CN104085852B - A kind of many rings micro-nano fiber resonator preparation facilities and preparation method thereof - Google Patents
A kind of many rings micro-nano fiber resonator preparation facilities and preparation method thereof Download PDFInfo
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- CN104085852B CN104085852B CN201410326803.6A CN201410326803A CN104085852B CN 104085852 B CN104085852 B CN 104085852B CN 201410326803 A CN201410326803 A CN 201410326803A CN 104085852 B CN104085852 B CN 104085852B
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Abstract
A kind of many rings micro-nano fiber resonator preparation facilities and preparation method thereof, relates to the preparation of fiber resonance cavity.Described preparation facilities is provided with syringe pump, syringe, injection needle, resonator substrate, XY motion platform, computer and high voltage source.Described preparation method: solution is poured into syringe and sets the liquid supply speed of syringe pump, drop appears in the most advanced and sophisticated place of injection needle subsequently; Resonator substrate is fixed on XY motion platform, adjusts the vertical distance of tip to resonator substrate of injection needle; Open high voltage source, setting voltage output valve, the drop at injection needle place forms taylor cone and produces jet under electrostatic field, on the tinfoil of the XY motion platform of jet deposition immediately below the needle point of injection needle; By computer control XY motion platform, the substrate of drive resonator immediately below injection needle, namely forms many rings micro-nano fiber resonator of many rings cascaded structure with the point-to-point speed of the XY motion platform of setting in resonator substrate.
Description
Technical field
The present invention relates to the preparation of fiber resonance cavity, especially relate to a kind of many rings micro-nano fiber resonator preparation facilities and preparation method thereof.
Background technology
Integrated, the microminiaturized important research direction having become photonics development of photonic device.The progress of micro-nano fiber technology, makes the advantage based on the sensor of micro-nano fiber be excavated.Micro-nano fiber is utilized to realize ring resonator function, not only there is good resonance effect, and there is the features such as controlled FSR (Free Spectral Range), high Q value (quality factor) and desirable extinction ratio, micro-nano fiber ring resonator therefore can be utilized to prepare laser instrument, optical filter, mini optical fibre sensor device.
Current making micro-nano fiber resonator needs to draw micro-nano fiber in advance, then makes resonator by hand.Drawing the easier method of micro-nano fiber is the two step pulling methods that the virgin favorable to the people teach problem group of Zhejiang University proposed in 2003, utilizes the mode of flame or LASER HEATING in two steps single-mode fiber to be drawn into the optical fiber of nanometer scale.The micro-nano fiber diameter utilizing two step pulling methods to prepare is minimum can reach 50nm, and there is good uniform diameter degree and surface quality, but this method needs skilled preparation gimmick, the shake of flame, the disturbance of air all can impact micro-nano fiber quality.After obtaining micro-nano fiber, also need, without under the environment of air agitation, to utilize probe manufacturing resonator, this needs again good operative skill and harsh production environment, and the faint shake of probe also can fracture micro-nano fiber.So, make micro-nano fiber resonator at present more difficult, be also in laboratory stage.
Summary of the invention
The object of this invention is to provide can effectively overcome in prior art prepare micro-nano fiber resonator complex procedures, one many rings micro-nano fiber resonator preparation facilities of needing the shortcomings such as the production environment of good operative skill and harshness and preparation method thereof.
Described many rings micro-nano fiber resonator preparation facilities is provided with syringe pump, syringe, injection needle, resonator substrate, XY motion platform, computer and high voltage source; Described syringe is located in syringe pump, and syringe pump pushing syringe, releases injection needle by spinning solution from syringe; XY motion platform is located at below injection needle, and resonator substrate to be fixed on XY motion platform and to be moved with XY motion platform, and XY motion platform is connected with computer, the motion state of computer control XY motion platform; High voltage source is electrically connected with injection needle, resonator substrate ground connection.
The preparation method of described many rings micro-nano fiber resonator adopts described many rings micro-nano fiber resonator preparation facilities, comprises the following steps:
Solution is poured into syringe and sets the liquid supply speed of syringe pump by step 1., and drop appears in the most advanced and sophisticated place of injection needle subsequently;
Resonator substrate is fixed on XY motion platform by step 2., adjusts the vertical distance of tip to resonator substrate of injection needle;
Step 3. opens high voltage source, setting voltage output valve, and the drop at injection needle place forms taylor cone and produces jet under electrostatic field, on the tinfoil of the XY motion platform of jet deposition immediately below the needle point of injection needle;
Step 4. is by computer control XY motion platform, the substrate of drive resonator immediately below injection needle, namely forms many rings micro-nano fiber resonator of many rings (Loop) cascaded structure with the point-to-point speed of the XY motion platform of setting in resonator substrate.
In step 1, described solution can adopt the micro-nano optical fiber of the solutes such as PMMA, PS to prepare solution; Described syringe can select the injector for medical purpose of 2ml, 5ml equal-specification; Described injection needle internal diameter can be 0.06 ~ 1.2mm; The liquid supply speed scope of described syringe pump can be 20 ~ 300 μ l/h.
In step 2, move based on electrostatic spinning jet whip the principle that different phase has a different deposition morphology realize preparing micro-nano fiber resonator because adopt, the tip of described injection needle can be 2 ~ 10mm to the vertical distance of resonator substrate, this vertical distance can not be too large, otherwise resonator substrate there will be the fiber of a large amount of unordered deposition; Vertical distance can not be too little, otherwise in resonator substrate by directly writing out linear pattern optical fiber, there will not be cavity resonator structure; The substrate of described resonator substrate preferred fluorinated magnesium.
In step 3, described voltage output value can be 1 ~ 5kV; In initialization or when starting working, injection needle does not face resonator substrate, before opening high voltage source, can in advance by injection needle facing to the tinfoil (tinfoil ground connection) being laid on XY motion platform, before unlatching XY motion platform is prepared resonator, on tinfoil, carry out tentatively spray printing in advance, when after the stable process conditions such as voltage, feed flow, then open XY motion platform and resonator substrate is sent to carries out spray printing below injection needle, prepare resonator.
In step 4, the point-to-point speed of described XY motion platform can be 10 ~ 80mm/s.
Because the present invention adopts technique scheme, therefore there is following technique effect:
1) simple, the experimental procedure of equipment easily operates;
2) do not need to make micro-nano fiber in advance, do not need to make resonator ring junction by hand yet, save and prepare the loaded down with trivial details step of micro-nano fiber resonator in the past, resonator can be prepared quickly and easily;
3) directly can form the Loop type resonator of many rings series connection in substrate, the lap of the shape of each resonator, size, coupling regime is highly consistent;
4) can the translational speed of control XY motion platform, injection needle tip to electrospinning processes parameters such as the vertical distance of resonator substrate, electric-field intensity and liquid supply speeds, improve the controllability of the micro-nano fiber resonance cavity of preparation further.
5) the present invention can utilize electrostatic spinning technique in substrate, directly produce the micro-nano fiber resonator of many rings cascaded structure.Do not need to make micro-nano fiber in advance, do not need to make resonator ring junction by hand yet, save in prior art and prepare the loaded down with trivial details step of micro-nano fiber resonator, thus prepare resonator fast, easily.Directly can also form the Loop type resonator of many rings series connection in substrate, the lap of the shape of each resonator, size, coupling regime is highly consistent.
Accompanying drawing explanation
Fig. 1 is many rings micro-nano fiber resonator preparation facilities example structure of the present invention composition schematic diagram.
Fig. 2 is the many rings micro-nano fiber resonator schematic diagram prepared in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth content of the present invention further.Should be understood that embodiment is only not used in for illustration of the present invention to limit the scope of the invention.
See Fig. 1 and 2, many rings micro-nano fiber resonator preparation facilities embodiment of the present invention is provided with syringe pump 7, syringe 6, injection needle 5, resonator substrate 8, XY motion platform 1, computer 3 and high voltage source 4; Described syringe 6 is located in syringe pump 7, and syringe pump 7 pushing syringe 6, releases injection needle 5 by spinning solution from syringe 6; XY motion platform 1 is located at below injection needle 5, and resonator substrate 8 to be fixed on XY motion platform 1 and to be moved with XY motion platform 1, and XY motion platform 1 is connected with computer 3, the motion state of computer 3 control XY motion platform 1; High voltage source 4 is electrically connected with injection needle 5, resonator substrate 8 ground connection.
The preparation method of described many rings micro-nano fiber resonator adopts described many rings micro-nano fiber resonator preparation facilities, comprises the following steps:
Solution is poured into syringe 6 and sets the liquid supply speed of syringe pump 7 by step 1., and drop appears in the most advanced and sophisticated place of injection needle 5 subsequently; Described solution can adopt the micro-nano optical fiber of the solutes such as PMMA, PS to prepare solution; Described syringe can select the injector for medical purpose of 2ml, 5ml equal-specification; Described injection needle internal diameter can be 0.06 ~ 1.2mm; The liquid supply speed scope of described syringe pump can be 20 ~ 300 μ l/h.
Resonator substrate 8 is fixed on XY motion platform 1 by step 2., adjusts the vertical distance of tip to resonator substrate 8 of injection needle 5; Move based on electrostatic spinning jet whip the principle that different phase has a different deposition morphology realize preparing micro-nano fiber resonator because adopt, the tip of described injection needle can be 2 ~ 10mm to the vertical distance of resonator substrate, this vertical distance can not be too large, otherwise resonator substrate there will be the fiber of a large amount of unordered deposition; Vertical distance can not be too little, otherwise in resonator substrate by directly writing out linear pattern optical fiber, there will not be cavity resonator structure; The substrate of described resonator substrate preferred fluorinated magnesium.
Step 3. opens high voltage source 4, setting voltage output valve, and the drop at injection needle 5 place forms taylor cone and produces jet under electrostatic field, on the tinfoil of the XY motion platform 1 of jet deposition immediately below the needle point of injection needle 5; Described voltage output value can be 1 ~ 5kV; In initialization or when starting working, injection needle does not face resonator substrate, before opening high voltage source, can in advance by injection needle facing to the tinfoil (tinfoil ground connection) being laid on XY motion platform, before unlatching XY motion platform is prepared resonator, on tinfoil, carry out tentatively spray printing in advance, when after the stable process conditions such as voltage, feed flow, then open XY motion platform and resonator substrate is sent to carries out spray printing below injection needle, prepare resonator.
Step 4. is by computer 3 control XY motion platform 1, drive resonator substrate 8 immediately below injection needle 5, namely forms many rings micro-nano fiber resonator of many rings (Loop) cascaded structure with the point-to-point speed of the XY motion platform 1 of setting in resonator substrate 8.The point-to-point speed of described XY motion platform can be 10 ~ 80mm/s.
Below provide specific embodiment.
The present embodiment employing concentration is the PMMA solution of 20%, and solute is PMMA, and solvent is DMF and chloroform (both mass ratioes are 1: 2), and concrete steps are as follows:
Spinning solution is poured into 2ml syringe 6 by step 1., selects the injection needle 5 of internal diameter 0.16mm, if the liquid supply speed of syringe pump 7 is 150 μ l/h, now stable drop appears in injection needle 5 tip place;
Resonator substrate 8 is placed by step 2., be fixed on XY motion platform 1, and to adjust the most advanced and sophisticated vertical distance to resonator substrate 8 of injection needle 5 be 3mm;
After step 3. feed flow is stable, open high voltage source 4, setting voltage output valve is 3.0kV, and the drop at injection needle 5 tip place forms taylor cone under electrostatic field, is deposited on the tinfoil of the XY motion platform 1 immediately below needle point;
Step 4., by computer 3 control XY motion platform 1, makes resonator substrate 8 with the speed of 20mm/s immediately below injection needle 5, now, resonator substrate 8 forms the Loop type micro-nano fiber resonator 2 of many rings cascaded structure as shown in Figure 2.
Claims (9)
1. the preparation method of the resonator of ring micro-nano fiber more than a kind, it is characterized in that adopting many rings micro-nano fiber resonator preparation facilities, described preparation facilities is provided with syringe pump, syringe, injection needle, resonator substrate, XY motion platform, computer and high voltage source; Described syringe is located in syringe pump, and syringe pump pushing syringe, releases injection needle by spinning solution from syringe; XY motion platform is located at below injection needle, and resonator substrate to be fixed on XY motion platform and to be moved with XY motion platform, and XY motion platform is connected with computer, the motion state of computer control XY motion platform; High voltage source is electrically connected with injection needle, resonator substrate ground connection;
Described preparation method comprises the following steps:
Solution is poured into syringe and sets the liquid supply speed of syringe pump by step 1., and drop appears in the most advanced and sophisticated place of injection needle subsequently;
Resonator substrate is fixed on XY motion platform by step 2., adjusts the vertical distance of tip to resonator substrate of injection needle;
Step 3. opens high voltage source, setting voltage output valve, and the drop at injection needle place forms taylor cone and produces jet under electrostatic field, on the tinfoil of the XY motion platform of jet deposition immediately below the needle point of injection needle;
Step 4. is by computer control XY motion platform, and the substrate of drive resonator immediately below injection needle, namely forms many rings micro-nano fiber resonator of many rings cascaded structure with the point-to-point speed of the XY motion platform of setting in resonator substrate.
2. the preparation method of a kind of many rings micro-nano fiber resonator as claimed in claim 1, is characterized in that in step 1, and described solution adopts the micro-nano optical fiber of PMMA or PS solute to prepare solution.
3. the preparation method of a kind of many rings micro-nano fiber resonator as claimed in claim 1, is characterized in that in step 1, and described syringe selects specification to be the injector for medical purpose of 2ml or 5ml.
4. the preparation method of a kind of many rings micro-nano fiber resonator as claimed in claim 1, it is characterized in that in step 1, described injection needle internal diameter is 0.06 ~ 1.2mm.
5. the preparation method of a kind of many rings micro-nano fiber resonator as claimed in claim 1, it is characterized in that in step 1, the liquid supply speed scope of described syringe pump is 20 ~ 300 μ l/h.
6. the preparation method of a kind of many rings micro-nano fiber resonator as claimed in claim 1, is characterized in that in step 2, and the tip of described injection needle is 2 ~ 10mm to the vertical distance of resonator substrate.
7. the preparation method of a kind of many rings micro-nano fiber resonator as claimed in claim 1, it is characterized in that in step 2, described resonator substrate is magnesium fluoride substrate.
8. the preparation method of a kind of many rings micro-nano fiber resonator as claimed in claim 1, it is characterized in that in step 3, described voltage output value is 1 ~ 5kV; In initialization or when starting working, injection needle does not face resonator substrate, before opening high voltage source, in advance by injection needle facing to the tinfoil being laid on XY motion platform, tinfoil ground connection, before unlatching XY motion platform is prepared resonator, carries out tentatively spray printing in advance on tinfoil, when after voltage, feed flow stable process conditions, then open XY motion platform and resonator substrate is sent to carries out spray printing below injection needle, prepare resonator.
9. the preparation method of a kind of many rings micro-nano fiber resonator as claimed in claim 1, it is characterized in that in step 4, the point-to-point speed of described XY motion platform is 10 ~ 80mm/s.
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| CN107632346B (en) * | 2017-09-28 | 2020-04-24 | 厦门大学 | Method for manufacturing microsphere resonant cavity based on electrohydrodynamic jet printing |
| CN107462949B (en) * | 2017-09-28 | 2019-04-30 | 厦门大学 | A kind of Helical Fiber grating manufacturing device and its manufacturing method |
| CN109212671A (en) * | 2018-10-25 | 2019-01-15 | 苏州凯文堡尼光电科技有限公司 | A kind of light Interleaver and preparation method thereof based on micro-nano fiber junction type resonator |
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