided with another or multiple pumping sources and pump combiner, multiple pumping sources and pump combiner composition first
The two directional pump or concatenation pumping, the pump wavelength and power of multiple pumping sources for chamber doped gain fiber of shaking 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 more 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 form 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 forms 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 utility model is based on two-chamber coupling principle, and integrated all -fiber is realized by way of with inside-pumping and is passively adjusted
Q pulse optical fibers, the Absorber Bandwidth and transmitted bandwidth and the two that doped gain fiber is wider are made full use of in the presence of suitable
Big juxtaposition range characteristics, have rationally designed the service band of resonator, laser emission are realized in doped gain fiber
Gain and saturated absorption dual-use function, using the resonator of radiation laser pumping second of the first resonator, it is real to pass through coupler
The passive Q regulation pulse optical fiber laser of all -fiber integration is showed.The second resonator doped gain fiber and the are also utilized simultaneously
The difference of one resonator doped gain fiber fibre core core diameter, the energy for improving laser in the second resonator doped gain fiber are close
Degree, improve the bleaching switching capability of passive saturated absorbing body.The utility model pulse optical fiber is compact-sized, performance is steady
It is fixed, it is truly realized the all-fiber of pulse optical fiber.
Above example is that referring to the drawings, preferred embodiment of the present utility model is described in detail.The skill of this area
Art personnel are by carrying out modification or change on various forms to above-described embodiment, but without departing substantially from substantive feelings of the present utility model
Under condition, all fall within the scope of protection of the utility model.
Claims (10)
- A kind of 1. 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, described in the other end connection of the second resonator doped gain fiber Second the first speculum of resonator, other end connection first resonator first of the speculum of the second resonator first are 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 form the first resonator；Pump light caused by pumping source is coupled into the first resonator via pump combiner, and gain light is adulterated in the first resonator 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；First wave length laser caused by first resonator is when by the second resonator doped gain fiber of the second resonator, and the Two resonator doped gain fibers are because saturated absorption first wave length laser is bleached, 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；Caused by first resonator First wave length laser pumped by pulsed laser the second resonator doped gain fiber, second wave length pulse laser is formed 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 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 more 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 are 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 form 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, the second wave length of corresponding second resonator swashs The wavelength of light is 1650nm.
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| CN201720792439.1U CN207038915U (en) | 2017-07-03 | 2017-07-03 | All -fiber passive Q regulation pulse optical fiber laser |
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| CN201720792439.1U CN207038915U (en) | 2017-07-03 | 2017-07-03 | All -fiber passive Q regulation pulse optical fiber laser |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107181159A (en) * | 2017-07-03 | 2017-09-19 | 山东大学 | All -fiber passive Q regulation pulse optical fiber laser |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107181159A (en) * | 2017-07-03 | 2017-09-19 | 山东大学 | All -fiber passive Q regulation pulse optical fiber laser |
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