CN101060230A - Micro-optical fiber ring dye laser with evanescent wave coupling gain - Google Patents
Micro-optical fiber ring dye laser with evanescent wave coupling gain Download PDFInfo
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- CN101060230A CN101060230A CN 200710068648 CN200710068648A CN101060230A CN 101060230 A CN101060230 A CN 101060230A CN 200710068648 CN200710068648 CN 200710068648 CN 200710068648 A CN200710068648 A CN 200710068648A CN 101060230 A CN101060230 A CN 101060230A
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- 230000008878 coupling Effects 0.000 title claims description 14
- 238000010168 coupling process Methods 0.000 title claims description 14
- 238000005859 coupling reaction Methods 0.000 title claims description 14
- 239000013307 optical fiber Substances 0.000 title description 2
- 239000000835 fiber Substances 0.000 claims abstract description 28
- 238000007654 immersion Methods 0.000 claims description 4
- VYXSBFYARXAAKO-WTKGSRSZSA-N chembl402140 Chemical compound Cl.C1=2C=C(C)C(NCC)=CC=2OC2=C\C(=N/CC)C(C)=CC2=C1C1=CC=CC=C1C(=O)OCC VYXSBFYARXAAKO-WTKGSRSZSA-N 0.000 claims description 3
- 239000002096 quantum dot Substances 0.000 claims description 2
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 claims description 2
- 229940043267 rhodamine b Drugs 0.000 claims description 2
- 229920001410 Microfiber Polymers 0.000 abstract 4
- 239000003658 microfiber Substances 0.000 abstract 4
- 238000007598 dipping method Methods 0.000 abstract 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 9
- 239000000975 dye Substances 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The disclosed micro-fiber circular-junction dye laser with swift-away wave coupled gain comprises: using a first micro-fiber to prepare circular-junction resonant cavity with two ends connected with a mono-mode fiber and second micro-fiber respectively; dipping the resonant cavity into a solution doped gain medium to generate laser and output from the second micro-fiber. This invention is small-size, stable and convenient to be integrated.
Description
Technical field
The present invention relates to micro optical element, especially relate to a kind of micro-ptical-fiber ring-node dye laser that utilizes the evanescent wave coupling gain.
Background technology
Microlaser is a kind of important opto-electronic device, and in optical information processing, and aspect such as biology, chemical sensitisation has a wide range of applications.Along with the improvement of optical fiber preparation technology, low-loss micro-nano fiber is produced out, and has been applied to make micro-nano photonic propulsion device, and micro-ptical-fiber ring-node resonant cavity and rear-earth-doped micro-ptical-fiber ring-node laser are proved to be.The microlaser of having realized in the world that utilizes the evanescent wave coupling gain mainly comprises ball-type and column construction etc.But these structures are stable inadequately, are unfavorable for that optics is integrated, are difficult to use in practice.
Summary of the invention
The object of the present invention is to provide a kind of micro-ptical-fiber ring-node dye laser that utilizes the evanescent wave coupling gain.
The technical scheme that the present invention solves its technical problem employing is:
Be prepared into the ring junction resonant cavity with first low-light fibre, one end of ring junction resonant cavity links to each other with monomode fiber, the other end of ring junction resonant cavity and second fine coupling of low-light, this ring junction resonant cavity immersion is mixed with in the solution of gain media, thereby utilizes the evanescent wave that is distributed in the fine surface of low-light to excite gain media to produce laser.
The beneficial effect that the present invention has is: the micro-ptical-fiber ring-node dye laser that utilizes the evanescent wave coupling gain of the present invention have miniaturization, preparation simple, stablize, be easy to characteristics such as integrated.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present invention;
Fig. 2 is the laser characteristics figure that this laser obtains;
Fig. 3 is the variation relation of output laser power with pumping light power.
Among the figure: 1, first low-light fibre, 2, the ring junction resonant cavity, 3, be mixed with the solution of gain media, 4, second low-light fibres, A, input, B, output.
Embodiment
As shown in Figure 1, the present invention is prepared into ring junction resonant cavity 2 with first low-light fibre 1, one end of ring junction resonant cavity 2 links to each other with monomode fiber, the other end of ring junction resonant cavity 2 and second fine 4 coupling of low-light, these ring junction resonant cavity 2 immersions are mixed with in the solution 3 of gain media, thereby utilize the evanescent wave that is distributed in the fine surface of low-light to excite gain media to produce laser.
The fine diameter of described low-light is 0.5～5 μ m.Described ring junction laser, its diameter are 50 μ m～10mm.Described ring junction resonant cavity is annular unijunction resonant cavity.The described gain media that is mixed with is rhodamine 6G dye solution, rhodamine B dye solution or quantum dot solution.
Preparation process of the present invention is as follows:
(1) at first with drawing by high temperature farad system monomode fiber, prepares the low-light fibre 1 of 1-5 μ m; (2) utilize the fine probe of two low-lights at light microscope lower-pilot low-light fibre, prepare the ring junction resonant cavity 2 of diameter in the millimeter magnitude, an end of ring junction links to each other with monomode fiber, and an end is unsettled; (3) utilize micropositioning stage to strain free end gradually, the diameter that changes ring junction resonant cavity 2 is to the scope that needs; (4) 2 immersions of ring junction resonant cavity are mixed with in the solution 3 of gain media; (5) prepare a low-light fibre 4 again, it is ridden over an end of ring junction resonant cavity 2, in order to draw output laser; (6) pump light is inputed to ring junction resonant cavity 2 from port A, and increase pump power gradually, when pump light reaches threshold value, will have laser, continue to increase pump light and will obtain different power outputs from port B output.
Applicating example:
Use general single mode fiber drawing by high temperature method to prepare 3.9 μ m low-light fibres, under light microscope, prepare the ring junction resonant cavity of 350 μ m diameters, this ring junction resonant cavity is immersed in the ethylene glycol solution of 5mM/L rhodamine 6G dyestuff, import pump light (the pulsewidth 6-ns of 532nm wavelength then, repetition rate 10-Hz), and constantly increased input power, measure the optical characteristics of output light.Fig. 1 is a structural principle schematic diagram of the present invention; The laser characteristics that this laser of Fig. 2 obtains is wherein schemed a, b be respectively this laser at 570nm, near the laser light spectrogram the 580nm; Fig. 3 is the variation relation figure of output laser power with pumping light power, and its laser threshold is approximately 9.2 μ J/pulse as can be seen.
During by the propagation of micro-ptical-fiber ring-node pump light in ring junction, because fibre diameter is thinner, and the refringence of silica and ethylene glycol solution is less, the part energy of pump light will the form with evanescent wave be propagated in the outside of low-light fibre (being the ethylene glycol dye solution), thereby excite dye molecule, produce fluorescence, the fluorescence of generation will resonate in the ring junction resonant cavity, will have laser output when the about loss of gain.
Above-mentioned embodiment is used for the present invention that explains, rather than limits the invention, and in the protection range of spirit of the present invention and claim, any modification and change to the present invention makes all fall into protection scope of the present invention.
Claims (5)
1, utilizes the micro-ptical-fiber ring-node dye laser of evanescent wave coupling gain, it is characterized in that: be prepared into ring junction resonant cavity (2) with first low-light fibre (1), one end of ring junction resonant cavity (2) links to each other with monomode fiber, the other end of ring junction resonant cavity (2) and second low-light fibre (4) coupling, this ring junction resonant cavity (2) immersion is mixed with in the solution (3) of gain media, thereby utilizes the evanescent wave that is distributed in the fine surface of low-light to excite gain media to produce laser.
2, the micro-ptical-fiber ring-node dye laser that utilizes the evanescent wave coupling gain according to claim 1 is characterized in that: the fine diameter of described low-light is 0.5～5 μ m.
3, the micro-ptical-fiber ring-node dye laser that utilizes the evanescent wave coupling gain according to claim 1 is characterized in that: described ring junction laser, its diameter are 50 μ m～10mm.
4, the micro-ptical-fiber ring-node dye laser that utilizes the evanescent wave coupling gain according to claim 1 is characterized in that: described ring junction resonant cavity is annular unijunction resonant cavity.
5, the micro-ptical-fiber ring-node dye laser that utilizes the evanescent wave coupling gain according to claim 1 is characterized in that the described gain media that is mixed with is rhodamine 6G dye solution, rhodamine B dye solution or quantum dot solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100686482A CN100428588C (en) | 2007-05-15 | 2007-05-15 | Micro-optical fiber ring dye laser with evanescent wave coupling gain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100686482A CN100428588C (en) | 2007-05-15 | 2007-05-15 | Micro-optical fiber ring dye laser with evanescent wave coupling gain |
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| Publication Number | Publication Date |
|---|---|
| CN101060230A true CN101060230A (en) | 2007-10-24 |
| CN100428588C CN100428588C (en) | 2008-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100686482A Expired - Fee Related CN100428588C (en) | 2007-05-15 | 2007-05-15 | Micro-optical fiber ring dye laser with evanescent wave coupling gain |
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| CN (1) | CN100428588C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682962A (en) * | 2013-11-29 | 2014-03-26 | 华中科技大学 | Vernier effect based tunable microfiber laser and production method thereof |
| CN104993371A (en) * | 2015-06-02 | 2015-10-21 | 哈尔滨工程大学 | Tunable liquid microsphere laser |
| CN106877126A (en) * | 2017-03-31 | 2017-06-20 | 佛山科学技术学院 | Compound cavity optical fibre laser and its method for realizing xenogenesis pulse format coherent modulation |
| CN108899750A (en) * | 2018-06-29 | 2018-11-27 | 华南理工大学 | A kind of hollow micro- knot Whispering-gallery-mode resonant cavity of multi-pore channel and preparation method thereof |
| CN109188602A (en) * | 2018-11-16 | 2019-01-11 | 中聚科技股份有限公司 | A kind of annular rare-earth doped optical fibre and the optical-fiber laser therapeutic device using it |
| CN110299665A (en) * | 2019-06-24 | 2019-10-01 | 福建师范大学 | A kind of realization device and method of single-mode laser |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002171014A (en) * | 2000-12-01 | 2002-06-14 | Japan Science & Technology Corp | Active medium for polymer optical fiber laser amplifier |
| US20070034831A1 (en) * | 2005-08-09 | 2007-02-15 | Attieh Al-Ghamdi | Synthesis of solid state dye laser by y-irradiation polymerization method |
| CN201038594Y (en) * | 2007-05-15 | 2008-03-19 | 浙江大学 | Micro optical fiber ring junction dye laser using evanescent wave coupling gain |
-
2007
- 2007-05-15 CN CNB2007100686482A patent/CN100428588C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682962A (en) * | 2013-11-29 | 2014-03-26 | 华中科技大学 | Vernier effect based tunable microfiber laser and production method thereof |
| CN103682962B (en) * | 2013-11-29 | 2016-08-17 | 华中科技大学 | A kind of tunable micro optical fiber laser instrument based on cursor effect and preparation method thereof |
| CN104993371A (en) * | 2015-06-02 | 2015-10-21 | 哈尔滨工程大学 | Tunable liquid microsphere laser |
| CN104993371B (en) * | 2015-06-02 | 2018-02-13 | 哈尔滨工程大学 | Tunable liquid microsphere laser device |
| CN106877126A (en) * | 2017-03-31 | 2017-06-20 | 佛山科学技术学院 | Compound cavity optical fibre laser and its method for realizing xenogenesis pulse format coherent modulation |
| CN108899750A (en) * | 2018-06-29 | 2018-11-27 | 华南理工大学 | A kind of hollow micro- knot Whispering-gallery-mode resonant cavity of multi-pore channel and preparation method thereof |
| CN109188602A (en) * | 2018-11-16 | 2019-01-11 | 中聚科技股份有限公司 | A kind of annular rare-earth doped optical fibre and the optical-fiber laser therapeutic device using it |
| CN110299665A (en) * | 2019-06-24 | 2019-10-01 | 福建师范大学 | A kind of realization device and method of single-mode laser |
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| Publication number | Publication date |
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| CN100428588C (en) | 2008-10-22 |
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