CN209461794U - A kind of picosecond seed source laser - Google Patents
A kind of picosecond seed source laser Download PDFInfo
- Publication number
- CN209461794U CN209461794U CN201920178647.1U CN201920178647U CN209461794U CN 209461794 U CN209461794 U CN 209461794U CN 201920178647 U CN201920178647 U CN 201920178647U CN 209461794 U CN209461794 U CN 209461794U
- Authority
- CN
- China
- Prior art keywords
- saturable absorber
- picosecond
- seed source
- laser
- output
- 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.)
- Active
Links
Landscapes
- Lasers (AREA)
Abstract
The utility model embodiment provides a kind of picosecond seed source laser, comprising: sequentially connected saturable absorber integrated morphology, wavelength division multiplexer, gain fibre, beam splitter and high reflective grid；One end of gain fibre and the signal output leg of wavelength division multiplexer connect, and the input terminal of the other end and beam splitter connects；The central point of the output port of saturable absorber integrated morphology and high reflective grid point-blank, to constitute linear resonance cavity configuration；Wavelength division multiplexer imports pump light in linear resonant cavity structure, to generate picosecond pulse laser as gain driver in linear cavity resonator structure；Beam splitter is exported picosecond pulse laser by preset ratio.The utility model embodiment forms resonant cavity by saturable absorber integrated morphology and high reflective grid, so that the pump light excitation gain medium in introduction chamber forms stimulated radiation, and passive mode-locking is carried out using saturable absorber integrated morphology, laser structure is simplified, the stability in pulse seed source is improved.
Description
Technical field
The utility model embodiment is related to laser technology field, more particularly to a kind of picosecond seed source laser.
Background technique
Optical fiber laser is with stability is good, at low cost, easy to operate, simple and compact for structure, coupling efficiency is high, thermal diffusivity
Good, high conversion efficiency, threshold value be low, good beam quality and the advantages that narrow linewidth.Since these advantage optical fiber lasers appear in respectively
In application field, such as microfabrication, laser marking, Military Application, medical treatment field.And it is obtained using rare earth doped fiber mode locking
Ultrashort pulse laser, it is fast in fiber optic communication, ultrafast laser, Fibre Optical Sensor, optical information processing, laser guidance, inertial confinement
Igniting, total colouring and laser printing have important application.
In the prior art, common mode-locking technique includes: active mode locking, passive mode-locking and self-locking mode in laser.Wherein,
Passive mode-locking is common mode-locking technique.Passive mode-locking includes nonlinear polarization evolution mode locking (NPE) and saturable absorber lock
Mould, the picosecond pulse laser that both modes are realized have industrialization.But NPE structure includes space structure, and structure is complicated, surely
Qualitative difference.
Therefore, one kind picosecond seed source laser is needed now to solve the above problems.
Utility model content
To solve the above-mentioned problems, the utility model embodiment provides one kind and overcomes the above problem or at least partly solve
A kind of certainly picosecond seed source laser of the above problem.
First aspect the utility model embodiment provides a kind of picosecond seed source laser, comprising:
Sequentially connected saturable absorber integrated morphology, wavelength division multiplexer, gain fibre, beam splitter and high reflective grid；
One end of the gain fibre is connect with the signal output leg of the wavelength division multiplexer, the other end and the beam splitter
Input terminal connection；
The central point of the output port of the saturable absorber integrated morphology and the reflective grid of height point-blank,
To constitute linear resonance cavity configuration；
The wavelength division multiplexer imports pump light in the linear resonance cavity configuration, in the linear resonance cavity configuration
It is middle that gain driver is used as to generate picosecond pulse laser；
The beam splitter is exported the picosecond pulse laser by preset ratio.
Wherein, the saturable absorber integrated morphology includes:
Saturable absorber, flange and more wire jumpers；
The first end of the wire jumper connects the output port of the saturable absorber integrated morphology；
The saturable absorber sticks in the end face of the first end of wire jumper, and passes through the flange and wherein a wire jumper
It is fixed, so that the light of wire jumper output vertically injects the end face center of the saturable absorber.
Wherein, the output port of the saturable absorber integrated morphology passes through the signal of tail optical fiber and the wavelength division multiplexer
Input leg connection.
Wherein, the saturable absorber includes:
SESAM saturable absorber, graphene saturable absorber or black phosphorus saturable absorber.
Wherein, described picosecond of seed source laser further include:
Pumping source, the tail optical fiber of the pumping source are connect with the pumping leg of the wavelength division multiplexer.
Wherein, described picosecond of seed source laser further include:
Outlet terminal, the outlet terminal are connect with the first output leg of the beam splitter.
Wherein, the output form of the outlet terminal includes:
Naked fibre output, wire jumper output and collimation output.
Wherein, the second output leg of the beam splitter is connect with the tail optical fiber of the reflective grid of height.
Wherein, the splitting ratio of the beam splitter is 3:7.
One kind picosecond seed source laser provided by the embodiment of the utility model, by saturable absorber integrated morphology and
High reflective grid form resonant cavity, so that the pump light excitation gain medium in introduction chamber forms stimulated radiation, and utilize saturable
Absorber integrated morphology carries out passive mode-locking, simplifies laser structure, improves the stability in pulse seed source.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of picosecond seed source laser structural schematic diagram provided by the embodiment of the utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, is explicitly described the technical scheme in the embodiment of the utility model, it is clear that described reality
Applying example is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ability
It is practical new to belong to this for domain those of ordinary skill every other embodiment obtained without making creative work
The range of type protection.
Fig. 1 is a kind of picosecond seed source laser structural schematic diagram provided by the embodiment of the utility model, as shown in Figure 1,
Include:
Sequentially connected saturable absorber integrated morphology 1, wavelength division multiplexer 2, gain fibre 6, beam splitter 3 and Gao Fanguang
Grid 4；
One end of the gain fibre 6 is connect with the signal output leg of the wavelength division multiplexer 2, the other end and the beam splitting
The input terminal of device 3 connects；
The central point of the output port of the saturable absorber integrated morphology 1 and the reflective grid 4 of the height is in straight line
On, to constitute linear resonance cavity configuration；
The wavelength division multiplexer 2 imports pump light in the linear resonance cavity configuration, in the linear resonant cavity knot
Picosecond pulse laser is generated as gain driver in structure；
The beam splitter 3 is exported the picosecond pulse laser by preset ratio.
It should be noted that existing seed source laser structure due to use spatial compounding structure, thus by it is extraneous because
Element is affected, so that stability is poor, maintenance cost is higher.The utility model embodiment on this basis, provides one kind
Picosecond seed source laser, structure is simple, stability is high.
Specifically, in provided by the embodiment of the utility model picosecond of seed source laser, saturable absorber integrated morphology 1
It is placed with high reflective 4 face of grid, the center of the output port of saturable absorber integrated morphology 1 and high reflective grid 4 is in one
On straight line, so that one linear resonance cavity configuration of saturable absorber integrated morphology 1 and the high reflective composition of grid 4 is used, so that
The pump light for importing inlet wire cavity resonator structure can carry out laser generation back and forth in linear cavity resonator structure, form picosecond arteries and veins
Impulse light.It is understood that saturable absorber integrated morphology 1 is set in laser and is able to carry out passive mode-locking, then
The linear resonance cavity configuration of formation, which enables to be formed by the pump light excitation gain medium in 2 introduction chamber of wavelength division multiplexer, is excited
Radiation, so that picosecond pulse laser is generated in linear cavity resonator structure, it finally will according to certain beam splitting ratio by beam splitter 3
Picosecond pulse laser is exported by preset ratio.It is understood that the laser projection generated in linear resonance cavity configuration is to can satisfy
When with absorbing in integrated morphology, according to the characteristic of saturable absorption integrated morphology, intense part absorptivity is small, the light reflected back
By force, light weak part absorptivity is big, and the light reflected back is weak, i.e. pulse laser two sides constantly narrow, to obtain pulse laser.
It needs to form amplification laser by gain media in the utility model embodiment, in the utility model embodiment
In, the preferred form using gain fibre 6 carries out gain, as shown in Figure 1, the input terminal and wavelength-division multiplex of gain fibre 6
The signal output leg of device 2 connects, and the output end of gain fibre 6 is connect with the input terminal of beam splitter 3, thus by the pump in introduction chamber
Light stimulus gain media in Pu forms population inversion to amplify laser.
Preferably, the picosecond pulse laser pulse width that the utility model embodiment generates is less than 10 picoseconds.
One kind picosecond seed source laser provided by the embodiment of the utility model, by saturable absorber integrated morphology and
High reflective grid form resonant cavity, so that the pump light excitation gain medium in introduction chamber forms stimulated radiation, and utilize saturable
Absorber integrated morphology carries out passive mode-locking, simplifies laser structure, improves the stability in pulse seed source.
On the basis of the above embodiments, the saturable absorber integrated morphology includes:
Saturable absorber, flange and more wire jumpers；
The first end of the wire jumper connects the output port of the saturable absorber integrated morphology；
The saturable absorber sticks in the end face of the first end of wire jumper, and passes through the flange and wherein a wire jumper
It is fixed, so that the light of wire jumper output vertically injects the end face center of the saturable absorber.
By the content of above-described embodiment it is found that the utility model embodiment provides a saturable absorber integrated morphology
Passive mode-locking is carried out, specifically, saturable absorber integrated mechanism provided by the embodiment of the utility model includes that saturable is inhaled
Acceptor, flange and more wire jumpers, saturable absorber stick in the end face of wire jumper first end ceramics, then by flange and separately
Saturable absorber is fixed and is encapsulated by a piece wire jumper, and is made in practical optical path, and the light of wire jumper output must vertically be got to
The end face center of SESAM saturable absorber.
Further, the output port of the first end connection saturable absorber integrated morphology of wire jumper, so that wire jumper is defeated
Light out is transferred to outside saturable absorber integrated morphology by output port.
It is understood that saturable absorber is sticked in wire jumper port by the utility model embodiment, sky can be avoided
Between optical path design, stability is higher, also more easy to maintain, and maintenance cost is low.Also, the saturable absorber used is pasted
Structure in wire jumper port can be further simplified laser structure convenient for all -fiber welding in pulse seed source.
On the basis of the above embodiments, the output port of the saturable absorber integrated morphology by tail optical fiber with it is described
The signal input leg connection of wavelength division multiplexer.
As shown in Figure 1, saturable absorber integrated morphology 1, wavelength division multiplexer 2, beam splitter 3 and high reflective grid 4 successively connect
It connects and constitutes picosecond seed source laser, by the tail optical fiber of the output port setting in saturable absorber integrated morphology, can satisfy
It is attached with absorber integrated morphology 1 and the signal input leg of wavelength division multiplexer 2, forms complete optical path.
On the basis of the above embodiments, the saturable absorber includes:
SESAM saturable absorber, graphene saturable absorber or black phosphorus saturable absorber.
By the content of above-described embodiment it is found that the utility model embodiment has used saturable absorber to carry out passive locks
Mould.Specifically, the utility model embodiment can use SESAM saturable absorber, graphene saturable absorber or black phosphorus
Three kinds of materials of saturable absorber, can be selected accordingly according to the actual situation.It should be noted that since SESAM can
Saturated absorbing body has developed into ripe and industrialization at present, therefore SESAM saturable absorber is mostly used in actual production.
On the basis of the above embodiments, described picosecond of seed source laser further include:
Pumping source 5, the tail optical fiber of the pumping source 5 are connect with the pumping leg of the wavelength division multiplexer 2.
By the content of above-described embodiment it is found that wavelength division multiplexer provided by the embodiment of the utility model 2 is needed pump light
Linear cavity resonator structure is imported, then preferably, the utility model embodiment provides pump light using pumping source 5, such as Fig. 1 institute
Show, the tail optical fiber of pumping source 5 is connect with the pumping leg of wavelength division multiplexer 2.
Preferably, semiconductor pump laser can be used in pumping source 5.The pump light that pumping source 5 emits passes through wavelength-division multiplex
It is intracavitary that device 2 enters linear resonance.Pump light excitation gain medium into resonance forms stimulated radiation.The laser of intracavitary generation
When projecting on saturable absorber, according to the characteristic of saturable absorber, intense part absorptivity is small, the light reflected back
By force, light weak part absorptivity is big, and the light reflected back is weak, i.e. pulse laser two sides constantly narrow, to obtain pulse laser.
On the basis of the above embodiments, described picosecond of seed source laser further include:
Outlet terminal, the outlet terminal are connect with the first output leg of the beam splitter.
By the content of above-described embodiment it is found that provided by the embodiment of the utility model picosecond of seed source laser can be by pre-
If ratio exports picosecond pulse laser, derived picosecond pulse laser needs are exported by certain mode, this is practical new
Type embodiment is preferably disposed with outlet terminal 7 and carries out laser output, as shown in Figure 1, outlet terminal 7 and the beam splitter 3
First output leg connection, so that fraction of laser light derived from beam splitter 3 be exported.
On the basis of the above embodiments, the output form of the outlet terminal includes:
Naked fibre output, wire jumper output and collimation output.
Preferably, the utility model embodiment provides a variety of output forms, including naked fibre output, wire jumper output and standard
Straight output, naked fibre output refer to that direct optical fiber output, output form are divergent shape, and wire jumper output refers in the form of optical patchcord
Laser is exported, collimation output refers to the laser form by collimation output device output collimation.
On the basis of the above embodiments, the second output leg of the beam splitter is connect with the tail optical fiber of the reflective grid of height.
As shown in Figure 1, saturable absorber integrated morphology 1, wavelength division multiplexer 2, beam splitter 3 and high reflective grid 4 successively connect
It connects and constitutes picosecond seed source laser, when the first output leg of beam splitter 3 connects outlet terminal 7, the second output of beam splitter 3
Leg is connect with the tail optical fiber of the reflective grid 4 of the height.
On the basis of the above embodiments, the splitting ratio of the beam splitter is 3:7.
Preferably, the splitting ratio of beam splitter provided by the embodiment of the utility model is 3:7, by the output end of beam splitter 30%
Mouth is connect with outlet terminal, and 70% output port is connect with high reflective grid, to form picosecond second punching output of firm power.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (9)
1. a kind of picosecond seed source laser characterized by comprising
Sequentially connected saturable absorber integrated morphology, wavelength division multiplexer, gain fibre, beam splitter and high reflective grid；
One end of the gain fibre is connect with the signal output leg of the wavelength division multiplexer, and the other end is defeated with the beam splitter
Enter end connection；
The central point of the output port of the saturable absorber integrated morphology and the reflective grid of height point-blank, with structure
Linear cavity resonator structure；
The wavelength division multiplexer imports pump light in the linear resonance cavity configuration, to make in the linear resonance cavity configuration
Picosecond pulse laser is generated for gain driver；
The beam splitter is exported the picosecond pulse laser by preset ratio.
2. according to claim 1 picosecond of seed source laser, which is characterized in that the saturable absorber integrated morphology
Include:
Saturable absorber, flange and more wire jumpers；
The first end of the wire jumper connects the output port of the saturable absorber integrated morphology；The saturable absorber is glutinous
It is affixed on the end face of the first end of wire jumper, and by the flange and wherein a wire jumper is fixed, so that the light of wire jumper output
Vertically inject the end face center of the saturable absorber.
3. according to claim 2 picosecond of seed source laser, which is characterized in that the saturable absorber integrated morphology
Output port connect by the signal input leg of tail optical fiber and the wavelength division multiplexer.
4. according to claim 2 picosecond of seed source laser, which is characterized in that the saturable absorber includes:
SESAM saturable absorber, graphene saturable absorber or black phosphorus saturable absorber.
5. according to claim 1 picosecond of seed source laser, which is characterized in that described picosecond of seed source laser is also wrapped
It includes:
Pumping source, the tail optical fiber of the pumping source are connect with the pumping leg of the wavelength division multiplexer.
6. according to claim 1 picosecond of seed source laser, which is characterized in that described picosecond of seed source laser is also wrapped
It includes:
Outlet terminal, the outlet terminal are connect with the first output leg of the beam splitter.
7. according to claim 6 picosecond of seed source laser, which is characterized in that the output form packet of the outlet terminal
It includes:
Naked fibre output, wire jumper output and collimation output.
8. according to claim 6 picosecond of seed source laser, which is characterized in that the second output leg of the beam splitter with
The tail optical fiber of the reflective grid of height connects.
9. according to claim 8 picosecond of seed source laser, which is characterized in that the splitting ratio of the beam splitter is 3:7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920178647.1U CN209461794U (en) | 2019-01-31 | 2019-01-31 | A kind of picosecond seed source laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920178647.1U CN209461794U (en) | 2019-01-31 | 2019-01-31 | A kind of picosecond seed source laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209461794U true CN209461794U (en) | 2019-10-01 |
Family
ID=68046475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920178647.1U Active CN209461794U (en) | 2019-01-31 | 2019-01-31 | A kind of picosecond seed source laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209461794U (en) |
-
2019
- 2019-01-31 CN CN201920178647.1U patent/CN209461794U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106299987B (en) | A kind of dual wavelength lock-out pulse optical fiber laser based on rare earth ion co-doped fiber | |
| US6034975A (en) | High power, passively modelocked fiber laser, and method of construction | |
| CN105826801B (en) | A kind of dual-wavelength tunable Ultra-short Fiber Laser | |
| US20070216993A1 (en) | Optical Fiber Laser Using Rare Earth-Added Fiber And Wide Band Light Source | |
| CN208093940U (en) | A kind of big energy optical fiber amplifier of the high power that repetition is tunable | |
| CN103414093A (en) | All-fiber pulsed laser | |
| CN108011288A (en) | Dispersion management type femtosecond mode locking pulse optical fiber laser based on single-walled carbon nanotube | |
| CN107370012A (en) | Two-dimension nano materials mode-locked all-fiber laser with end face reflection structure | |
| CN109904715A (en) | A kind of 1064nm self-locking mode polarization-maintaining ytterbium-doping optical fiber laser of low repetition | |
| CN104409952A (en) | Double-cladding thulium-doped all-fiber ultrafast laser based on nonlinear polarization rotation mode locking | |
| CN109273974A (en) | A kind of adjustable high power ultrashort pulse fiber laser of width repetition | |
| CN207719582U (en) | Narrow linewidth MOPA fiber amplifiers | |
| CN103022861B (en) | All-positive dispersion dissipative nanosecond pulse shapeable passive mode-locked fiber laser system | |
| CN208001073U (en) | A kind of laser of all optical fibre structure tunable wave length | |
| JP6026885B2 (en) | Light source for mounting doped fiber, fiber for the light source, and method for manufacturing the fiber | |
| CN109149336A (en) | Passive Q-adjusted mode-locked laser based on SBS and fabry perot interferometer | |
| US5056096A (en) | Hybrid doped fiber-semiconductor amplifier ring laser source | |
| CN209461794U (en) | A kind of picosecond seed source laser | |
| CN205960418U (en) | Passive mode locking er -doped fiber laser | |
| CN109638627A (en) | A kind of picosecond seed source laser | |
| CN209344510U (en) | High repetition frequency passive mode-locking fiber laser | |
| CN109560453B (en) | Passive Q-switched mode-locked ring laser based on SBS and Fabry-Perot interferometer | |
| CN109946788B (en) | Reconfigurable liquid core optical fiber and preparation method thereof, laser and preparation method thereof | |
| CN211981129U (en) | Multi-wavelength pulse fiber laser | |
| CN212485782U (en) | 2-micrometer random fiber laser based on random phase shift fiber grating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |