CN206412627U - Annular resonance intonation Q pulse MOPA optical fiber lasers - Google Patents
Annular resonance intonation Q pulse MOPA optical fiber lasers Download PDFInfo
- Publication number
- CN206412627U CN206412627U CN201720091723.6U CN201720091723U CN206412627U CN 206412627 U CN206412627 U CN 206412627U CN 201720091723 U CN201720091723 U CN 201720091723U CN 206412627 U CN206412627 U CN 206412627U
- Authority
- CN
- China
- Prior art keywords
- fiber
- pulse
- sound
- optic modulator
- amplifier
- 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 discloses a kind of annular resonance intonation Q pulse MOPA optical fiber lasers, using the Q-switched pulse laser of ring resonator structure as the seed light of amplifier, it can effectively suppress nonlinear effect in amplification light path and produce.Annular resonance intracavitary produces wide laser pulse using an acousto-optic modulator, increase an acousto-optic modulator in ring resonator output end, regulate and control the time delay of second sound-optic modulator by delay circuit, slicing is cut to the laser pulse of output, narrow spaces laser can be obtained.Using the time delay of two acousto-optic modulators of programme-control, the pulse laser output of pulse width continuously adjustabe can be obtained.Pulsed optical signals after acousto-optic modulator adjusting pulsewidth effectively amplify through fiber amplifier, so as to obtain high power laser light output.
Description
Technical field
The utility model is related to field of laser device technology, is specifically related to a kind of annular resonance intonation Q pulse MOPA light
Fibre laser.
Background technology
High power pulse optical fiber laser, which is mainly, carries out the pulsed optical signals of low-power follow-up luminous power amplification.Light
Fibre laser uses Single-Mode Fiber Coupling semiconductor laser as fiber amplifier seed source, and its output light is used as amplifier
Seed light, laser uses primary oscillator section to obtain high-peak power and narrow spaces laser pulse.Due to single-mode fiber coupling
The seed luminous power for closing semiconductor laser output is low, and single pulse energy is small, at least needs two grades or more than two grades multistage amplifications
High-output power could be obtained；Spontaneous emission light and nonlinear optical interference are excited simultaneously because existing in amplification light path, be have impact on
The efficiency and performance of laser, and seed source is expensive, and production cost is high.
The content of the invention
The problem of existing for current Q-switched laser, the utility model provides a kind of annular resonance intonation Q pulse MOPA
Optical fiber laser, is effectively amplified through fiber amplifier, can obtained again by the pulsed optical signals after alliteration optical modulator adjusting pulsewidth
High power laser light output is obtained, and laser pulse width is adjustable, laser structure is simple, and production cost is relatively low.
What the technical solution of the utility model was realized in：
A kind of annular resonance intonation Q pulse MOPA optical fiber lasers, including shaken for the master for generating seed pulse laser
Swing device part and the fiber amplifier part for exported after power amplification the seed pulse laser, the main oscillations
Device part includes pumping source, optical-fiber bundling device, gain medium, first sound-optic modulator AOM, second sound-optic modulator AOM
And the fiber coupler between first sound-optic modulator AOM and second sound-optic modulator AOM；The fiber amplifier part
For first stage amplifier or casacade multi-amplifier, every grade of amplifier includes amplifier pumping source group, amplifier optical fiber bundling device and amplification
Connected between device gain medium, the adjacent amplifier of casacade multi-amplifier by fibre optic isolater, and outermost first stage amplifier
Connect a fibre optic isolater；The optical-fiber bundling device, gain medium, first sound-optic modulator and common group of fiber coupler
Resonator is circularized, wherein, an output end of the fiber coupler is connected with the second sound-optic modulator AOM, another defeated
Go out and terminate into ring resonator, be connected with optical-fiber bundling device signal input part；Also include control circuit part, the control circuit
Part includes connection pumping source and drives the luminous pumping source driving circuit of pumping source, modulates opening for first sound-optic modulator AOM
The first sound-optic modulator drive circuit of closed state and switching frequency, modulation second sound-optic modulator AOM open and-shut mode and open
Close the second sound-optic modulator drive circuit of frequency, control first sound-optic modulator drive circuit and second sound-optic modulator respectively
Drive circuit, so as to modulate the delay circuit of the time delay between first sound-optic modulator and second sound-optic modulator, connection
The luminous amplifier pumping source driving circuit of amplifier pumping source group and driving amplifier pumping source group, the pumping is controlled respectively
The control circuit of source driving circuit, delay circuit and amplifier pumping source driving circuit.
Further, provided with fibre optic isolater, the fibre optic isolater is located at the gain medium and described first
Between acousto-optic modulator AOM, or between the first sound-optic modulator AOM and the fiber coupler；Or be located at
Between one output end of the fiber coupler and the second sound-optic modulator AOM；Or positioned at the fiber coupler
Between another output end and the optical-fiber bundling device.
Further, the fibre optic isolater is located at annular resonance intracavitary, and an input of the fiber coupler is accessed
Ring resonator, another input is used to monitor the waveform of amplifying stage pulse laser and the monitoring PD of spectrum provided with one.
Further, the input access ring resonator of the fiber coupler, another input is high anti-provided with one
Fiber Bragg Grating FBG or a coated optical fibre or a reflection bandstop filter.
Further, the pump mode of annular resonance intonation Q pulse MOPA optical fiber lasers is forward pumping, reversely
Pumping or two directional pump, when two directional pump works, gain medium two ends pumping source with identical mode of operation or
Different mode of operation, the pumping source at gain medium two ends simultaneously adulterate by pumping doped fiber or the pumping for having delay
Optical fiber.
Further, annular resonance intracavitary is provided with wave filter, and the wave filter is located at the gain medium and institute
State between first sound-optic modulator AOM, or between the first sound-optic modulator AOM and the fiber coupler, or
Person is located between an output end of the fiber coupler and the second sound-optic modulator AOM, or positioned at the optical fiber coupling
Between another output end and the optical-fiber bundling device of clutch.
Further, the wave filter is the wave filter of fixed-bandwidth, or is the wave filter of BREATHABLE BANDWIDTH.
Further, the gain medium is single-mode fiber, doubly clad optical fiber or LMA photonic crystal fibers.
Further, the gain medium is Yb doped fibers, Er doped fibers, Yb, Er co-doped fiber, Tm doping
Optical fiber and Nd doped fibers.
Further, the optical-fiber bundling device is side pump-type optical-fiber bundling device, end pump-type optical-fiber bundling device or wavelength-division multiplex
Device WDM.
The beneficial effects of the utility model are：The utility model provides a kind of Q impulse MOPA of ring resonator structure
Laser, the characteristics of ring resonator has wide range output is used as amplification using the Q-switched pulse laser of ring resonator structure
The seed light of device, can effectively suppress nonlinear effect in amplification light path and produce.Annular resonance intracavitary utilizes an acousto-optic modulation
Device produces wide laser pulse, increases an acousto-optic modulator in ring resonator output end, the rising tone is regulated and controled by delay circuit
The time delay of optical modulator, slicing is cut to the laser pulse of output, narrow spaces laser can be obtained.Utilize programme-control two
The time delay of acousto-optic modulator, the pulse laser output of pulse width continuously adjustabe can be obtained.Adjusted by acousto-optic modulator
Pulsed optical signals after pulsewidth effectively amplify through fiber amplifier, so as to obtain high power laser light output.
Brief description of the drawings
Fig. 1 is the structural representation of the annular resonance intonation Q of the utility model embodiment 1 pulse MOPA optical fiber lasers；
Fig. 2 is the structural representation of the annular resonance intonation Q of the utility model embodiment 2 pulse MOPA optical fiber lasers；
Fig. 3 is the structural representation of the annular resonance intonation Q of the utility model embodiment 3 pulse MOPA optical fiber lasers.
Fig. 4 is the structural representation of the annular resonance intonation Q of the utility model embodiment 4 pulse MOPA optical fiber lasers.
Fig. 5 is the structural representation of the annular resonance intonation Q of the utility model embodiment 5 pulse MOPA optical fiber lasers.
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 and be best understood from content of the present utility model and unrestricted protection domain of the present utility model.
Embodiment 1
The structural representation of embodiment 1 is as shown in figure 1, a kind of annular resonance intonation Q pulse MOPA optical fiber lasers
100, including for generating the primary oscillator section of seed pulse laser and for seed pulse laser progress power to be put
The fiber amplifier part of output after big, the primary oscillator section includes pumping source 12, optical-fiber bundling device 13, laser gain and is situated between
Matter 14, first sound-optic modulator AOM 17, second sound-optic modulator AOM 21 and positioned at first sound-optic modulator AOM and the rising tone
(wherein 191,192 be two inputs of fiber coupler, 193,194 respectively to fiber coupler 19 between optical modulator AOM
Respectively two output ends of coupler, wherein 192 end end faces are handled by special optical, such as sharping or cut flat with angle or
Person's end face coating, or point high index of refraction glue allow light to leak)；The fiber amplifier part is first stage amplifier or multistage amplification
Device, every grade of amplifier 23 includes amplifier pumping source group 231, amplifier optical fiber bundling device 232 and amplifier laser gain media
233；Connected between the adjacent amplifier of casacade multi-amplifier by fibre optic isolater, and outermost first stage amplifier connect an optical fiber every
From device；The optical-fiber bundling device, gain medium, first sound-optic modulator and fiber coupler collectively constitute annular resonance
Chamber, wherein, an output end 193 of the fiber coupler is connected with the second sound-optic modulator AOM, another output end 194
Ring resonator is accessed, is connected with optical-fiber bundling device signal input part；Also include control circuit part, the control circuit part
Including connection pumping source and drive the luminous pumping source driving circuit 11 of pumping source, modulation first sound-optic modulator AOM opening and closing
The first sound-optic modulator drive circuit 16 of state and switching frequency, modulation second sound-optic modulator AOM open and-shut mode and open
Close the second sound-optic modulator drive circuit 20 of frequency, control first sound-optic modulator drive circuit and the second acousto-optic modulation respectively
Device drive circuit, thus modulate the delay circuit 15 of the time delay between first sound-optic modulator and second sound-optic modulator,
Connect the amplifier pumping source group amplifier pumping source driving circuit 22 that simultaneously driving amplifier pumping source group lights, control institute respectively
State the control circuit 10 of pumping source driving circuit, delay circuit and amplifier pumping source driving circuit.So, using annular resonance
The Q-switched pulse laser of cavity configuration can effectively suppress nonlinear effect in amplification light path and produce as the seed light of amplifier.
Annular resonance intracavitary produces wide laser pulse using an acousto-optic modulator, and increasing an acousto-optic in ring resonator output end adjusts
Device processed, the time delay of second sound-optic modulator is regulated and controled by delay circuit, is cut slicing to the laser pulse of output, can be obtained
Narrow spaces laser.Using the time delay of two acousto-optic modulators of programme-control, the pulse of pulse width continuously adjustabe can be obtained
Laser is exported.Pulsed optical signals after acousto-optic modulator adjusting pulsewidth effectively amplify through fiber amplifier, so as to obtain height
Power laser is exported.
It is preferred that, provided with fibre optic isolater, the fibre optic isolater is located at the gain medium and first sound
Between optical modulator AOM, or between the first sound-optic modulator AOM and the fiber coupler；Or positioned at institute
State between an output end of fiber coupler and the second sound-optic modulator AOM；Or positioned at the another of the fiber coupler
Between one output end and the optical-fiber bundling device.Fibre optic isolater can ensure annular resonance intracavitary when being located at annular resonance intracavitary
Laser generation direction is one direction.
It is preferred that, when fibre optic isolater is located at outside ring resonator, obtained narrow spaces laser is defeated by fibre optic isolater
Go out, can effectively prevent the influence of reflected light.
It is preferred that, delay circuit is programmable delay circuit, so, and pulse width can accurately be controlled by program.
The working method of the pulse MOPA optical fiber lasers of annular resonance intonation Q described in embodiment 1 is：
The working method of the pulse MOPA optical fiber lasers of annular resonance intonation Q described in case study on implementation 1 is：
Pumping source is a kind of fiber coupled laser diode, is that gain medium (doped fiber) provides energy.Control
Circuit 10 processed controls pumping source driving circuit, delay circuit and amplifier pumping source driving circuit respectively.Pumping source driving electricity
Road connects pumping source, and driving pumping source lights；Programmable delay circuit is carried out the TTL signal for controlling circuit to send by chip
Delay process, sends two TTL signals with delay, controls first sound-optic modulator drive circuit and the second acousto-optic to adjust respectively
Device drive circuit processed, so as to modulate the time delay between first sound-optic modulator and second sound-optic modulator, acousto-optic modulator
The open and-shut mode of drive circuit modulation acousto-optic modulator (Q-switch) and the frequency of switch.Optical-fiber bundling device, doped fiber,
One acousto-optic modulator, fibre optic isolater and fiber coupler collectively constitute ring resonator, constitute circular chamber regulating Q optical fiber and swash
Light device, the laser together constitutes the master oscillator of Q adjusting optical fiber laser with second sound-optic modulator, and fibre optic isolater ensures
The laser generation direction of annular resonance intracavitary is one direction.What the light that pumping source is sent was adulterated after doped fiber in optical fiber
Active ions absorb, and form population inversion.When Q-switch is closed, the oscillation threshold of laser is very high, can not be produced in resonator
Raw laser generation；When Q-switch is opened, laser generation is set up rapidly, and a laser part for generation passes through fiber coupler one
Output end 193 is exported, by the signal end of optical-fiber bundling device in ring after another output end 194 of the another part through fiber coupler
Loop laser stimulated oscillation is formed in shape resonator.Export the pulse width and the length of resonator of laser, acoustooptic switch and humorous
Shake chamber loss it is relevant.Pulse width can be up to more than Millisecond in theory, but the pulse width within generally 500ns is enough
Meet practical application in industry requirement.The laser pulse exported relative to master oscillator, delay circuit regulation second sound-optic modulator
The optical switch of driving postpones 1~500ns, and the pulse laser of the output end 193 of fiber coupler one output is adjusted by the second acousto-optic
The modulation clipped wave of device processed, the pulse width exported thereafter can change in 1~500ns, and can programme-control.Obtained narrow spaces
Laser can pass through fibre optic isolater, then effectively be amplified by fiber amplifier, and the pulse laser warp of amplification can be through fibre optic isolater
Output.Fibre optic isolater can effectively prevent the influence of reflected light, the time delay that modulation second sound-optic modulator is opened, can be with
Obtain the laser pulse of distinct pulse widths.
Embodiment 2
The structural representation of embodiment 2 is as shown in Fig. 2 a kind of pulse MOPA optical fiber lasers 200 of circular chamber regulating Q, bag
Include control circuit 10, pumping source driving circuit 11, pumping source 12, optical-fiber bundling device 13, gain medium 14, programmable delay
Circuit 15, first sound-optic modulator drive circuit 16, first sound-optic modulator AOM17, fibre optic isolater 18, fiber coupler 19
(wherein 191,192 be two inputs of fiber coupler respectively, and 193,194 be respectively two outputs of fiber coupler
End), second sound-optic modulator drive circuit 20, second sound-optic modulator AOM21, amplifier pumping source driving circuit 22, optical fiber
(wherein 231 be amplifier pumping source group to amplifier 23, and 232 be amplifier optical fiber bundling device, and 233 be that amplifier laser gain is situated between
Matter), fibre optic isolater 24, monitoring PD 25.
As different from Example 1, embodiment 2 adds a monitoring PD in an input 192 of fiber coupler, uses
In the waveform and spectrum of monitoring amplifying stage pulse laser.
Embodiment 3
The structural representation of embodiment 3 is as shown in figure 3, a kind of pulse MOPA optical fiber lasers 300 of circular chamber regulating Q, bag
Include control circuit 10, pumping source driving circuit 11, pumping source 12, optical-fiber bundling device 13, gain medium 14, programmable delay
Circuit 15, first sound-optic modulator drive circuit 16, first sound-optic modulator AOM 17, fibre optic isolater 18, fiber coupler
19 (wherein 191,192 are two inputs of fiber coupler respectively, and 193,194 be respectively two output ends of coupler),
Second sound-optic modulator drive circuit 20, second sound-optic modulator AOM 21, amplifier pumping source driving circuit 22, fiber amplifier
Device 23 (wherein 231 be amplifier pumping source group, and 232 be amplifier optical fiber bundling device, and 233 be amplifier gain medium), optical fiber
Isolator 24, high anti-Fiber Bragg Grating FBG 26.
As different from Example 1, fibre optic isolater is outside ring resonator in embodiment 3, due to being produced in resonator
Laser generation be two-way, increase by one high anti-Fiber Bragg Grating FBG in the input 192 of fiber coupler one, by optical fiber coupling
The laser reflection that clutch input 192 is exported is returned in ring resonator, finally exports laser by fiber coupler output end 193,
Increase the power output of laser, while high anti-Fiber Bragg Grating FBG has the effect of frequency-selecting.High anti-Fiber Bragg Grating FBG is also
It could alternatively be coated optical fibre or reflection bandstop filter.
Embodiment 4
The structural representation of embodiment 4 is as shown in figure 4, a kind of pulse MOPA optical fiber lasers 400 of circular chamber regulating Q, bag
Control circuit 10, the first pumping source driving circuit 11, the first pumping source 12, the first optical-fiber bundling device 13, the second pumping source is included to drive
Dynamic circuit 27, the second pumping source 28, the second bundling device 29, gain medium 14, delay circuit 15, first sound-optic modulator drive
Dynamic circuit 16, first sound-optic modulator AOM 17, fibre optic isolater 18, (wherein 191,192 be optical fiber respectively to fiber coupler 19
Two inputs of coupler, 193,194 be respectively coupler two output ends), second sound-optic modulator drive circuit 20,
(wherein 231 be amplifier pumping for second sound-optic modulator AOM 21, amplifier pumping source driving circuit 22, fiber amplifier 23
Source group, 232 be amplifier optical fiber bundling device, and 233 be amplifier gain medium), fibre optic isolater 24.
As different from Example 1, embodiment 4 is by the way of two directional pump, and pumping source can be operated in continuous mode
Under, it can also work in the pulsing mode；Two ends pumping source can be with identical mode of operation, can also be with different works
Operation mode works；Two ends pumping source can be while pumping doped fiber, it is possibility to have the pumping doped fiber of delay.
Embodiment 5
The structural representation of embodiment 5 is as shown in figure 5, a kind of pulse MOPA optical fiber lasers 500 of circular chamber regulating Q, bag
Include control circuit 10, pumping source driving circuit 11, pumping source 12, optical-fiber bundling device 13, gain medium 14, programmable delay
Circuit 15, first sound-optic modulator drive circuit 16, first sound-optic modulator AOM 17, fibre optic isolater 18, fiber coupler
19 (wherein 191,192 are two inputs of fiber coupler respectively, and 193,194 be respectively two output ends of coupler),
Second sound-optic modulator drive circuit 20, second sound-optic modulator AOM 21, amplifier pumping source driving circuit 22, fiber amplifier
Device 23 (wherein 231 be amplifier pumping source group, and 232 be amplifier optical fiber bundling device, and 233 be amplifier gain medium), optical fiber
Isolator 24, wave filter 30.
As different from Example 1, a bandpass filter is added in embodiment 5, can be for optimization output pulse
The spectral line width of laser.The wave filter can be the wave filter of fixed-bandwidth, or the wave filter of BREATHABLE BANDWIDTH.Wave filter
Can be located between doped fiber and first sound-optic modulator AOM, may be alternatively located at first sound-optic modulator AOM and fiber coupler it
Between, it may be alternatively located between the output end 193 of fiber coupler and second sound-optic modulator AOM, may be alternatively located at fiber coupler
Between output end 194 and optical-fiber bundling device.
In the various embodiments described above, the wave-length coverage of pumping source can for 808nm, 915nm, 940nm, 980nm etc. or other
The absorbing wavelength of active ions in doped fiber.
In the various embodiments described above, gain medium can be Yb doped fibers, Er doped fibers, Yb/Er co-doped fibers,
Tm doped fibers, rare earth doped single-mode fiber, doubly clad optical fiber or the LMA photonic crystal fibers such as Nd doped fibers.
In the various embodiments described above, pumping source can work in a continuous mode, can also work in the pulsing mode.
In the various embodiments described above, optical-fiber bundling device can be side pump-type (1+1) × 1, the grade optical-fiber bundling device of (2+1) × 1,
Can be end pump-type (3+1) × 1, (6+1) × 1, the grade optical-fiber bundling device of (18+1) × 1, or wavelength division multiplexer WDM.
In the various embodiments described above, second sound-optic modulator is introduced, the second acousto-optic modulation is regulated and controled by programmable delay circuit
Device drives time delay 1-500ns, and most high delay time includes but is not limited to 500ns；Second sound-optic modulator is produced to resonator
Raw pulse laser carries out slicing, and pulsewidth narrows, 1~500ns of pulse width, including but not limited to 500ns.Obtained adjustable arteries and veins
Wide laser is effectively amplified after fibre optic isolater by fiber amplifier, eventually passes fibre optic isolater output.
To sum up, the utility model provides a kind of pulse MOPA optical fiber lasers of circular chamber regulating Q, using ring resonator
The Q-switched pulse laser of structure can effectively suppress nonlinear effect in amplification light path and produce as the seed light of amplifier.Ring
Wide laser pulse is produced using an acousto-optic modulator in shape resonator, an acousto-optic modulation is increased in ring resonator output end
Device, the time delay of second sound-optic modulator is regulated and controled by delay circuit, is cut slicing to the laser pulse of output, can be obtained narrow
Pulse width laser.Using the time delay of two acousto-optic modulators of programme-control, the pulse that can obtain pulse width continuously adjustabe swashs
Light output.Pulsed optical signals after acousto-optic modulator adjusting pulsewidth effectively amplify through fiber amplifier, so as to obtain Gao Gong
Rate laser is exported.
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 protection domain of the present utility model.
Claims (10)
1. a kind of annular resonance intonation Q pulse MOPA optical fiber lasers, it is characterised in that：Including swashing for generating seed pulse
The primary oscillator section of light and the fiber amplifier part for exported after power amplification the seed pulse laser, institute
Primary oscillator section is stated to adjust including pumping source, optical-fiber bundling device, gain medium, first sound-optic modulator AOM, the second acousto-optic
Device AOM processed and the fiber coupler between first sound-optic modulator AOM and second sound-optic modulator AOM；The optical fiber is put
Big device part is first stage amplifier or casacade multi-amplifier, and every grade of amplifier includes amplifier pumping source group, amplifier optical fiber and closes beam
Connected between device and amplifier laser gain media, the adjacent amplifier of casacade multi-amplifier by fibre optic isolater, and outermost one
Level amplifier connects a fibre optic isolater；The optical-fiber bundling device, gain medium, first sound-optic modulator and fiber coupling
Device collectively constitutes ring resonator, wherein, an output end of the fiber coupler connects with the second sound-optic modulator AOM
Connect, another output end accesses ring resonator, is connected with optical-fiber bundling device signal input part；Also include control circuit part, institute
Stating control circuit part includes connection pumping source and drives the luminous pumping source driving circuit of pumping source, the first acousto-optic modulation of modulation
Device AOM open and-shut mode and the first sound-optic modulator drive circuit of switching frequency, modulation second sound-optic modulator AOM opening and closing
The second sound-optic modulator drive circuit of state and switching frequency, respectively control first sound-optic modulator drive circuit and the rising tone
Modulator Driver IC for Lightwave Communication Systems, so as to modulate the deferred telegram of the time delay between first sound-optic modulator and second sound-optic modulator
Road, connection amplifier pumping source group and the luminous amplifier pumping source driving circuit of driving amplifier pumping source group, control respectively
The control circuit of the pumping source driving circuit, delay circuit and amplifier pumping source driving circuit.
2. annular resonance intonation Q according to claim 1 pulse MOPA optical fiber lasers, it is characterised in that：Provided with light
Fiber isolator, the fibre optic isolater is located between the gain medium and the first sound-optic modulator AOM, Huo Zhewei
Between the first sound-optic modulator AOM and the fiber coupler；Or positioned at an output end of the fiber coupler
Between the second sound-optic modulator AOM；Or positioned at another output end and the optical-fiber bundling of the fiber coupler
Between device.
3. annular resonance intonation Q according to claim 2 pulse MOPA optical fiber lasers, it is characterised in that：The light
Fiber isolator is located at annular resonance intracavitary, and the input access ring resonator of the fiber coupler, another input is set
There is one to be used to monitor the waveform of amplifying stage pulse laser and the monitoring PD of spectrum.
4. annular resonance intonation Q according to claim 2 pulse MOPA optical fiber lasers, it is characterised in that：The light
The input access ring resonator of fine coupler, another input is provided with a high anti-Fiber Bragg Grating FBG or a plated film light
A fine or reflection bandstop filter.
5. annular resonance intonation Q according to claim 1 pulse MOPA optical fiber lasers, it is characterised in that：The annular
The pump mode of resonance intonation Q pulse MOPA optical fiber lasers is forward pumping, backward pumping or two directional pump, two-way pump
When Pu works, gain medium two ends pumping source is with identical mode of operation or different mode of operation, laser
The pumping source at gain media two ends pumping doped fiber or has the pumping doped fiber of delay simultaneously.
6. annular resonance intonation Q according to claim 1 pulse MOPA optical fiber lasers, it is characterised in that：Annular is humorous
Intracavitary of shaking is provided with wave filter, and the wave filter is located between the gain medium and the first sound-optic modulator AOM,
Either between the first sound-optic modulator AOM and the fiber coupler or positioned at the one of the fiber coupler
Between output end and the second sound-optic modulator AOM, or positioned at another output end and the light of the fiber coupler
Between fine bundling device.
7. annular resonance intonation Q according to claim 6 pulse MOPA optical fiber lasers, it is characterised in that：The filter
Ripple device is the wave filter of fixed-bandwidth, or is the wave filter of BREATHABLE BANDWIDTH.
8. annular resonance intonation Q according to claim 1 pulse MOPA optical fiber lasers, it is characterised in that：It is described to swash
Optical gain medium is single-mode fiber, doubly clad optical fiber or LMA photonic crystal fibers.
9. annular resonance intonation Q according to claim 1 pulse MOPA optical fiber lasers, it is characterised in that：It is described to swash
Optical gain medium is Yb doped fibers, Er doped fibers, Yb, Er co-doped fiber, Tm doped fibers and Nd doped fibers.
10. annular resonance intonation Q according to claim 1 pulse MOPA optical fiber lasers, it is characterised in that：The light
Fine bundling device is side pump-type optical-fiber bundling device, end pump-type optical-fiber bundling device or wavelength division multiplexer WDM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720091723.6U CN206412627U (en) | 2017-01-22 | 2017-01-22 | Annular resonance intonation Q pulse MOPA optical fiber lasers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720091723.6U CN206412627U (en) | 2017-01-22 | 2017-01-22 | Annular resonance intonation Q pulse MOPA optical fiber lasers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206412627U true CN206412627U (en) | 2017-08-15 |
Family
ID=59555680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720091723.6U Active CN206412627U (en) | 2017-01-22 | 2017-01-22 | Annular resonance intonation Q pulse MOPA optical fiber lasers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206412627U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558828A (en) * | 2017-01-22 | 2017-04-05 | 昆山华辰光电科技有限公司 | The pulse MOPA optical fiber lasers of annular resonance intonation Q |
| CN108226047A (en) * | 2017-12-29 | 2018-06-29 | 山东大学 | Optoacoustic spectroscopy multiple spot gas detecting system based on optical fiber laser annular cavity |
| CN108521067A (en) * | 2018-03-07 | 2018-09-11 | 西安电子科技大学 | A kind of Q-switched laser of adjustable pulse width |
| CN108649415A (en) * | 2018-05-16 | 2018-10-12 | 深圳大学 | A kind of thulium doped optical fiber laser amplifier |
-
2017
- 2017-01-22 CN CN201720091723.6U patent/CN206412627U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558828A (en) * | 2017-01-22 | 2017-04-05 | 昆山华辰光电科技有限公司 | The pulse MOPA optical fiber lasers of annular resonance intonation Q |
| CN108226047A (en) * | 2017-12-29 | 2018-06-29 | 山东大学 | Optoacoustic spectroscopy multiple spot gas detecting system based on optical fiber laser annular cavity |
| CN108521067A (en) * | 2018-03-07 | 2018-09-11 | 西安电子科技大学 | A kind of Q-switched laser of adjustable pulse width |
| CN108521067B (en) * | 2018-03-07 | 2019-10-18 | 西安电子科技大学 | A kind of Q-switched laser of adjustable pulse width |
| CN108649415A (en) * | 2018-05-16 | 2018-10-12 | 深圳大学 | A kind of thulium doped optical fiber laser amplifier |
| CN108649415B (en) * | 2018-05-16 | 2020-04-03 | 深圳大学 | Thulium-doped optical fiber laser amplifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI413322B (en) | Method and system for tunable pulsed laser source | |
| CN206412627U (en) | Annular resonance intonation Q pulse MOPA optical fiber lasers | |
| CN105428975B (en) | High power femto second optical fiber laser | |
| US8593725B2 (en) | Pulsed optical source | |
| US7885298B2 (en) | Method and apparatus for producing arbitrary pulsetrains from a harmonic fiber laser | |
| CN106716749B (en) | Passive modelocked fiber ring generators | |
| CN107069410B (en) | A kind of multipurpose bidirectional passive mode-locking full optical fiber laser system | |
| US7796654B2 (en) | Seed source for high power optical fiber amplifier | |
| CA2531353A1 (en) | Pulsed laser light source | |
| CN109346911A (en) | A kind of tens of megahertzs of Gao Zhongying nanoseconds full optical fiber laser amplifier | |
| CN104466636A (en) | Single-frequency Q-switched pulsed fiber laser | |
| KR19980022444A (en) | Passive Mode Locking Fiber Laser Structure | |
| EP3714518B1 (en) | Apparatus for providing optical radiation | |
| CN102637990A (en) | Optical fiber amplifying system and optical fiber amplifying method | |
| JP2816303B2 (en) | Optical waveguide laser device | |
| CN103001118A (en) | Gain narrowing controlled all-fiber laser amplifier for high-power picosecond pulses | |
| CN205248608U (en) | High power flies a second fiber laser | |
| CN103545703A (en) | Light-operated triggering laser device | |
| CN206412629U (en) | The MOPA optical fiber lasers of adjustable pulse width | |
| CN103337779A (en) | Optical-pumping intermediate infrared gas laser device | |
| CN103490272A (en) | 2um single frequency pulse fiber laser adjustable in amplitude modulation frequency | |
| CN103904534B (en) | All -fiber actively Qswitched laser based on saturable absorption optical fiber | |
| CN106785875A (en) | The MOPA optical fiber lasers of adjustable pulse width | |
| CN105356207A (en) | Pulse output optical fiber Raman random laser based on polarization modulation | |
| CN206412626U (en) | Variable impulse width Q adjusting optical fiber laser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |