CN205710433U - A kind of atmosphere protection type chalcogenide glass fiber prick-drawing device - Google Patents
A kind of atmosphere protection type chalcogenide glass fiber prick-drawing device Download PDFInfo
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- CN205710433U CN205710433U CN201620366018.8U CN201620366018U CN205710433U CN 205710433 U CN205710433 U CN 205710433U CN 201620366018 U CN201620366018 U CN 201620366018U CN 205710433 U CN205710433 U CN 205710433U
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- atmosphere protection
- fiber
- resistance furnace
- seam
- tube
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Abstract
The utility model discloses a kind of atmosphere protection type chalcogenide glass fiber prick-drawing device, device is made up of optical table, two electricity driving displacement platforms, two fiber clamps, quartz ampoule with seam and atmosphere protection tube type resistance furnace.Wherein, atmosphere protection tube type resistance furnace is fixed on optical table；Quartz ampoule with seam is fixed in atmosphere protection tube type resistance furnace, and the dead in line of its axis and body of heater；Two electricity driving displacement platforms lay respectively at the both sides of atmosphere protection tube type resistance furnace and are fixed on optical table；Two fiber clamps are separately fixed on the slide block of two electricity driving displacement platforms, and the dead in line of the axis of fiber clamp and atmosphere protection tube type resistance furnace.This utility model device may be implemented in, under inert atmosphere protection, chalcogenide glass fiber drawn cone, is prevented effectively from optical fiber surface oxidation；Effective to the temperature control around optical fiber, draw cone success rate high；Fixation in situ or the encapsulation of tapered fiber can be realized；Simple to operate, low cost, efficiency height.
Description
Technical field
This utility model relates to a kind of optical fiber prick-drawing device, particularly relates to a kind of atmosphere protection type chalcogenide glass fiber and draws cone
Device.
Background technology
Chalcogenide glass tapered fiber (CGTF) has extensively in fields such as biology/chemical sensitisation, nonlinear optics, micronano opticals
General application prospect.Such as, CGTF has the IR transmission of excellence and bigger evanscent field, and therefore they are made into life
Thing/chemical sensor, for detection and the identification of molecule；CGTF has high third-order nonlinear optical coefficient, can significantly regulate
Group velocity dispersion, and it is easily formed high light intensity in a fiber, therefore they are applied to infrared non-linear optical field, such as broadband
The generation of infrared excess continuous spectrum, the process etc. of optical signal；Additionally, due to its bigger evanscent field and less volume, CGTF is normal
It is used as the coupled waveguide of optical microcavity, plays important role in infrared micronano optical field.
The preparation of tapered fiber typically by optical fiber draw cone machine one section of optical fiber is carried out local heat and vertically stretching obtain
?.On market, existing optical fiber draws cone owner's oxyhydrogen flame to be included hot type to draw cone machine, CO2LASER HEATING type draws cone machine and electrode
Hot type draws cone machine, and these optical fiber draw cone machine to be primarily adapted for use in and the silica fibre with high softening temperature is drawn cone, operation
Temperature is high and without atmosphere protection, it is impossible to be applicable to having low softening temperature and the most oxidized chalcogenide glass fiber draws
Cone.At present, market there is not yet a chalcogenide glass fiber that is applicable to and draw the equipment of cone.Although some research worker are adopted both at home and abroad
Achieve with homemade device and chalcogenide glass fiber is drawn cone, but use these devices reported to carry out optical fiber and draw cone still
Exist and draw during cone that optical fiber is the most oxidized, draw cone success rate is low, be difficult to fixation in situ or the encapsulation etc. of tapered fiber to ask
Topic, seriously constrains the application in infrared light device of the chalcogenide glass tapered fiber and development.
Utility model content
The technical problems to be solved in the utility model be overcome existing fiber to draw cone equipment exists draws optical fiber during cone
The most oxidized, success rate is low, be difficult to the problem such as fixation in situ or encapsulation of tapered fiber to draw cone, it is provided that a kind of atmosphere protection
Type chalcogenide glass fiber prick-drawing device.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of atmosphere protection type sulfur system glass
Glass optical fiber prick-drawing device, protects including optical table, two electricity driving displacement platforms, two fiber clamps, quartz ampoule with seam and atmosphere
Protect tube type resistance furnace；Atmosphere protection tube type resistance furnace is fixed on optical table, and the axis of body of heater is put down with the surface of optical table
OK；Quartz ampoule with seam is fixed in atmosphere protection tube type resistance furnace by the adjustable diaphragm in aperture, and its two ends are respectively from resistance
The fire door two ends of stove are stretched out, and the dead in line of its axis and body of heater；Two electricity driving displacement platforms lay respectively at atmosphere protection pipe
The both sides of formula resistance furnace are also fixed on optical table, and the orbital direction of electricity driving displacement platform and atmosphere protection tube type resistance furnace
Body of heater axis direction parallel；Two fiber clamps are separately fixed on the slide block of two electricity driving displacement platforms, and fiber clamp
The dead in line of axis and atmosphere protection tube type resistance furnace.
Further, electricity driving displacement platform is made up of motor, track and slide block, and slide block is positioned on track, can be along rail
Direction, road is moved, motor draw, and hauling speed is controlled.
Further, fiber clamp is made up of nut, rubber core and hollow thread bar；Hollow thread bar is that front end is with spiral shell
The hollow metal bar of stricture of vagina；Rubber core is the rubber tube of hollow, and its front end is processed to the taper cut along axis, and rear end is by strong
Power is adhesive on hollow thread bar inwall；The inwall front end of nut is taper, and rear inner wall is threaded, and nut passes rubber core
During front end precession hollow threaded rod front end, the taper Guan Bi that rubber core front end edge axially cuts, it is achieved the clamping of optical fiber.
Further, the tube wall of quartz ampoule with seam is provided with a seam in axial direction, it is simple to the entrance of protective gas.
Further, atmosphere protection tube type resistance furnace include quartz the boiler tube of material, resistance heating collar, thermocouple, for
The sheet metal of fixing thermocouple and two adjustable diaphragms in aperture；Boiler tube is respectively arranged at the two ends with a pore, for protective gas
Input；Resistance heating collar is positioned at the middle part of boiler tube, is close to furnace tube outer wall；The thermometric end of thermocouple is positioned at boiler tube, terminals
Stretched out outside boiler tube by the aperture of sheet metal；Sheet metal is bonded at the Single port of boiler tube by seccotine, away from center on sheet metal
Position sets an aperture, is used for fixing thermocouple；One diaphragm is bonded on sheet metal, and another diaphragm is bonded at the another port of boiler tube
On, the centre normal of two diaphragms all with the dead in line of Quartz stove tube.
The using method of a kind of atmosphere protection type chalcogenide glass fiber prick-drawing device, comprises the steps:
1) take one section of chalcogenide glass fiber, place the fiber in quartz ampoule with seam, afterwards quartz ampoule with seam is inserted atmosphere
In the boiler tube of protection tube type resistance furnace, keep the seam of quartz ampoule with seam upward to prevent optical fiber from seam landing, turn the hole of diaphragm down
Footpath is to clamp quartz ampoule with seam so that it is be suspended in the middle of boiler tube；
2) chalcogenide glass fiber two ends are inserted in the rubber core of fiber clamp, then will by nut precession hollow threaded rod
Fiber gripper；
3) slide position of two electricity driving displacement platforms is regulated so that it is be positioned at distance atmosphere protection tube type resistance furnace on track
Then two fiber clamps are separately fixed on slide block by nearer one end, and optical fiber is drawn by fine setting slide block position in orbit
Tightly, the dead in line of shaft axis of optic fibre and quartz ampoule with seam is made；
4) the part raw material band that quartz ampoule with seam stretches out atmosphere protection tube type resistance furnace tightly wraps, to avoid sky as far as possible
Gas seam on tube wall enters in pipe；
5) pore from the boiler tube two ends of atmosphere protection tube type resistance furnace inputs high pure protective gas in stove, protects in making stove
Hold pressure-fired, stove inner air tube is driven out of through the two ends of quartz ampoule with seam；
6) being heated chalcogenide glass fiber by resistance heating collar, optical fiber is electronic by starting two after thermal softening the most simultaneously
The motor of displacement platform carries out bivector traction and draws cone, when the slide block of electricity driving displacement platform arrives precalculated position, closes two
Individual motor, and stop heating simultaneously；
7), after the in-furnace temperature until atmosphere protection tube type resistance furnace is down to room temperature, stop in stove, input high-purity protection gas,
Inject ultra-violet curing glue to quartz ampoule two ends with seam, tapered fiber is fixed in quartz ampoule with seam；
8) take down and be entangled in the raw material band at quartz ampoule two ends with seam, unclamp the nut of two fiber clamps, fiber clamp is moved
Open, unclamp the diaphragm at atmosphere protection tube type resistance furnace two ends, the quartz ampoule with seam being fixed with tapered fiber is extracted out from boiler tube,
Finally as required the tapered fiber being fixed in quartz ampoule with seam can be tested or sealed up for safekeeping.
As preferably, described high pure protective gas is argon or the nitrogen that purity is not less than 99.999%.
The beneficial effects of the utility model are as follows:
A) chalcogenide glass fiber draws cone can carry out under inert gas shielding, therefore when drawing cone, optical fiber will not be oxidized, can have
Effect is avoided optical fiber oxidized and is caused transmission performance to deteriorate.
B) during chalcogenide glass fiber is positioned at the quartz ampoule with seam being suspended on atmosphere protection resistance furnace axis, to quartz ampoule with seam
Or the heating of optical fiber is realized by gaseous exchange, so do not result in rising sharply or suddenly of quartz ampoule inner fiber environment temperature with seam
Fall, during drawing cone, the viscosity of fiber optic materials is easy to control, draws cone success rate high；Assume the protection not having quartz ampoule with seam, by
Temperature in boiler tube tube wall is significantly higher than the temperature at body of heater center, and optical fiber once contact furnace tube wall will be bonded at high temperature, leads
Cause is drawn and is bored unsuccessfully, and the fiber optic materials being simultaneously bonded on tube wall can pollute boiler tube.
C) quartz ampoule with seam accommodating chalcogenide glass fiber belongs to consumptive material, may finally be from atmosphere protection tube type resistance furnace
Extract out, therefore can realize the fixation in situ of chalcogenide glass tapered fiber by injecting ultra-violet curing glue to quartz ampoule two ends with seam
Or encapsulation.
Draw compared with cone equipment with existing fiber, the advantage of this utility model device is: may be implemented in inert atmosphere protection
Under carry out optical fiber and draw cone, be prevented effectively from optical fiber surface oxidation；Effective to the temperature control around optical fiber, draw cone success rate high；Can be real
The fixation in situ of existing tapered fiber or encapsulation；Simple to operate, low cost, efficiency height.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model device.
Fig. 2 is the structural representation of this utility model electricity driving displacement platform.
Fig. 3 is the structural representation of this utility model fiber clamp.
Fig. 4 is the structural representation of this utility model quartz ampoule with seam.
Fig. 5 is the structural representation of this utility model atmosphere protection tube type resistance furnace.
1-optical table, 2-electricity driving displacement platform, 3-fiber clamp, 4-quartz ampoule with seam, 5-atmosphere protection tubular electric resistance
Stove, 6-optical fiber, 2.1-motor, 2.2-track, 2.3-slide block, 3.1-nut, 3.2-rubber core, 3.3-hollow thread bar,
5.1-boiler tube, 5.1.1-pore, 5.2-resistance heating collar, 5.3-thermocouple, 5.4-sheet metal, 5.5-diaphragm.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
As it is shown in figure 1, a kind of atmosphere protection type chalcogenide glass fiber prick-drawing device, electronic by an optical table 1, two
Displacement platform 3, quartz ampoule 4 with seam of 2, two fiber clamps and an atmosphere protection tube type resistance furnace 5 form.Wherein, gas
Atmosphere protection tube type resistance furnace 5 is fixed on optical table 1 by support, and the axis of body of heater is parallel with the surface of optical table；
Quartz ampoule 4 with seam is fixed in atmosphere protection tube type resistance furnace 5 by the adjustable diaphragm in aperture, and its two ends are respectively from resistance furnace
Fire door two ends stretch out, the dead in line of its axis and body of heater；Two electricity driving displacement platforms 2 lay respectively at atmosphere protection tubular type electricity
The both sides of resistance stove 5, they are screwed on optical table 1, and the orbital direction of electricity driving displacement platform 2 and atmosphere protection
The body of heater axis direction of tube type resistance furnace 5 is parallel；Two fiber clamps 3 are separately fixed at two electricity driving displacement platforms by support
On the slide block of 2, and the dead in line of the axis of fiber clamp 3 and atmosphere protection tube type resistance furnace 5.
As in figure 2 it is shown, electricity driving displacement platform 2 is made up of motor 2.1, track 2.2 and slide block 2.3.Slide block 2.3 is positioned at
On track 2.2, can move by direction along ng a path, motor 2.1 draw, hauling speed is controlled.
As it is shown on figure 3, fiber clamp 3 is made up of nut 3.1, rubber core 3.2 and hollow thread bar 3.3.Hollow thread bar
3.3 is front end screwed hollow metal bar；Rubber core 3.2 is the rubber tube of hollow, and its front end is processed to cut along axis
The taper opened, rear end is bonded on hollow thread bar 3.3 inwall by seccotine；The inwall front end of nut 3.1 is taper, after inwall
End is threaded, during nut 3.1 passes rubber core 3.2 front end precession hollow threaded rod 3.3 front end, before rubber core 3.2
The taper Guan Bi that end cuts vertically, it is achieved the clamping of optical fiber.
As shown in Figure 4, the tube wall of quartz ampoule 4 with seam is provided with a seam in axial direction, it is simple to entering of protective gas
Enter.
As it is shown in figure 5, atmosphere protection tube type resistance furnace 5 is by 5.1, resistance heating collar of boiler tube of a quartzy material
5.2, a thermocouple 5.3, forms for the sheet metal 5.4 and two adjustable diaphragms in aperture 5.5 fixing thermocouple.
Boiler tube is respectively arranged at the two ends with a pore 5.1.1, for the input of protective gas；Resistance heating collar 5.2 is positioned in boiler tube 5.1
Portion, is close to furnace tube outer wall；The thermometric end of thermocouple 5.3 is positioned at boiler tube 5.1, and terminals are stretched out by the aperture of sheet metal 5.4
Outside boiler tube 5.1；Sheet metal 5.4 is bonded at the Single port of boiler tube 5.1 by seccotine, sheet metal installs one away from centre bit little
Hole, is used for fixing thermocouple 5.3；One diaphragm 5.5 is bonded on sheet metal 5.4 by seccotine, and another diaphragm 5.5 is by strong
Power is adhesive on the another port of boiler tube 5.1, the centre normal of two diaphragms all with the dead in line of Quartz stove tube 5.1.
Below in conjunction with accompanying drawing 1-5, the using method of this utility model atmosphere protection type chalcogenide glass fiber prick-drawing device is made
Specifically describe.
Wait the As drawing cone chalcogenide glass fiber to be diameter 200 μm2Se3Bare fibre.As it is shown in figure 1, take segment length 40 cm
As2Se3Optical fiber 6, puts it into a length of 24 cm, internal-and external diameter is respectively 5 mm and in the quartz ampoule with seam 4 of 7 mm, afterwards will
Quartz ampoule 4 with seam inserts in the boiler tube 5.1 of atmosphere protection tube type resistance furnace, a length of 16 cm of boiler tube 5.1, and internal-and external diameter is respectively
Be 24 mm and 28 mm, keep the seam of quartz ampoule 4 with seam upward with prevent optical fiber 6 from seam landing, turn down the aperture of diaphragm 5.3 with
Clamp quartz ampoule 4 with seam so that it is be suspended in the middle of boiler tube 5.1；Optical fiber 6 two ends are inserted in the rubber core 3.2 of fiber clamp 3, so
After optical fiber 6 is clamped by nut 3.1 precession hollow threaded rod 3.3；Slide block 2.3 position of two electricity driving displacement platforms of regulation, makes
It is positioned at one end that on track 2.2, distance atmosphere protection tube type resistance furnace 5 is nearer, is then fixed respectively by two fiber clamps 3
On slide block 2.3, optical fiber is strained by fine setting slide block 2.3 position in orbit, makes the axis of shaft axis of optic fibre and quartz ampoule 4 with seam
Overlap；The part raw material band that quartz ampoule 4 with seam stretches out atmosphere protection tube type resistance furnace 5 is tightly wrapped, to avoid air as far as possible
Seam on tube wall enters in pipe；Pore from boiler tube 5.1 two ends of atmosphere protection tube type resistance furnace to input purity in stove is
The nitrogen of 99.999%, as protective gas, keeps pressure-fired in making stove, is caught up with through the two ends of quartz ampoule 4 with seam by stove inner air tube
Go out；After 30 minutes, by resistance heating collar 5.2, optical fiber 6 is heated, 290oDuring C, optical fiber 6 is heated and starts to soften, and starts two
The motor 2.1 of electricity driving displacement platform carries out bivector traction with the speed of 1.5 mm/s and draws cone, when the cunning of electricity driving displacement platform
When block 2.2 arrives precalculated position, close two motors, and stop heating simultaneously；Treat the stove of atmosphere protection tube type resistance furnace 5
After interior temperature is down to room temperature, stop inputting nitrogen in stove, inject ultra-violet curing glue to quartz ampoule 4 two ends with seam, cone light will be drawn
Fibre is fixed in quartz ampoule with seam；Take down the raw material band being entangled in quartz ampoule 4 two ends with seam, unclamp the nut of two fiber clamps
3.1, fiber clamp is removed, unclamps the diaphragm 5.5 at atmosphere protection tube type resistance furnace 5 two ends, the band of tapered fiber will be fixed with
Seam quartz ampoule 4 is extracted out from boiler tube 5.1, obtains required As2Se3Tapered fiber.Repeat aforesaid operations 6 times, wherein input in stove
Protective gas be respectively as follows: the nitrogen of 2 99.999% purity, the argon of 2 99.999% purity, do not input gas 2 times.
6 operations are the most successfully to As2Se3Optical fiber has carried out drawing cone and having carried out fixation in situ.Use Powerful Light Microscope
It is observed 6 tapered fibers being fixed in quartz ampoule with seam finding: obtain under the conditions of not inputting protective gas in stove
The surface, cone district of 2 tapered fibers dimer, have a small amount of fish scale-shaped skin dark stain, this shows that optical fiber surface there occurs oxidation；To stove
The cone district surface-brightening of 4 tapered fibers obtained under the conditions of interior input protective gas, does not finds oxidative phenomena.
Claims (5)
1. an atmosphere protection type chalcogenide glass fiber prick-drawing device, it is characterised in that: include optical table (1), two electronic
Displacement platform (2), two fiber clamps (3), quartz ampoule with seam (4) and atmosphere protection tube type resistance furnace (5)；Atmosphere protection tubular type
Resistance furnace (5) is fixed on optical table (1), and the axis of body of heater is parallel with the surface of optical table；Quartz ampoule with seam (4) passes through
The adjustable diaphragm in aperture is fixed in atmosphere protection tube type resistance furnace (5), and its two ends are stretched from the fire door two ends of resistance furnace respectively
Go out, and the dead in line of its axis and body of heater；Two electricity driving displacement platforms (2) lay respectively at atmosphere protection tube type resistance furnace (5)
Both sides and be fixed on optical table (1), and the orbital direction of electricity driving displacement platform (2) and atmosphere protection tube type resistance furnace
(5) body of heater axis direction is parallel；Two fiber clamps (3) are separately fixed on the slide block of two electricity driving displacement platforms (2), and
The axis of fiber clamp (3) and the dead in line of atmosphere protection tube type resistance furnace (5).
A kind of atmosphere protection type chalcogenide glass fiber prick-drawing device the most according to claim 1, it is characterised in that: described electricity
Dynamic displacement platform (2) is made up of motor (2.1), track (2.2) and slide block (2.3), and slide block (2.3) is positioned at track (2.2)
On, can move by direction along ng a path, motor (2.1) draw.
A kind of atmosphere protection type chalcogenide glass fiber prick-drawing device the most according to claim 1, it is characterised in that: described
Fiber clamp (3) is made up of nut (3.1), rubber core (3.2) and hollow thread bar (3.3), and hollow thread bar (3.3) is front end
Screwed hollow metal bar；Rubber core (3.2) is the rubber tube of hollow, and its front end is the taper cut along axis, rear end
It is bonded on hollow thread bar (3.3) inwall；The inwall front end of nut (3.1) is taper, and rear inner wall is threaded, nut
(3.1), during passing rubber core (3.2) front end precession hollow threaded rod (3.3) front end, rubber core (3.2) front end edge is axial
The taper Guan Bi cut, it is achieved the clamping of optical fiber.
A kind of atmosphere protection type chalcogenide glass fiber prick-drawing device the most according to claim 1, it is characterised in that: described
The tube wall of quartz ampoule with seam (4) is provided with a seam in axial direction.
A kind of atmosphere protection type chalcogenide glass fiber prick-drawing device the most according to claim 1, it is characterised in that: described
Atmosphere protection tube type resistance furnace (5) includes the quartz boiler tube (5.1) of material, resistance heating collar (5.2), thermocouple (5.3), is used for
The sheet metal (5.4) of fixing thermocouple and two the adjustable diaphragm in apertures (5.5)；Boiler tube is respectively arranged at the two ends with a pore, uses
Input in protective gas；Resistance heating collar (5.2) is positioned at the middle part of boiler tube (5.1), is close to furnace tube outer wall；Thermocouple (5.3)
Thermometric end be positioned at boiler tube (5.1), terminals stretch out boiler tube (5.1) outward by the aperture of sheet metal (5.4)；Sheet metal
(5.4) it is bonded at the Single port of boiler tube (5.1) by seccotine, sheet metal installs an aperture away from centre bit, for fixing heat
Galvanic couple (5.3)；One diaphragm (5.5) is bonded on sheet metal (5.4), and another diaphragm (5.5) is bonded at the other end of boiler tube (5.1)
On mouth, the centre normal of two diaphragms all with the dead in line of Quartz stove tube (5.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620366018.8U CN205710433U (en) | 2016-04-26 | 2016-04-26 | A kind of atmosphere protection type chalcogenide glass fiber prick-drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620366018.8U CN205710433U (en) | 2016-04-26 | 2016-04-26 | A kind of atmosphere protection type chalcogenide glass fiber prick-drawing device |
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| Publication Number | Publication Date |
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| CN205710433U true CN205710433U (en) | 2016-11-23 |
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ID=57293999
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620366018.8U Withdrawn - After Issue CN205710433U (en) | 2016-04-26 | 2016-04-26 | A kind of atmosphere protection type chalcogenide glass fiber prick-drawing device |
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| CN (1) | CN205710433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731785A (en) * | 2016-04-26 | 2016-07-06 | 江苏师范大学 | Atmosphere protection type chalcogenide glass optical fiber tapering device and use method |
-
2016
- 2016-04-26 CN CN201620366018.8U patent/CN205710433U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731785A (en) * | 2016-04-26 | 2016-07-06 | 江苏师范大学 | Atmosphere protection type chalcogenide glass optical fiber tapering device and use method |
| CN105731785B (en) * | 2016-04-26 | 2018-08-21 | 江苏师范大学 | A kind of atmosphere protection type chalcogenide glass fiber prick-drawing device and application method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180821 |