CN109782389A - A kind of retractable high temperature optical fiber micromachining device - Google Patents
A kind of retractable high temperature optical fiber micromachining device Download PDFInfo
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- CN109782389A CN109782389A CN201811651022.9A CN201811651022A CN109782389A CN 109782389 A CN109782389 A CN 109782389A CN 201811651022 A CN201811651022 A CN 201811651022A CN 109782389 A CN109782389 A CN 109782389A
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- Prior art keywords
- heating
- optical fiber
- electrode
- cooling
- sliding block
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Abstract
The present invention is to provide a kind of retractable high temperature optical fiber micromachining devices, are assembled by heating part, cooling of electrode part, folding control part.It is characterized in that heating part is made of the two blocks of heating bars separated, two pieces of heating bar docking splits form bottoming hole；Folding control part is made of sliding rail, sliding block, extension spring, for controlling the unlatching and closure of bottoming hole, avoids being easy to produce fibre-optical bending and fracture when being placed and taken out optical fiber through high-temperature heating hole.In addition, control two pieces heating bar bottoming holes unlatchings and be closed can be achieved bottoming hole be rapidly heated and fast cooling.The present invention is suitable for optical fiber and the small linear material of fiber dimensions heats high-temperature process, can be widely applied to optical fiber thermal diffusion, optical fibre microlens, Helical Fiber preparation, belongs to novel optical fiber micro-structure preparation field.
Description
(1) technical field
The present invention relates to a kind of retractable high temperature optical fiber micromachining device, the present invention is suitable for optical fiber and fiber optic ruler
Small linear material heating high-temperature process is spent, optical fiber thermal diffusion, optical fibre microlens, Helical Fiber preparation is can be widely applied to, belongs to
In novel optical fiber micro-structure preparation field.
(2) background technique
With the development of science and technology miniaturization of components, integrated level is high, and functional becomes the important directions of future development.It is micro-
Optical element is exactly optical element miniaturization, a kind of integrated Typical Representative device.Traditional optical device is gradually by light
Fine microcomponent substitution, such as optical fibre microlens, heat diffusion optical fiber, Helical Fiber etc..To solve fiber spiral, cone, thermal diffusion etc. are drawn
Problem scientific research personnel devises a variety of devices, but micro optical fiber element preparation facilities on the market has a single function in the presence of structure is complicated,
The problems such as utilization ratio of device is low.
In the patent of publication number 104816218B, " a kind of lens fiber automatically makes to be set the preparation facilities of optical fiber lens
It is standby " in propose, i.e., fiber optic tip is processed into required lenticular using rubbing down wheel, this method cannot achieve in inside of optical fibre system
Make lenticule.Expand the device of fibre-optic mode field diameter in Publication No.
It is proposed in 1002075 patent " preparation method and its device of heat diffusion optical fiber ", i.e., with optical fiber heater to being fixed on
The fiber array of fixture is heated, and is reached each optical fiber by moving fiber array and is realized thermal diffusion, this method is easily led to
Optical fiber is led to fibercuts by airflow influence when moving, and this method is primarily to realize optical fiber thermal diffusion, but precision is too low
And the device may be only available for Laboratory Production, cannot achieve large-scale production.The preparation method of the optical fiber of micro-nano is open
Number for 107473581A patent " optical fiber prick-drawing device and method " in propose, i.e., by optical fiber pass through heating furnace, thermal region to be added
Optical fiber reach under molten condition, both ends apply force to realize draw cone.This method does not consider the light of heating region after heating
Fine diameter becomes smaller, and optical fiber is easily bent or fractures when interspersed.The production method of optical fiber lens is Publication No. 106199835A's
It is proposed in patent " a kind of optical fiber lens production method and optical fiber lens ", i.e., optical fiber is etched to form receiving with hydrofluoric acid solution
Slot, then fill optical material into holding tank and realize optical fiber lens preparation.This method process is cumbersome, and precision is unable to control and hydrogen
Fluorspar acid solution is harmful to the human body.
(3) summary of the invention
The technical problem to be solved by the present invention is to provide a kind of retractable in view of the deficiency of the prior art
High temperature optical fiber micromachining device.
A kind of retractable high temperature optical fiber micromachining device.It is characterized in that: it is by heating part, cooling of electrode part, folding
Control section assembles.The heating part is made of the two blocks of heating bars separated, and two blocks of heating bars dock split
When formed 2mm-5mm the micro- heating duct of optical fiber.Two blocks of heating bars, electrode cooling system, sliding-rail sliding open-close system composition.
The other end of two blocks of heating bars, which is respectively symmetrically fixed among the electrode of electrode cooling system and has with electrode, well to be contacted, electricity
Two fixing ends that pole passes through the cooling heating bar of cooling system；Folding control part is made of sliding rail, sliding block, extension spring,
For controlling the unlatching and closure of bottoming hole.
Preferably, the heating device uses electrical resistance heating, is generated using the Joule effect that electric current flows through conductor
The method that thermal energy is electrically heated optical fiber.
Further, the heating bar can be molybdenum disilicide, be also possible to the molybdenum disilicide doped with tungsten metal
Material.
Preferably, one end of described two blocks heating bars has identical symmetrical half pore structure, and the two capable assembling is simultaneously good
Good contact, forms " O " the type heating zone an of high resistance, is somebody's turn to do the temperature of " O " type heating region by heating bar both end voltage
Size variation control, the temperature of " O " type heating region reach as high as 1700 DEG C, can be used for optical fibre high temp micro Process.Two pieces of heating
The other end of bar is coated with conductive coating, to minimize connection resistance, slows down oxidation.
Preferably, the electrode cooling system has a pair of of copper electrodes, and fixed heating bar is prepared on electrode
Duct forms good contact with heating bar；Electrode middle preparation has cooling duct, is used for electrode and heating rod connecting portion
Cool；Electrode bottom end is connected with copper connecting terminal, the connection for conducting wire and copper electrodes.
Preferably, the described sliding block sliding rail open-close system tool is there are two the sliding block and a sliding rail of same size, sliding block by
Insulating materials is made, and centre has hole, connects electrode on sliding block, under connect sliding rail, middle preparation has through-hole, for central conductor
It hides.
Preferably, two sliding block sides of the sliding block sliding rail open-close system are connected by spring, can be by controlling spring
Pulling force to control two pieces of heating bars closeness of contact in its natural state, in addition can be by mobile one end sliding block, to control
The unlatching and closure of system heating bar bottoming hole, facilitate being put into and taking out for optical fiber.
Preferably, the internal diameter of the calandria is round, and the temperature field in circular configuration is more stable.
Preferably, the internal diameter of the heating bar bottoming hole is 2~5mm, is experimentally confirmed the internal diameter of heating bar
When more than 5mm, optical fiber is adhered on heating bar vulnerable to airflow influence.
Preferably, the heating bar mainly uses molybdenum disilicide material, the high-temperature oxidation resistant that molybdenum disilicide has had
Property, lower thermal expansion coefficient (8.1 × 10-6K-1), good electric heating conductibility；Higher brittle-ductile transition temperature (1000 DEG C)
There is the hard brittleness as ceramics below.
Further, the adjustable range of temperature is 500-1700 DEG C in the heating bar bottoming hole.
Further, the cooling duct uses liquid cooling medium mode, such as coolant liquid, pure water.
Further, the heating device can smear conductive coating or package aluminium in the contact position of heating bar and electrode
Foil paper increases conductive area.
Compared with prior art, the invention has the advantages that:
The micro- heating device of retractable optical fiber of the present invention can realize that two heating bars add by adjusting couple axle
The folding of hot hole when optical fiber being avoided to intert, fibre-optical bending or fractures.
The micro- heating device structure of retractable optical fiber of the present invention is simple, and oxidation resistance is strong.
The micro- heating device of retractable optical fiber of the present invention can long-time heating, and optical fiber heating region be millimeter amount
Grade.
The micro- heating device structure of retractable optical fiber of the present invention is simple, and manufacturing cost is low, and function is more, economic benefit
It is high.
(4) Detailed description of the invention
Fig. 1 is the structural schematic diagram of the micro- heating device of retractable optical fiber.
Fig. 2 is the structural schematic diagram of electrode
Fig. 3 is taper heating bar to A, and two sections heat semicircular in shape section among bar, and two sides are whittled into cone-shaped.
Fig. 4 is arc heating bar to B, and two sections heat semicircular in shape section among bar, and two sides are whittled into arc shape.
Fig. 5 is arc heating bar when voltage is 0.6V, to heat bar center as origin, in X-direction hole inner shaft
To thermo parameters method curve, it can be seen that in central area, thermo parameters method keeps stablizing.
Fig. 6 is taper heating bar when voltage is 0.6V, to heat bar center as origin, in X-direction hole inner shaft
To thermo parameters method curve, it can be seen that in central area, thermo parameters method keeps stablizing.
1-electrode pair, 2-heating bars pair, 3-optical fiber bottoming holes, 4-sliding block sliding rails, 5-sliding rails, 6-cable trunkings, 7-
Extension spring, 8-couple axles, 9-conduits, 10-water inlet pipes, 11-outlet pipes, 12-fastening thread holes.
(5) specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The embodiment of the present invention discloses a kind of retractable high temperature optical fiber micromachining device.
As shown in Figure 1, a kind of retractable high temperature optical fiber micromachining device, is controlled by heating part, cooling of electrode part, folding
System part assembles, and heating bar is separately fixed on copper electrodes two sides, and extension spring shaft is embedded in pinboard, cooling
Pipe is divided into the circular through hole and external polytetrafluoroethylene (PTFE) water pipe being built in heating bar.The fiber clamp is carried out quasi-
Directly, the couple axle on adjustment base makes calandria be maintained at open state, and optical fiber (needing to remove coat) to be processed is put
Enter bottoming hole center, naked fibre both ends are fixed with fiber clamp, are maintained at optical fiber under tense situation.It is heated by couple axle fine tuning
Position between bar is closed completely it.It is passed through coolant liquid or pure water to cooling tube, while applying 0.6V to heating bar
Voltage, molybdenum disilicide heating rod reaches 1500 DEG C in a relatively short period of time, can carry out drawing cone, thermal diffusion and spiral to optical fiber,
After the completion of optical fiber micro Process, facilitate extractions by controlling extension spring, is occurred bending etc. by external force when preventing optical fiber interspersed and show
As.
It is heated at 1500 DEG C after ten minutes, the dopant in fibre core is spread to covering, is stopped heating and is removed optical fiber, surveys
Fibre-optic mode field diameter discovery is measured, compared with unheated optical fiber, mode field diameter obviously expands the optical fiber after heating.
Claims (6)
1. a kind of retractable high temperature optical fiber micromachining device.It is characterized in that: it is controlled by heating part, cooling of electrode part, folding
System part assembles.The heating part is made of the two blocks of heating bars separated, when two blocks of heating bars dock split
Form the micro- heating duct of optical fiber；The other end of two blocks of heating bars is respectively symmetrically fixed among the electrode of electrode cooling system simultaneously
Have with electrode and well contacts, two fixing ends that electrode passes through the cooling heating bar of cooling system；Folding control part by sliding rail,
Sliding block, extension spring composition, for controlling the unlatching and closure of bottoming hole.
2. a kind of retractable high temperature optical fiber micromachining device according to claim 1.It is characterized in that: the heating bar can
To be molybdenum disilicide, it is also possible to the molybdenum disilicide material doped with tungsten metal.
3. a kind of retractable high temperature optical fiber micromachining device according to claim 1.It is characterized in that: described two pieces are heated
One end of bar has identical symmetrical half pore structure, and the two capable assembling simultaneously well contacts, and forms the pass of a high resistance
The temperature of heating zone, the heating region is controlled by heating bar both end voltage size variation, " the temperature in pass heating region hole
1700 DEG C are reached as high as, can be used for optical fibre high temp micro Process.The other end of two blocks of heating bars is coated with conductive coating, to subtract as far as possible
Small connection resistance, slows down oxidation.
4. a kind of retractable high temperature optical fiber micromachining device according to claim 1.It is characterized in that: the cooling of electrode
System has the electrode of a pair of of metal material, and the duct of fixed heating bar is prepared on electrode, is formed well with heating bar
Contact；Electrode middle preparation has cooling duct, for cooling for electrode and heating rod connecting portion；The connection of electrode bottom end
There is connecting terminal, the connection for conducting wire and electrode.
5. a kind of retractable high temperature optical fiber micromachining device according to claim 1.It is characterized in that: the sliding block sliding rail
There are two the sliding blocks of same size and a sliding rail, sliding block to be made of insulating material for open-close system tool, and centre has hole, sliding block
It is upper even electrode, under connect sliding rail, middle preparation has through-hole, for central conductor hide.
6. a kind of retractable high temperature optical fiber micromachining device according to claim 1.It is characterized in that: the sliding block sliding rail
Two sliding block sides of open-close system are connected by spring, can be by controlling the pulling force of spring to control two blocks of heating bars in nature
Closeness of contact under state, in addition can be by mobile one end sliding block, to control the unlatching and closure of heating bar bottoming hole, side
Just optical fiber being put into and takes out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651022.9A CN109782389A (en) | 2018-12-31 | 2018-12-31 | A kind of retractable high temperature optical fiber micromachining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651022.9A CN109782389A (en) | 2018-12-31 | 2018-12-31 | A kind of retractable high temperature optical fiber micromachining device |
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| CN109782389A true CN109782389A (en) | 2019-05-21 |
Family
ID=66499716
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| CN201811651022.9A Pending CN109782389A (en) | 2018-12-31 | 2018-12-31 | A kind of retractable high temperature optical fiber micromachining device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111318830A (en) * | 2020-04-19 | 2020-06-23 | 大连优迅科技有限公司 | Optical fiber metallization preparation device and preparation method thereof |
| CN114207490A (en) * | 2019-08-05 | 2022-03-18 | 鲁曼斯蒂有限公司 | Optical fiber splicing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101248A (en) * | 1986-11-14 | 1988-08-10 | 澳大利亚康芒瓦尔工业研究开发公司 | The manufacturing of fibre-optic component |
| US20030169985A1 (en) * | 2002-03-05 | 2003-09-11 | Institut National D'optique | Microporous glass waveguides doped with selected materials |
| CN102092132A (en) * | 2010-12-17 | 2011-06-15 | 哈尔滨工程大学 | Plastic optical fiber tapering device |
| CN101308226B (en) * | 2007-05-16 | 2012-01-11 | 古河电子北美公司 | Systems and methods for creating localized refractive index modulations in an optical fiber |
| CN106199835A (en) * | 2016-07-20 | 2016-12-07 | 京东方科技集团股份有限公司 | A kind of optical fiber lens manufacture method and optical fiber lens |
-
2018
- 2018-12-31 CN CN201811651022.9A patent/CN109782389A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101248A (en) * | 1986-11-14 | 1988-08-10 | 澳大利亚康芒瓦尔工业研究开发公司 | The manufacturing of fibre-optic component |
| US20030169985A1 (en) * | 2002-03-05 | 2003-09-11 | Institut National D'optique | Microporous glass waveguides doped with selected materials |
| CN101308226B (en) * | 2007-05-16 | 2012-01-11 | 古河电子北美公司 | Systems and methods for creating localized refractive index modulations in an optical fiber |
| CN102092132A (en) * | 2010-12-17 | 2011-06-15 | 哈尔滨工程大学 | Plastic optical fiber tapering device |
| CN106199835A (en) * | 2016-07-20 | 2016-12-07 | 京东方科技集团股份有限公司 | A kind of optical fiber lens manufacture method and optical fiber lens |
Non-Patent Citations (1)
| Title |
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| 傅承基 等: "《夹具设计》", 31 August 1985, 湖南科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114207490A (en) * | 2019-08-05 | 2022-03-18 | 鲁曼斯蒂有限公司 | Optical fiber splicing method |
| CN111318830A (en) * | 2020-04-19 | 2020-06-23 | 大连优迅科技有限公司 | Optical fiber metallization preparation device and preparation method thereof |
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Application publication date: 20190521 |