CN2870237Y - Micro-optical-fiber ring knot optical resonance cavity - Google Patents
Micro-optical-fiber ring knot optical resonance cavity Download PDFInfo
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- CN2870237Y CN2870237Y CN 200620101095 CN200620101095U CN2870237Y CN 2870237 Y CN2870237 Y CN 2870237Y CN 200620101095 CN200620101095 CN 200620101095 CN 200620101095 U CN200620101095 U CN 200620101095U CN 2870237 Y CN2870237 Y CN 2870237Y
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- 230000003287 optical effect Effects 0.000 title claims abstract description 31
- 239000013307 optical fiber Substances 0.000 title abstract description 9
- 239000000835 fiber Substances 0.000 claims description 15
- 229920001410 Microfiber Polymers 0.000 claims description 9
- 239000003658 microfiber Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000000758 substrate Substances 0.000 abstract description 4
- 239000007864 aqueous solution Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012681 fiber drawing Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000000411 transmission spectrum Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000005259 measurement 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
- 239000000523 sample Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a micro optical fiber annular knot optical cavity. Micro optical fiber is used to make annular knot resonant cavity, one end of annular knot is optical signal input terminal, the other end of annular knot is coupled with optical signal output terminal of taper optical fiber. The utility model resonant cavity has high Q (quality factor), at present, the largest Q value is up to about 60000, the utility model has the advantages of good stability, easy to control and adjust, may be used in aqueous solution and on low refractive index substrate.
Description
Technical field
The utility model relates to micro optical element, system, especially relates to a kind of optical resonance cavity with micro-fiber optical loop.
Background technology
Optical resonator has been widely used in optical information processing, sensing, active device.The structure that realizes optical resonator at present mainly contains F-P chamber, microballoon resonant cavity, dish-type resonant cavity, optical fibre ring resonant cavity or the like.In recent years, along with the improvement of optical fiber preparation technology, low-loss micro-nano fiber is produced out, and is expected to be applied to micro-nano photonic propulsion device, improves the device integrated level.Optical resonator is exactly an example wherein.The method that obtains the fine optical resonator of low-light in the world mainly is that nano optical fibers is directly contacted by Van der Waals for and electrostatic force, forms annular or spirality resonant cavity.But Van der Waals for and electrostatic force all a little less than, these structures are all stable inadequately, are difficult to use in practice.
Summary of the invention
The purpose of this utility model is to provide a kind of optical resonance cavity with micro-fiber optical loop, utilizes the high Q of micron diameter optical fiber preparation (quality factor) value ring junction resonant cavity.
The technical scheme that its technical problem that solves the utility model adopts is: make the ring junction resonant cavity with the low-light fibre.
One end of ring junction is the light signal input, and the other end of ring junction is a light signal output end, light signal output end and conical fiber coupling.
The fine diameter of described low-light is 1～5 μ m,
Described ring junction resonant cavity, its diameter are 50 μ m～10mm.
Described ring junction resonant cavity is annular unijunction resonant cavity.
Conical fiber is 1～5 μ m with the diameter of the other end coupling unit of the knot that goes in ring.
The beneficial effect that the utlity model has is: resonant cavity of the present utility model has high Q (quality factor), maximum at present Q value can be accomplished about 60000, have good stable, be easy to control and adjusting, and can in the aqueous solution He on the low-refraction substrate, use.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present utility model
Fig. 2 is the enlarged drawing of knotting part A among Fig. 1;
Fig. 3 is the aerial transmission spectrums of 396 μ m diameter ring junction resonant cavitys.
Fig. 4 is the transmission spectrum of ring junction resonant cavity in water of 850 μ m diameters.Illustration has shown the detailed features of single formant.
Among the figure: 1, low-light fibre, 2, conical fiber, 3, the ring junction resonant cavity, 4, the light signal input.
Embodiment
The utility model preparation process is as follows:
(1) at first with drawing by high temperature farad system general single mode fiber, prepares the low-light fibre of 1-5 μ m; (2) utilize two conical fiber probes at light microscope lower-pilot low-light fibre, prepare the ring junction 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 is to the scope that needs; (4) input wideband light source or tunable laser, the optical characteristics of measurement resonant cavity; (5) be placed on the ring junction resonant cavity on the different substrates or be immersed in the solution, measure its optical characteristics.
One of applicating example:
Use general single mode fiber drawing by high temperature method to prepare 2.66 μ m low-light fibres, prepare the ring junction resonant cavity of 396 μ m diameters under light microscope, then, the input tunable laser is measured resonance characteristic.Fig. 1 is a structural principle schematic diagram of the present utility model; Fig. 2 is the enlarged drawing of knotting part A among Fig. 1, junction configuration as can be seen.Fig. 3 is the transmitted spectrum that the input tunable laser obtains in this ring junction air, calculates gained Q value and is about 10000, and fineness is 9.2.
Two of applicating example:
Use general single mode fiber drawing by high temperature method to prepare 1.73 μ m low-light fibres, prepare the ring junction resonant cavity of 850 μ m diameters, then it is immersed in the water, the input tunable laser is measured optical characteristics.Transmitted spectrum after accompanying drawing 4 ring junction resonant cavitys immerse in the water still has good resonance characteristic as can be seen in water, calculating gained Q value is 31100, and fineness is 13.
Different with ordinary optic fibre, low-light is fine because diameter is very little, and is suitable with the transmission light wavelength, so have portion of energy to transmit outside optical fiber with the form of evanescent wave in the transmission light time, make light when the zone of the knotting by being in contact with one another, interfere mutually, produce resonance by the evanescent wave coupling.
The utility model breaks into the fine knot resonant cavity that goes in ring of low-light the structure of knot, compare with the belt resonant cavity that forms of directly contacting by Van der Waals for and electrostatic force and to have extraordinary stability, be easy to control and adjusting, and can in the aqueous solution He on the low-refraction substrate, use.
Above-mentioned embodiment is used for the utility model of explaining; rather than the utility model limited; in the protection range of spirit of the present utility model and claim, any modification and change to the utility model is made all fall into protection range of the present utility model.
Claims (6)
1, a kind of optical resonance cavity with micro-fiber optical loop is characterized in that: make ring junction resonant cavity (3) with low-light fibre (1).
2, a kind of optical resonance cavity with micro-fiber optical loop according to claim 1 is characterized in that: an end of ring junction is light signal input (4), and the other end of ring junction is a light signal output end, light signal output end and conical fiber (2) coupling.
3, a kind of optical resonance cavity with micro-fiber optical loop according to claim 1 is characterized in that: described low-light fibre (1) diameter is 1～5 μ m.
4, a kind of optical resonance cavity with micro-fiber optical loop according to claim 1 is characterized in that: described ring junction resonant cavity (3), its diameter are 50 μ m～10mm.
5, a kind of optical resonance cavity with micro-fiber optical loop according to claim 1 is characterized in that: described ring junction resonant cavity (3) is annular unijunction resonant cavity.
6, a kind of optical resonance cavity with micro-fiber optical loop according to claim 2 is characterized in that: conical fiber (2) is 1～5 μ m with the diameter of the other end coupling unit of the knot that goes in ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620101095 CN2870237Y (en) | 2006-02-20 | 2006-02-20 | Micro-optical-fiber ring knot optical resonance cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620101095 CN2870237Y (en) | 2006-02-20 | 2006-02-20 | Micro-optical-fiber ring knot optical resonance cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2870237Y true CN2870237Y (en) | 2007-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620101095 Expired - Fee Related CN2870237Y (en) | 2006-02-20 | 2006-02-20 | Micro-optical-fiber ring knot optical resonance cavity |
Country Status (1)
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| CN (1) | CN2870237Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100356638C (en) * | 2006-02-20 | 2007-12-19 | 浙江大学 | Optical resonance cavity with micro-fiber optical loop |
| CN100437174C (en) * | 2007-07-30 | 2008-11-26 | 浙江大学 | Metallic rod supported micro optical fiber circular optical resonance cavity |
| CN102012366A (en) * | 2010-11-03 | 2011-04-13 | 北京理工大学 | Zeolite membrane optical fiber resonator-based biochemical sensor |
| CN103682963A (en) * | 2013-11-29 | 2014-03-26 | 华中科技大学 | Tunable multi-wavelength microfiber laser and production method thereof |
| CN105244746A (en) * | 2015-10-26 | 2016-01-13 | 浙江师范大学 | Method for realizing narrow line width laser output |
| CN105319650A (en) * | 2015-12-09 | 2016-02-10 | 深圳市鼎硕同邦科技有限公司 | Full-optical-fiber type multi-wavelength etalon based on micro-nano optical fiber ring and manufacturing method of full-optical-fiber type multi-wavelength etalon |
| CN114370967A (en) * | 2021-12-16 | 2022-04-19 | 之江实验室 | Three-dimensional force sensor based on polymer optical fiber junction and detection method |
-
2006
- 2006-02-20 CN CN 200620101095 patent/CN2870237Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100356638C (en) * | 2006-02-20 | 2007-12-19 | 浙江大学 | Optical resonance cavity with micro-fiber optical loop |
| CN100437174C (en) * | 2007-07-30 | 2008-11-26 | 浙江大学 | Metallic rod supported micro optical fiber circular optical resonance cavity |
| CN102012366A (en) * | 2010-11-03 | 2011-04-13 | 北京理工大学 | Zeolite membrane optical fiber resonator-based biochemical sensor |
| CN103682963A (en) * | 2013-11-29 | 2014-03-26 | 华中科技大学 | Tunable multi-wavelength microfiber laser and production method thereof |
| CN103682963B (en) * | 2013-11-29 | 2016-08-17 | 华中科技大学 | A kind of tunable multi-wavelength micro optical fiber laser instrument and preparation method thereof |
| CN105244746A (en) * | 2015-10-26 | 2016-01-13 | 浙江师范大学 | Method for realizing narrow line width laser output |
| CN105319650A (en) * | 2015-12-09 | 2016-02-10 | 深圳市鼎硕同邦科技有限公司 | Full-optical-fiber type multi-wavelength etalon based on micro-nano optical fiber ring and manufacturing method of full-optical-fiber type multi-wavelength etalon |
| CN114370967A (en) * | 2021-12-16 | 2022-04-19 | 之江实验室 | Three-dimensional force sensor based on polymer optical fiber junction and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |