CN109638620A - One kind is based on mixing Yb2+The visible light fiber laser of optical fiber - Google Patents
One kind is based on mixing Yb2+The visible light fiber laser of optical fiber Download PDFInfo
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- CN109638620A CN109638620A CN201811490001.3A CN201811490001A CN109638620A CN 109638620 A CN109638620 A CN 109638620A CN 201811490001 A CN201811490001 A CN 201811490001A CN 109638620 A CN109638620 A CN 109638620A
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- fiber
- optical fiber
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06716—Fibre compositions or doping with active elements
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
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Abstract
It is based on mixing Yb the invention discloses one kind2+The visible light fiber laser of optical fiber, including pumping source, coupling assembly resonant cavity component, pumping source is for issuing pump light, and for the light beam of pumping source successively by the coupling assembly resonant cavity component being arranged successively, resonator components include Yb2+Coupling pump light is entered Yb for coupling to pump light by doped fiber, coupling assembly2+Doped fiber, resonator components are used to carry out oscillator gain to the pump light after coupling, will be ultraviolet and visible be optically coupled into Yb2+Doped fiber, Yb2+Doped fiber generates laser in such a way that stimulated radiation is amplified, mixes Yb under the excitation of pumping source2+The beam quality and efficiency of visible light lasers can be improved in the visible light fiber laser of optical fiber, and realizes the laser output of high power visible light.
Description
Technical field
The present invention relates to fiber laser technology fields, and in particular to one kind is based on mixing Yb2+The visible light optical fiber of optical fiber swashs
Light device.
Background technique
In recent years, it is seen that the optical fiber laser of optical band is widely used in the side such as biologic medical, material processing, gas detection
Face, however existing visible light fiber laser mostly uses mix pr greatly3+Optical fiber develops, and beam quality is not high, and efficiency
Also low, have no Yb2+Dopant material is used for the report of visible laser.And currently, for Yb2+Research be only using Yb2+It mixes
Stray crystal body and glass carry out the exploitation of visible illumination device, as the preferred material of white-light illuminating light source.
It can be seen that there is also certain defects for the prior art.
Summary of the invention
In view of this, in order to solve the problems in the prior art, the present invention proposes that one kind is based on mixing Yb2+The visible light of optical fiber
Optical fiber laser for improving the beam quality and efficiency of visible light lasers, and realizes the laser output of high power visible light.
The present invention is solved the above problems by following technological means:
One kind is based on mixing Yb2+The visible light fiber laser of optical fiber, including pumping source, coupling assembly resonant cavity component；
The pumping source is for issuing pump light；
The light beam of the pumping source successively passes through the coupling assembly resonant cavity component being arranged successively；
The resonator components include Yb2+Doped fiber；
Coupling pump light is entered Yb for coupling to pump light by the coupling assembly2+Doped fiber；
The resonator components are used to carry out oscillator gain to the pump light after coupling, to export laser.
Further, the coupling assembly includes the first lens and the second lens of successively longitudinal arrangement, and the first lens are
Collimating mirror, the second lens are focus lamp, and the first lens and the second lens are the different non-spherical lens of focal length, and pumping source issues
Pump light successively pass through the first lens and the second lens.
Further, the resonator components include the first dichroscope, the Yb being arranged successively2+Doped fiber and the two or two
To Look mirror, the first dichroscope is close to Yb with the second dichroscope2+Doped fiber end face, the light beam of the pumping source is through overcoupling
After component, successively pass through the first dichroscope, Yb2+Doped fiber and the second dichroscope.
Further, the Yb2+Doped fiber is Yb2+Adulterate silica fibre or Yb2+Doped silicate glasses optical fiber.
Further, the surface of first lens and the second lens, which is plated, is equipped with anti-reflection film, and the anti-reflection film is for increasing
Add the transmitance of light, reduces coupling loss.
Further, the coupling assembly includes pumping source tail optical fiber and fiber optic isolator, pumping source tail optical fiber and optical fiber optical isolation
Device connection, the pump light that pumping source issues successively pass through pumping source tail optical fiber and fiber optic isolator.
Further, the resonator components include sequentially connected first fiber grating, Yb2+Doped fiber and the second light
Fine grating, the first fiber grating are connect with fiber optic isolator, and the light beam of the pumping source successively passes through after coupling assembly
First fiber grating, Yb2+Doped fiber and the second fiber grating.
Compared with prior art, beneficial effects of the present invention are as follows:
By ultraviolet and visible light by way of pump coupling, it is coupled into Yb2+Doped fiber, Yb2+Doped fiber exists
Under the excitation of pumping source, laser is generated in such a way that stimulated radiation is amplified, mixes Yb2+The visible light fiber laser of optical fiber can mention
The beam quality and efficiency of high visible laser, and realize the laser output of high power visible light.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention two.
Description of symbols:
1, pumping source；2,Yb2+Doped fiber；3, the first lens；4, the second lens；5, the first dichroscope；6, the 2nd 2
To Look mirror；7, pumping source tail optical fiber；8, fiber optic isolator；9, the first fiber grating；10, the second fiber grating.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with attached drawing and specifically
Embodiment technical solution of the present invention is described in detail.It should be pointed out that described embodiment is only this hair
Bright a part of the embodiment, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
It is to be appreciated that the orientation or positional relationship of the instructions such as term " top ", " bottom " is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Term " first ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", " second ", " third " feature can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " one group "
It is meant that two or more.
Embodiment one
It is based on mixing Yb as shown in Figure 1, the present invention provides one kind2+The visible light fiber laser of optical fiber, including pumping source 1,
Coupling assembly resonant cavity component, for issuing pump light, the light beam of the pumping source 1 successively passes through successively the pumping source 1
The coupling assembly resonant cavity component of arrangement, the resonator components include Yb2+Doped fiber 2, the coupling assembly for pair
Pump light is coupled, and coupling pump light is entered Yb2+Doped fiber 2, the resonator components are used for the pump after coupling
Pu light carries out oscillator gain, to export laser.
Specifically, in the present embodiment, the coupling assembly includes the first lens 3 and the second lens of successively longitudinal arrangement
4, the first lens 3 are collimating mirror, and the second lens 4 are focus lamp, and the first lens 3 and the second lens 4 are the different aspheric of focal length
Face lens, and ultraviolet and visible light source is as pumping source 1, is Yb2+The light source of absorption band can be 365nm laser or 405nm
Laser either 355nm laser, certainly, it is not limited to these band lasers.The pump light that pumping source 1 issues successively passes through
Cross the first lens 3 and the second lens 4.Successively after the first lens 3 and the second lens 4, coupling pump light is entered for pump light
To Yb2+Doped fiber 2.
In the present embodiment, the resonator components specifically include the first dichroscope 5, the Yb being arranged successively2+Adulterate light
Fibre 2 and the second dichroscope 6, the first dichroscope 5 are close to Yb with the second dichroscope 62+2 end face of doped fiber, the pumping
The light beam in source 1 successively passes through the first dichroscope 5, Yb after coupling assembly2+Doped fiber 2 and the second dichroscope 6.It is humorous
The first dichroscope 5, the second dichroscope 6 and Yb in vibration chamber component2+Pump light after 2 pairs of doped fiber couplings shakes
Gain is swung, to export laser.
Wherein the first dichroscope 5 and the second dichroscope 6 can be with 355HT/XXXHR, and 355HR/XXXHT is either
405HT/XXXHR, 405HR/XXXHT, XXX represent the wavelength of laser.
Yb2+Doped fiber 2 is bivalent rare earth ytterbium doped fiber, in the present embodiment, as a further optimization of the scheme , institute
State Yb2+Doped fiber 2 is Yb2+Adulterate silica fibre or Yb2+Doped silicate glasses optical fiber.And optical fiber structure can be biography
The optical fiber structure or Yb of system2+Adulterate quartzy microstructured optical fibers.
In the present embodiment, the surface of first lens 3 and the second lens 4, which is plated, is equipped with anti-reflection film, the anti-reflection film
For increasing the transmitance of light, coupling loss is reduced.
Embodiment two
As shown in Fig. 2, embodiment two, unlike embodiment, the coupling assembly specifically includes pumping source tail optical fiber 7 and light
Fine optoisolator 8, pumping source tail optical fiber 7 are connect with fiber optic isolator 8, and the pump light that pumping source 1 issues successively passes through pumping source tail optical fiber 7
With fiber optic isolator 8.Successively after pumping source tail optical fiber 7 and fiber optic isolator 8, coupling pump light is entered for pump light
Yb2+Doped fiber 2.In the present embodiment, the connection between optical fiber and optical fiber is coupled by welding.
In the present embodiment, the resonator components specifically include sequentially connected first fiber grating 9, Yb2+Adulterate light
Fibre 2 and the second fiber grating 10, the first fiber grating 9 are connect with fiber optic isolator 8, and the light beam of the pumping source 1 passes through coupling
After seaming element, successively pass through the first fiber grating 9, Yb2+Doped fiber 2 and the second fiber grating 10.
Wherein the first fiber grating 9 and the second fiber grating 10 can be 355HT/xxxHR, 355HR/xxxHT or
405HT/xxxHR, 405HR/xxxHT, XXX represent the wavelength of laser, certainly, it is not limited to above-mentioned two situations, it can foundation
Actual needs specific choice.
Ultraviolet and visible light by way of pump coupling, is coupled into Yb by the present invention2+Doped fiber 2, Yb2+It mixes
Veiling glare fibre 2 generates laser in such a way that stimulated radiation is amplified, mixes Yb under the excitation of pumping source 12+The visible light optical fiber of optical fiber
The beam quality and efficiency of visible light lasers can be improved in laser, and realizes the laser output of high power visible light.Certainly, this hair
The bright form for being not limited to above two laser and generating, can also be and adjust Q, the forms such as mode locking and chirped pulse amplification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. one kind is based on mixing Yb2+The visible light fiber laser of optical fiber, which is characterized in that including pumping source (1), coupling assembly and
Resonator components；
The pumping source (1) is for issuing pump light；
The light beam of the pumping source (1) successively passes through the coupling assembly resonant cavity component being arranged successively；
The resonator components include Yb2+Doped fiber (2)；
Coupling pump light is entered Yb for coupling to pump light by the coupling assembly2+Doped fiber (2)；
The resonator components are used to carry out oscillator gain to the pump light after coupling, to export laser.
2. according to claim 1 be based on mixing Yb2+The visible light fiber laser of optical fiber, which is characterized in that the coupling
Component includes the first lens (3) and the second lens (4) of successively longitudinal arrangement, and the first lens (3) are collimating mirror, the second lens
It (4) is focus lamp, the first lens (3) and the second lens (4) non-spherical lens that be focal length different, pumping source (1) sending
Pump light successively passes through the first lens (3) and the second lens (4).
3. according to claim 2 be based on mixing Yb2+The visible light fiber laser of optical fiber, which is characterized in that the resonance
Chamber component includes the first dichroscope (5), the Yb being arranged successively2+Doped fiber (2) and the second dichroscope (6), the one or two to
Look mirror (5) is close to Yb with the second dichroscope (6)2+The light beam of doped fiber (2) end face, the pumping source (1) passes through coupling systems
After part, successively pass through the first dichroscope (5), Yb2+Doped fiber (2) and the second dichroscope (6).
4. according to claim 1 be based on mixing Yb2+The visible light fiber laser of optical fiber, which is characterized in that the Yb2+It mixes
Veiling glare fibre (2) is Yb2+Adulterate silica fibre or Yb2+Doped silicate glasses optical fiber.
5. according to claim 2 be based on mixing Yb2+The visible light fiber laser of optical fiber, which is characterized in that described first
The surface of lens (3) and the second lens (4), which is plated, is equipped with anti-reflection film, and the anti-reflection film is used to increase the transmitance of light, reduces coupling
Close loss.
6. according to claim 1 be based on mixing Yb2+The visible light fiber laser of optical fiber, which is characterized in that the coupling
Component includes pumping source tail optical fiber (7) and fiber optic isolator (8), and pumping source tail optical fiber (7) is connect with fiber optic isolator (8), pumping source
(1) pump light issued successively passes through pumping source tail optical fiber (7) and fiber optic isolator (8).
7. according to claim 6 be based on mixing Yb2+The visible light fiber laser of optical fiber, which is characterized in that the resonance
Chamber component includes sequentially connected first fiber grating (9), Yb2+Doped fiber (2) and the second fiber grating (10), the first optical fiber
Grating (9) is connect with fiber optic isolator (8), and the light beam of the pumping source (1) successively passes through the first light after coupling assembly
Fine grating (9), Yb2+Doped fiber (2) and the second fiber grating (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490001.3A CN109638620A (en) | 2018-12-06 | 2018-12-06 | One kind is based on mixing Yb2+The visible light fiber laser of optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490001.3A CN109638620A (en) | 2018-12-06 | 2018-12-06 | One kind is based on mixing Yb2+The visible light fiber laser of optical fiber |
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|---|---|
| CN109638620A true CN109638620A (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811490001.3A Pending CN109638620A (en) | 2018-12-06 | 2018-12-06 | One kind is based on mixing Yb2+The visible light fiber laser of optical fiber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394123A (en) * | 2023-12-12 | 2024-01-12 | 华南师范大学 | Ytterbium-doped fiber laser |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394123A (en) * | 2023-12-12 | 2024-01-12 | 华南师范大学 | Ytterbium-doped fiber laser |
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Application publication date: 20190416 |