CN101788697A - Cladding type colloid crystalloid micro-structured fiber and preparation method thereof - Google Patents
Cladding type colloid crystalloid micro-structured fiber and preparation method thereof Download PDFInfo
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- CN101788697A CN101788697A CN 201010112428 CN201010112428A CN101788697A CN 101788697 A CN101788697 A CN 101788697A CN 201010112428 CN201010112428 CN 201010112428 CN 201010112428 A CN201010112428 A CN 201010112428A CN 101788697 A CN101788697 A CN 101788697A
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Abstract
The invention discloses a cladding type colloid crystalloid micro-structured fiber, comprising a fiber core, a cladding and a colloid microballoon layer; wherein the fiber core is located at the center of the cladding, the cladding is coated by the colloid microballoon layer. The preparation method comprises the following steps: a fiber cladding corrode and roughened by HF serves as a cylinder curved-surface substrate, orderly colloid crystalloid is coated on the surface of fiber cladding; then the fiber cladding is sintered, solidified and packaged into the cladding type colloid crystalloid micro-structured fiber. The fiber has photonic bandgap enhancement effect and the cladding colloid crystalloid can makes use of central bandgap wavelength for frequency selection and enjoys narrow frequency band, high precision and changes with the medium at which the cladding colloid crystalloid located, thus being capable of forming a gas detection and wavelength division multiplexing device. In the invention, the colloid microballoon layer is coated on the fiber cladding to form a porous antistructure, central wavelength of reinforced photonic bandgap can be changed, thus achieving the purpose of random frequency selection; in addition, through further development, cheap biological and environmental sensing devices, filters and the like can be formed.
Description
Technical field
The present invention relates to a kind of cladding type colloid crystalloid micro-structured fiber and preparation method thereof.
Background technology
The bandgap structure of photonic crystal is applied to optical fiber have been formed photonic crystal fiber (Photonic CrystalFiber PCF), has claimed microstructured optical fibers again.Adopt ultraviolet sidelights on technology or CO
2The heat shock technology can be write the system photonic crystal fiber grating in PCF.The microstructured optical fibers grating has abundant structures and optical characteristics.Change micropore arrangement, size and dutycycle in the optical fiber, perhaps medium is written into micropore, all can change the optical property of photonic crystal fiber and grating thereof, greatly changed the structure and the performance of Fibre Optical Sensor.But also there are a lot of problems in its cost of manufacture height with the use of docking of ordinary optic fibre.Fig. 1 is its basic structure.
Summary of the invention
Technical matters to be solved by this invention is to overcome the defective that prior art exists, and a kind of cladding type colloid crystalloid micro-structured fiber and preparation method thereof is provided.Purpose is to make a kind of convenience, cheapness, the microstructured optical fibers that energy and present communication optical fiber directly mate.Utilize colloidal crystal photon band gap wave band to be close to reflection fully, the characteristic that the cladding mode that repeatedly is coupled enters fibre core, provide a kind of have only strengthen the photon band gap wave band, its all band scatters out the microstructured optical fibers that weakens rapidly.Simultaneously, this cladding type colloid crystalloid optical fiber is expected to be applied to biology and environmental sensor, wave filter etc.
The inventor finds, makes the photonic crystal of optical region, and chemical method demonstrates bigger superiority, and wherein utilizing the colloidal solid self assembly is a kind of very easy method: synthetic monodispersed colloid micro ball (as silicon dioxide or polystyrene microsphere); Microballoon is assembled, in different substrates, formed three-dimensional order and pile up; Sintering can be controlled intergranular hole simultaneously to increase the physical strength of sample.Method is simple in the particle assembling, and the material range of choice is wide, and spheric grain is easily synthetic, and controllable size, and cost of manufacture is low.Fig. 2 is its basic preparation flow.
Cladding type colloid crystalloid micro-structured fiber of the present invention is made of fibre core, covering and colloid micro ball layer, and it is characterized in that: fibre core is positioned at described cladding center, and covering is wrapped up by described colloid micro ball layer.
The basic ideas of its preparation method are: by being the substrate of cylinder curved face type by the fibre cladding of HF corrosion alligatoring, apply orderly colloidal crystal at its outside surface, be packaged into cladding type colloid crystalloid micro-structured fiber by sintering curing again.Concrete steps are as follows:
A, intercepting one section single-mould fiber divest 2～4cm with the coat at interlude place, clean single-mode fiber with alcohol or acetone, coat is removed, form the single mode bare fibre, and then clean in ultrasonic cleaner with deionized water, back oven dry in nitrogen stream finishes;
B, the single mode bare fibre after will drying vertically insert in the HF acid buffer solution, and cladding surface is corroded alligatoring, and etching time is 5～10 minutes, and cladding surface corrosion alligatoring is more conducive to the coating and the growth of colloid micro ball; Clean in ultrasonic cleaner with deionized water then, back oven dry in nitrogen stream finishes;
C, 35～70 ℃ of bath temperatures, under the condition of humidity 60～80%, adopt the single mode bare fibre covering outside of (self assembly) method that vertically lifts after the corrosion alligatoring to apply colloidal crystal; That is: good single mode bare fibre vertically inserts in the colloid micro ball solution will to corrode alligatoring, and with vertical motion about the single mode bare fibre, its movement velocity is 1～30 little meter per second;
Standing and drying is 10～24 hours under d, the constant temperature; (the corresponding corresponding experiment condition of different colloidal materials)
E, under temperature 600～1100 conditions sintering curing, fix with the thermoplastic sleeve pipe then.
Described HF acid buffer solution, the mass ratio of its component is HF: NH
4F: H
2O=3: 7: 10, NH
4F can slow down the corrosion rate of HF acid, makes covering corrode evenly smoothly.
Described colloid micro ball solution:
Colloidal materials is PS, and PMMA or Silica, mass percent concentration are 2%～8%;
Solvent composition is water and ethanol, the volume ratio of water and ethanol 7: 3;
Colloid micro ball diameter deviation/mean diameter * %＜0.2%.
The preparation method of cladding type colloid crystalloid micro-structured fiber of the present invention, before on the preparation method, having overcome in the preparation colloidal crystal microballoon deposition fast, the uncontrollable shortcoming of the number of plies:
1. under the constant condition of temperature, humidity and vacuum tightness, strengthened the convection current guiding evaporation of colloidal solution, improved the subsidence rate of the speed of solvent evaporation, prolonged colloid micro ball at the residence time of meniscus and the crystallization process of colloidal crystal greater than colloid micro ball;
2. adopt the method that vertically lifts (self assembly), overcome the uncontrollable shortcoming of the number of plies of colloidal crystal, by changing the rate of pulling, the number of plies of colloidal crystal and the speed relation of being inversely proportional to;
Cladding type colloid crystalloid micro-structured fiber of the present invention has photon band gap part enhancement effect, and the covering colloidal crystal can utilize its center band gap wavelength to carry out frequency-selecting, its frequency band is narrow, the precision height, and, can form detection of gas and wavelength division multiplex device with media variations of living in.By applying the colloid micro ball layer at fibre cladding, form the porous antistructure, can change the centre wavelength of the photon band gap of enhancing, reach the purpose of any frequency-selecting, further develop simultaneously and can form cheap biology and environmentally sensitive device, wave filter etc.
Description of drawings
Fig. 1 is existing photonic crystals optical fiber structure synoptic diagram; A, b, c, d are respectively four kinds of different structures.
Fig. 2 is a cladding type colloid crystalloid micro-structured fiber preparation facilities synoptic diagram of the present invention; 2-1: bare fibre, 2-2: colloid micro ball solution, 2-3: water, 2-4: water bath with thermostatic control heating, 2-5: vial, 2-6: fibre holder, 2-7: adhesive tape, 2-8: stepper motor.
Fig. 3 is the synoptic diagram of preparation method's process of cladding type colloid crystalloid micro-structured fiber of the present invention; (3-1: vial, 3-2: colloid micro ball solution, 3-3: colloid micro ball, 3-4: colloid micro ball solution planum semilunatum, 3-5: microballoon gravity, 3-6: microballoon cohesion, 3-7: hydrodynamic shear.
Fig. 4 is a cladding type colloid crystalloid micro-structured fiber structural representation of the present invention; Fig. 4 a is a sectional view, and Fig. 4 b is a longitudinal sectional drawing; Wherein: 4-1: colloid micro ball layer, 4-2: covering, 4-3: fibre core.
Fig. 5 is the transmitted light spectrogram of cladding type colloid crystalloid micro-structured fiber; Wherein: 1 for divesting the optical fiber transmitted spectrum behind the coat; 2 are be corroded optical fiber transmitted spectrum after the alligatoring of covering; 3 is the cladding type colloid crystalloid micro-structured fiber transmitted spectrum.
Embodiment
Below in conjunction with drawings and Examples, the present invention is elaborated.
General single mode fiber about a, one section 20cm of intercepting divests about 2～4cm with the coat in centre position, cleans optical fiber with alcohol or acetone, to guarantee that coat is removed fully, forms the single mode bare fibre.And then clean in ultrasonic cleaner with deionized water, back oven dry in nitrogen stream finishes.
B, outfit HF acid buffer solution, its constituent mass number percent is HF: NH
4F: H
2O=3: 7: 10, NH
4F can slow down the corrosion rate of HF acid, makes covering corrode evenly smoothly.
C, the single mode bare fibre after will drying vertically insert in the HF acid buffer solution, and covering is by the HF acid corrosion, and etching time is 5～10 minutes, and the surface corrosion alligatoring is more conducive to the coating and the growth of colloid micro ball.And then clean in ultrasonic cleaner with deionized water, back oven dry in nitrogen stream finishes.
D, preparation colloid micro ball solution:
Colloidal materials is PS, and PMMA or Silica, mass percent concentration are 2%～8%;
Solvent composition is water and ethanol, the volume ratio of water and ethanol 7: 3;
Colloid micro ball diameter deviation/mean diameter * %＜0.2%.
E, will corrode vertical insertion of the good single mode bare fibre of alligatoring and fill in the vial of colloid micro ball solution, the upper end of single mode bare fibre is fixed in the fiber grooves of clamper, clamper is by vertical motion about the step motor control, speed is 1～30 little meter per second, adopts the single mode bare fibre covering outside of (self assembly) method that vertically lifts after the corrosion alligatoring to apply colloidal crystal.Whole device places drying box, and temperature is 35～70 ℃, and relative humidity is 60～80%.(the corresponding corresponding experiment condition of different colloidal materials)
Left standstill under the constant temperature 10～24 hours.
G, under 600～1100 ℃ of conditions of temperature, carry out sintering curing again, fix with the thermoplastic sleeve pipe then, form cladding type colloid crystalloid micro-structured fiber.
Claims (4)
1. a cladding type colloid crystalloid micro-structured fiber is made of fibre core, covering and colloid micro ball layer, and it is characterized in that: fibre core is positioned at described cladding center, and covering is wrapped up by described colloid micro ball layer.
2. preparation method who prepares the described cladding type colloid crystalloid micro-structured fiber of claim 1, concrete steps are as follows:
A, intercepting one section single-mould fiber, the coat that the centre is located divests 2～4cm, cleans single-mode fiber with alcohol or acetone, coat is removed, form the single mode bare fibre, and then clean in ultrasonic cleaner with deionized water, back oven dry in nitrogen stream finishes;
B, the single mode bare fibre after will drying vertically insert in the HF acid buffer solution, and cladding surface is corroded alligatoring, and etching time is 5～10 minutes; Clean in ultrasonic cleaner with deionized water then, back oven dry in nitrogen stream finishes;
C, 35～70 ℃ of bath temperatures, under the condition of humidity 60～80%, adopt vertical czochralski method to apply colloidal crystal in the single mode bare fibre covering outside of corrosion after the alligatoring; That is: good single mode bare fibre vertically inserts in the colloid micro ball solution will to corrode alligatoring, and with vertical motion about the single mode bare fibre, its movement velocity is 1～30 little meter per second;
Standing and drying is 10～24 hours under d, the constant temperature;
E, under temperature 600～1100 conditions sintering curing, fix with the thermoplastic sleeve pipe then.
3. according to the described a kind of preparation method who prepares the described cladding type colloid crystalloid micro-structured fiber of claim 1 of claim 2, it is characterized in that: described HF acid buffer solution, the mass ratio of its component is HF: NH
4F: H
2O=3: 7: 10.
4. according to the described a kind of preparation method who prepares the described cladding type colloid crystalloid micro-structured fiber of claim 1 of claim 2, it is characterized in that:
Described colloid micro ball solution:
Colloidal materials is PS, PMMA or Silica, and mass percent concentration is 2%～8%;
Solvent composition is water and ethanol, the volume ratio of water and ethanol 7: 3;
Colloid micro ball diameter deviation/mean diameter * %＜0.2%.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942700A (en) * | 2010-10-20 | 2011-01-12 | 南京师范大学 | Method for preparing circular cylindrical colloidal crystals based on optical fibers and crystals thereof |
| CN102645237A (en) * | 2012-05-03 | 2012-08-22 | 浙江大学 | Method and device for manufacturing low-loss micro-nanometer fiber bragg grating sensor in chemical corrosion method |
| CN102995118A (en) * | 2012-12-05 | 2013-03-27 | 河南科技大学 | Method for preparing D type optical fiber colloidal crystal micro-nano structure |
| CN103569954A (en) * | 2013-11-12 | 2014-02-12 | 无锡英普林纳米科技有限公司 | Method for preparing micron submicron reaction vessel array |
| CN103569955A (en) * | 2013-11-12 | 2014-02-12 | 无锡英普林纳米科技有限公司 | Method for preparing colloidal microsphere column array |
| CN104820260A (en) * | 2015-04-30 | 2015-08-05 | 暨南大学 | Three-dimensional photonic crystal fiber and preparation method thereof |
| CN104865641A (en) * | 2015-05-27 | 2015-08-26 | 江苏亨通光纤科技有限公司 | Device for removing polyimide-coated optical fiber external coating layer and method thereof |
| CN106495090A (en) * | 2016-11-24 | 2017-03-15 | 天津城建大学 | The method that conical fiber surface prepares colloid monolayer spherical array array structure |
| WO2017128282A1 (en) * | 2016-01-29 | 2017-08-03 | The Procter & Gamble Company | Iridescent article |
| CN107132611A (en) * | 2017-05-19 | 2017-09-05 | 东北大学 | A kind of medium silicon nano autodeposition coatings optical fiber and preparation method thereof |
| CN108796604A (en) * | 2017-05-03 | 2018-11-13 | 中国科学院化学研究所 | A kind of colloidal photon crystal and preparation method thereof with curved-surface structure |
Citations (2)
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| CN101349779A (en) * | 2008-09-04 | 2009-01-21 | 南京师范大学 | Fiber core type colloid crystal microstructure optical fiber and preparation method thereof |
| CN101392407A (en) * | 2008-10-07 | 2009-03-25 | 南京师范大学 | Method for preparing cylinder hollow macroporous ordered colloidal crystal |
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2010
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| CN101349779A (en) * | 2008-09-04 | 2009-01-21 | 南京师范大学 | Fiber core type colloid crystal microstructure optical fiber and preparation method thereof |
| CN101392407A (en) * | 2008-10-07 | 2009-03-25 | 南京师范大学 | Method for preparing cylinder hollow macroporous ordered colloidal crystal |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101942700A (en) * | 2010-10-20 | 2011-01-12 | 南京师范大学 | Method for preparing circular cylindrical colloidal crystals based on optical fibers and crystals thereof |
| CN102645237A (en) * | 2012-05-03 | 2012-08-22 | 浙江大学 | Method and device for manufacturing low-loss micro-nanometer fiber bragg grating sensor in chemical corrosion method |
| CN102995118A (en) * | 2012-12-05 | 2013-03-27 | 河南科技大学 | Method for preparing D type optical fiber colloidal crystal micro-nano structure |
| CN102995118B (en) * | 2012-12-05 | 2015-07-22 | 河南科技大学 | Method for preparing D type optical fiber colloidal crystal micro-nano structure |
| CN103569955B (en) * | 2013-11-12 | 2016-01-20 | 无锡英普林纳米科技有限公司 | The preparation method of colloid micro ball post array |
| CN103569954A (en) * | 2013-11-12 | 2014-02-12 | 无锡英普林纳米科技有限公司 | Method for preparing micron submicron reaction vessel array |
| CN103569955A (en) * | 2013-11-12 | 2014-02-12 | 无锡英普林纳米科技有限公司 | Method for preparing colloidal microsphere column array |
| CN104820260A (en) * | 2015-04-30 | 2015-08-05 | 暨南大学 | Three-dimensional photonic crystal fiber and preparation method thereof |
| CN104820260B (en) * | 2015-04-30 | 2018-02-02 | 暨南大学 | A kind of three-D photon crystal optical fiber and preparation method thereof |
| CN104865641A (en) * | 2015-05-27 | 2015-08-26 | 江苏亨通光纤科技有限公司 | Device for removing polyimide-coated optical fiber external coating layer and method thereof |
| CN104865641B (en) * | 2015-05-27 | 2018-08-03 | 江苏亨通光纤科技有限公司 | A kind of device and method of removal polyimide coated optical fiber external coating |
| WO2017128282A1 (en) * | 2016-01-29 | 2017-08-03 | The Procter & Gamble Company | Iridescent article |
| CN106495090A (en) * | 2016-11-24 | 2017-03-15 | 天津城建大学 | The method that conical fiber surface prepares colloid monolayer spherical array array structure |
| CN108796604A (en) * | 2017-05-03 | 2018-11-13 | 中国科学院化学研究所 | A kind of colloidal photon crystal and preparation method thereof with curved-surface structure |
| CN107132611A (en) * | 2017-05-19 | 2017-09-05 | 东北大学 | A kind of medium silicon nano autodeposition coatings optical fiber and preparation method thereof |
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Application publication date: 20100728 |