CN209150475U - The solid laser amplifier of one micron waveband - Google Patents
The solid laser amplifier of one micron waveband Download PDFInfo
- Publication number
- CN209150475U CN209150475U CN201821456911.5U CN201821456911U CN209150475U CN 209150475 U CN209150475 U CN 209150475U CN 201821456911 U CN201821456911 U CN 201821456911U CN 209150475 U CN209150475 U CN 209150475U
- Authority
- CN
- China
- Prior art keywords
- laser
- solid
- pump source
- optical fiber
- solid state
- 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 provides a kind of solid laser amplifier of a micron waveband, comprising: high brightness pump source system and Solid State Laser amplification system；The Solid State Laser amplification system uses the output light of high brightness pump source system as pump light；The high brightness pump source system includes the optical fiber laser that at least one specific wavelength exports and light source couples can be made to enter the condenser lens of the Solid State Laser amplification system, and the output power of the optical fiber laser is not less than 10W；The Solid State Laser amplification system includes at least one solid state laser gain medium and at least one optical element, the laser beam that the pump light and needs that the optical element is used to go out through high brightness pump source system projects amplify.The solid laser amplifier of the technical program effectively weakens influence of the fuel factor to solid laser amplifier performance while obtaining bigger puise gain.
Description
Technical field
The utility model relates to a kind of solid laser amplifiers, refer in particular to a kind of Solid State Laser amplification of a micron waveband
Device.
Background technique
Similar with solid state laser, solid laser amplifier is using doped rare earth element glass or doped rare earth element crystal
Laser amplifier as gain media.When carrying out pulse amplifying, solid laser amplifier is capable of providing high-gain, to make
The pulse that must amplify has high pulse energy, and solid laser amplifier has a wide range of applications in pulse amplifying field.
In solid laser amplifier, gain that the brightness of pumping source is capable of providing solid laser amplifier and
The pulse energy that pulse can obtain after amplification has conclusive effect.It is now widely used for Solid State Laser amplification
In device is diode-end-pumped source, compared to traditional flash lamp pumping source, diode-end-pumped source output light
The brightness of spot has had promotion, but in order to improve the output couple efficiency of semiconductor laser, this kind of pumping source uses more
Multimode fibre output, so that the promotion for brightness is still limited.It is selected from the brightness of light source, optical fiber laser is conduct
Next option of solid laser amplifier pumping source, when using this higher source luminance of optical fiber laser as pumping source,
Since pump light is strengthened with the overlapping of signal light, higher gain can be obtained in solid laser amplifier, and then make
It obtains the pulse by amplification and has higher pulse energy.It at the same time, can be in solid laser amplifier using low-doped
The longer gain media of concentration, length.So, due to the increase of gain medium volume area ratio, so that heat dissipation becomes to hold
Easily, influence of the fuel factor to laser amplifier performance is thereby reduced.
Therefore, it is necessary to propose a kind of increasing of the solid laser amplifier of one micron waveband of raising when carrying out pulse amplifying
Benefit, heat effect of solid laser is solved while obtaining bigger pulse energy influences big technical problem.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of solid laser amplifiers, bigger for obtaining
While puise gain, influence of the fuel factor to solid laser amplifier performance is reduced.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted in the utility model are as follows: solid of a micron waveband
Laser amplifier, comprising: high brightness pump source system and Solid State Laser amplification system；The Solid State Laser amplification system uses high
The output light of brightness pump source system is as pump light；
The high brightness pump source system includes the optical fiber laser and can make light source coupling that at least one specific wavelength exports
The condenser lens for entering the Solid State Laser amplification system is closed, the output power of the optical fiber laser is not less than 10W；
The Solid State Laser amplification system includes at least one solid state laser gain medium and at least one optical element,
The laser beam that the pump light and needs that the optical element is used to go out through high brightness pump source system projects amplify.
Further, the high brightness pump source system includes high power pump source and driving power, the driving electricity
Source is electrically connected with high power pump source, and the driving power is powered to the high power pump source.
Further, the wavelength in the high power pump source rare earth doped element uptake zone in.
Further, the condenser lens is set in front of the high power pump source, for projecting to high power pump source
Laser coupled.
Further, the optical fiber laser includes at least one semiconductor laser diode, one based on fused biconical taper
The fiber-optic signal pump combiner of technology and at least one section of rare earth doped fiber.
Further, the optical fiber laser further includes at least a pair of reflective or transmission-type Bragg grating, is used
In formation optical fiber laser resonant cavity and carry out wavelength selection.
Further, the optical fiber laser further includes the combination of at least a pair of of optical fiber collimator and reflecting mirror, is used for shape
At optical fiber laser resonant cavity；At least one signal wavelength selector, for carrying out wavelength selection.
Further, the signal wavelength selector is narrow linewidth optical filter.
Further, the signal wavelength selector is the reflective Bragg grating to selected wavelength diffractive.
Further, the solid state laser gain medium be doped rare earth element glass or doped rare earth element crystal, including but
It is not limited to neodymium-doped yttrium-aluminum garnet (Nd:YAG), mixes ytterbium yttrium-aluminium-garnet (Yb:YAG), Nd-doped yttrium vanadate (Nd:YVO4), neodymium-doped
Gadolinium Tungstate potassium (Nd:KGW) mixes ytterbium Gadolinium Tungstate potassium (Yb:KGW).
The utility model has the beneficial effects that: the utility model uses this higher source luminance of optical fiber laser as pump
Pu source, pump light are strengthened with the overlapping of signal light, higher gain can be obtained in solid laser amplifier, and then make
It obtains the pulse by amplification and has higher pulse energy；At the same time, in solid laser amplifier using low doping concentration,
The longer gain media of length；So that the increase of the bulk area ratio of gain media thereby reduces so that heat dissipation becomes easy
Influence of the fuel factor to laser amplifier performance.
Detailed description of the invention
The specific structure of the utility model is described in detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of one embodiment of solid laser amplifier of a micron waveband of the utility model；
Wherein, 1- high power pump source, 2- pump combiner, 3- high reflectance fiber grating, 4- rare earth doped fiber, the portion 5-
Divide reflection fiber grating, 6- condenser lens, 7- optical element, 8- solid state laser gain medium.
Specific embodiment
For technology contents, the construction feature, the objects and the effects that the utility model is described in detail, below in conjunction with implementation
Mode simultaneously cooperates attached drawing to be explained in detail.
Following technical scheme is refering to fig. 1.
A kind of solid laser amplifier of a micron waveband, comprising: high brightness pump source system and Solid State Laser amplification system
System；The Solid State Laser amplification system uses the output light of high brightness pump source system as pump light；
The high brightness pump source system includes the optical fiber laser and can make light source coupling that at least one specific wavelength exports
The condenser lens 6 for entering the Solid State Laser amplification system is closed, the output power of the optical fiber laser is not less than 10W；
The Solid State Laser amplification system includes at least one solid state laser gain medium 8 and at least one optical element
7, the optical element 7 is used for through the laser pump (ing) light projected and the laser beam for needing to amplify.
Preferably, the solid state laser gain medium 8 is doped rare earth element glass or doped rare earth element crystal.
Wherein, the solid state laser gain medium 8 be solid laser amplifier in used doped rare earth element glass or
Doped rare earth element crystal, including but not limited to neodymium-doped yttrium-aluminum garnet (Nd:YAG) mix ytterbium yttrium-aluminium-garnet (Yb:YAG), neodymium-doped
Yttrium Orthovanadate (Nd:YVO4), mixes ytterbium Gadolinium Tungstate potassium (Yb:KGW) at neodymium-doped tungstic acid gadolinium potassium (Nd:KGW), further include to gain media into
The heating equipment of row temperature control.
The optical element 7, the output wave of the laser beam and the optical fiber lasers as pumping source that amplify to needs
Length is anti-reflection.
As can be seen from the above description, the utility model uses this higher source luminance of optical fiber laser as pumping source, pumping
Light is strengthened with the overlapping of signal light, higher gain can be obtained in solid laser amplifier, so that through over-discharge
Big pulse has higher pulse energy；At the same time, longer using low doping concentration, length in solid laser amplifier
Gain media；So that the increase of the bulk area ratio of gain media thereby reduces fuel factor pair so that heat dissipation becomes easy
The influence of solid laser amplifier performance.
In one embodiment, the optical fiber laser includes high power pump source 1 and driving power, the driving
Power supply is electrically connected with high power pump source 1, and the driving power is powered to the high power pump source 1.
Wherein, high power pump source 1 is made of multiple multimode semiconductor lasers and driving power, each semiconductor laser
Device power is several watts or even tens of watts, and the wavelength of output can be 975 nanometers, 940 nanometers or 915 nanometers, preferred to use
Wavelength is 975 nanometers.By continuously powering or be modulated to the high brightness pump source 1, realize optical fiber laser continuously or
Quasi-continuous output.
In one embodiment, the optical fiber laser includes 1, one, at least one high power pump source based on melting
Draw the fiber-optic signal pump combiner 2 and at least one section of rare earth doped fiber 4 of cone technology；
Preferably, the wavelength in the high power pump source 1 rare earth doped element uptake zone in；
Preferably, the pump combiner 2 is set to 1 front of high power pump source, for penetrating to high power pump source 1
Laser out is coupled；
Preferably, the optical fiber laser further includes at least a pair of reflective or transmission-type Bragg grating, is used for
It forms optical fiber laser resonant cavity and carries out wavelength selection；
Preferably, the optical fiber laser further includes the combination of at least a pair of of optical fiber collimator and reflecting mirror, is used to form
Optical fiber laser resonant cavity；At least one signal wavelength selector, for carrying out wavelength selection；
Preferably, the signal wavelength selector is narrow linewidth optical filter；
Preferably, the signal wavelength selector is the reflective Bragg grating to selected wavelength diffractive.
Wherein, pump combiner 2 is the fiber pump combiner based on fused biconical taper technology in the implementation case, is realized
The combinations of multiple pump lights and signal light；Reflective Bragg grating 3 and part reflection fiber grating 5 are in the implementation case
Signal wavelength selection with optical fiber laser resonant cavity reflect original part combiner.Meanwhile the high brightness laser that optical fiber laser generates
Beam is exported by part reflection fiber grating 5, and is coupled into solid by the condenser lens 6 in 5 front of part reflection fiber grating
Laser amplifier system.
Rare earth doped fiber 4 is the gain media of the optical fiber laser in the implementation case, wherein the rare earth element mixed can
To be ytterbium or neodymium, the output wavelength according to required by optical fiber laser is selected.Meanwhile according to for optical fiber laser not
With output requirement, can between single covering rare earth doped fiber and double clad rare earth doped fiber, polarization-maintaining rare earth doped fiber and
Selection and combination is carried out between non-polarization-maintaining rare earth doped fiber and between the rare earth doped fiber of various core diameters.
In one embodiment, a kind of solid laser amplifier of a micron waveband comprising: high brightness pump source system
System and Solid State Laser amplification system；
The high brightness pump source system includes: optical fiber laser, and the optical fiber laser includes high power pump source 1,
The front in the high power pump source 1 is equipped with pump combiner 2, is equipped with a reflective Prague in front of the pump combiner 2
The front of grating 3, the reflective Bragg grating 3 is equipped with rare earth doped fiber 4 and part reflection fiber grating 5；Meanwhile light
The output power of fibre laser is not less than 10W.
Wherein, the high power pump source 1 is made of n multimode semiconductor laser and driving power, each semiconductor
Laser power is several watts or even tens of watts, and the wavelength of output can be 975 nanometers, 940 nanometers or 915 nanometers, preferably
Use wavelength for 975 nanometers.By continuously powering or being modulated to the high power pump source 1, realize that optical fiber laser connects
Continuous or quasi-continuous output.
The specific works mode for the solid laser amplifier that the implementation case is pumped with higher source luminance are as follows: wavelength is 914
Nanometer perhaps 940 nanometers or 976 nanometers of high power pump source 1, passes through pump combiner 2 and high reflectance optical fiber light
Grid 3 are coupled in the rare earth doped fiber 4 for mixing ytterbium, and the wavelength that generation is vibrated in optical fiber laser resonant cavity is 1005~1020 nanometers
High-brightness fiber-optic laser pass through partially reflective fiber grating 5 output；Then, this high-brightness fiber-optic laser output beam passes through poly-
Focus lens 6 are collimated and are coupled into Solid State Laser amplification system through optical component 7.In Solid State Laser amplification system, ytterbium is mixed
Yttrium-aluminium-garnet (Yb:YAG) is used as solid state laser gain medium 8, and the signal laser light beam for being 1030 nanometers to wavelength is put
Greatly and export.
Herein first, second ... only represents the differentiation of its title, not representing their significance level and position has what
It is different.
Herein, up, down, left, right, before and after only represents its relative position without indicating its absolute position.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (9)
1. a kind of solid laser amplifier of a micron waveband, it is characterised in that: include: that high brightness pump source system and solid swash
Optical amplification system；The Solid State Laser amplification system uses the output light of high brightness pump source system as pump light；
The high brightness pump source system includes, the optical fiber laser of at least one specific wavelength output and can make light source couples into
Enter the condenser lens of the Solid State Laser amplification system, the output power of the optical fiber laser is not less than 10W；
The Solid State Laser amplification system includes at least one solid state laser gain medium and at least one optical element, described
The laser beam that the pump light and needs that optical element is used to go out through high brightness pump source system projects amplify.
2. the solid laser amplifier of a micron waveband as described in claim 1, it is characterised in that: the high brightness pump source
System includes high power pump source and driving power, and the driving power is electrically connected with high power pump source, the driving electricity
Source powers to the high power pump source.
3. the solid laser amplifier of a micron waveband as claimed in claim 2, it is characterised in that: the optical fiber laser packet
Include at least one semiconductor laser diode, a fiber-optic signal pump combiner based on fused biconical taper technology and at least one section
Rare earth doped fiber.
4. the solid laser amplifier of a micron waveband as claimed in claim 3, it is characterised in that: the high power pump source
Wavelength rare earth doped element uptake zone in.
5. the solid laser amplifier of a micron waveband as claimed in claim 4, it is characterised in that: the condenser lens is set to
In front of the high power pump source, the laser for projecting to high power pump source is coupled.
6. the solid laser amplifier of a micron waveband as claimed in claim 2, it is characterised in that: the optical fiber laser is also
Including at least a pair of reflective or transmission-type Bragg grating, it is used to form optical fiber laser resonant cavity and goes forward side by side the long choosing of traveling wave
It selects.
7. the solid laser amplifier of a micron waveband as claimed in claim 2, it is characterised in that: the optical fiber laser is also
Combination including at least a pair of of optical fiber collimator and reflecting mirror, is used to form optical fiber laser resonant cavity；At least one signal wavelength
Selector, for carrying out wavelength selection.
8. the solid laser amplifier of a micron waveband as claimed in claim 7, it is characterised in that: the signal wavelength selection
Device is narrow linewidth optical filter.
9. the solid laser amplifier of a micron waveband as claimed in claim 7, it is characterised in that: the signal wavelength selection
Device is the reflective Bragg grating to selected wavelength diffractive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821456911.5U CN209150475U (en) | 2018-09-06 | 2018-09-06 | The solid laser amplifier of one micron waveband |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821456911.5U CN209150475U (en) | 2018-09-06 | 2018-09-06 | The solid laser amplifier of one micron waveband |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209150475U true CN209150475U (en) | 2019-07-23 |
Family
ID=67265254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821456911.5U Active CN209150475U (en) | 2018-09-06 | 2018-09-06 | The solid laser amplifier of one micron waveband |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209150475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988110A (en) * | 2018-09-06 | 2018-12-11 | 英诺激光科技股份有限公司 | The solid laser amplifier of one micron waveband |
-
2018
- 2018-09-06 CN CN201821456911.5U patent/CN209150475U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988110A (en) * | 2018-09-06 | 2018-12-11 | 英诺激光科技股份有限公司 | The solid laser amplifier of one micron waveband |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103078243A (en) | 2-micrometer high-pulse energy thulium-doped optical fiber laser of hybrid pump | |
| US20180159296A1 (en) | Monolithic integrated seed and high power pump source | |
| US5659558A (en) | Short-wavelength laser element doped with rare earth ions, optical amplifier doped with rare earth ions, and wavelength converter doped with rare earth ions | |
| CN100465505C (en) | Watt-grade broadband super-fluorescence light source with ytterbium doped photonic crystal fiber | |
| CN102856783A (en) | Intermediate/far infrared super-continuum spectrum fiber laser | |
| CN102931572B (en) | High-power fiber lasers of short wavelength interval pump | |
| CN100428585C (en) | Dual wavelength pulse optical fiber laser system | |
| CN113823990B (en) | Short-gain fiber oscillation amplification co-pumping high-power narrow linewidth laser | |
| CN103050874A (en) | High-power pulse type singe-frequency all-fiber laser system | |
| CN103474868B (en) | Output high-power 2 micro wire polarization laser mix thulium full-optical-fiber laser | |
| CN105514774A (en) | Two-micron-waveband low-threshold-value thulium-doped optical filer laser device for joint pumping of fiber core and cladding | |
| CN100492148C (en) | Whole optical fiber narrow linewidth hundred billisecond pulse signal system | |
| CN109038186A (en) | A kind of flat type erbium-ytterbium co-doped fiber light source | |
| CN209150475U (en) | The solid laser amplifier of one micron waveband | |
| CN108988110A (en) | The solid laser amplifier of one micron waveband | |
| CN209150479U (en) | The solid state laser of one micron waveband | |
| CN216251600U (en) | Oscillation amplification integrated optical fiber laser | |
| CN201490563U (en) | 100 W continuous all-fiber laser | |
| CN202957448U (en) | Middle and far-infrared super-continuum spectrum fiber laser | |
| CN207265406U (en) | A kind of 1064 pumped great-power narrow linewidth C band erbium-doped fiber amplifiers | |
| CN102157888A (en) | Passive Q-switched all-fiber laser | |
| CN211238802U (en) | Final amplifier and optical fiber laser output device | |
| CN100571080C (en) | Wavelength is the signal source device of 1053nm, high power, narrow linewidth | |
| CN113964632A (en) | High-power single-mode fiber laser | |
| CN209544812U (en) | A kind of big energy femto-second laser of high power |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |