CN106892557A - The manufacture method and manufacturing equipment of a kind of low loss fiber - Google Patents
The manufacture method and manufacturing equipment of a kind of low loss fiber Download PDFInfo
- Publication number
- CN106892557A CN106892557A CN201710067440.2A CN201710067440A CN106892557A CN 106892557 A CN106892557 A CN 106892557A CN 201710067440 A CN201710067440 A CN 201710067440A CN 106892557 A CN106892557 A CN 106892557A
- Authority
- CN
- China
- Prior art keywords
- fiber
- lucite tube
- sealing gland
- drawing furnace
- manufacture method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/10—Non-chemical treatment
- C03B37/12—Non-chemical treatment of fibres or filaments during winding up
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/56—Annealing or re-heating the drawn fibre prior to coating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The present invention provides a kind of manufacture method and manufacturing equipment of low loss fiber, and the manufacture method is comprised the following steps：Water vapor is set outside fiber drawing furnace, after the hot optical fiber of generation in fiber drawing furnace is stretched out by wire drawing fire door, by water vapor.The manufacture method and corresponding manufacturing equipment for providing of the invention, the mode annealed using water vapour improves inside of optical fibre crystal structure, is optimal internal crystal structure, reduces the Rayleigh scattering of optical fiber, so that reduce loss, loss is minimum to be down to 0.18db/km.
Description
Technical field
The present invention relates to optical fiber fabrication arts, more particularly to a kind of low loss fiber manufacture method and manufacturing equipment.
Background technology
As the development of optical fiber technology, the long range transmission of optical fiber are increasing, existing optical fiber is higher due to attenuation, passes
Defeated distance is short, needs increase relay station to carry out the enhancing of signal in long range transmitting procedure, but due to the valency of relay station
Lattice are expensive, and operator wishes to be reducingd the construction costs in long range transmitting procedure and not influence normal loss smaller
Optical fiber.The loss of optical fiber point intrinsic loss and manufacture are lost, and intrinsic loss is the intrinsic loss of fiber optic materials, is to avoid
's.The manufacture loss of optical fiber is that manufacture optical fiber process is produced, and some the impure compositions for mainly introducing in the fabrication process are (miscellaneous
Matter absorbs) and fault of construction cause, Impurity Absorption is mainly transition metal ions and OH-The loss of caused light.
It is perfect with optical wand manufacturing process, transition metal ions and OH-The loss of caused light is very little, but
It is that the fault of construction of optical fiber brings scattering loss but to exist all the time.The fault of construction of optical fiber is mainly by the crystal structure of inside of optical fibre
Influence, the structure of inside of optical fibre crystal is mainly influenceed by the manufacturing process of optical fiber, and existing optical fiber production process includes that melting is drawn
Wire process, sizing refrigerating work procedure, annealing operation, wire drawing refrigerating work procedure, coating operation and curing process, wherein annealing operation is to light
The influence of fine internal structure is most important.
In the prior art, it has been suggested that some be used for reduce radiation trigger optical power attenuation annealing technology scheme, than
The optical power attenuation for such as being triggered using the radiation of the thermal annealing passive single-mode fiber of reduction.However, the method for thermal annealing need be heated
Could effectively reduce the decay that radiation triggers to 200 DEG C to 300 DEG C, the environment of such high temperature may damage or reduce element its
Arround element group function.
Additionally, in the prior art, though photic method for annealing is had pointed out for reducing passive single-mode fiber, such as glass light
Fine and germnium doped fiber, and Er-doped fiber the decay that triggers of radiation, it is but ineffective.
The content of the invention
Manufacturing process and manufacturing equipment by optimizing optical fiber of the invention, transforms the structure of inside of optical fibre crystal, reaches drop
The purpose of low fibre scattering loss.The purpose of the present invention is realized particular by following technical scheme.
According to an aspect of the present invention, there is provided a kind of manufacture method of low loss fiber, comprise the following steps：
The step of setting water vapor outside fiber drawing furnace, makes the hot optical fiber of generation in fiber drawing furnace be stretched out by wire drawing fire door
Afterwards, by water vapor.
Wherein, also including setting water vapor before the step of, isolated environment is set near the outer wire drawing fire door of fiber drawing furnace
The step of, entered in fiber drawing furnace with completely cutting off water vapour.
Wherein, the humidity of the water vapor of setting is 20%~30%.
Wherein, the step of setting isolated environment includes, in organic glass that the lower section setting two ends of the outer fire door of fiber drawing furnace communicate
Glass pipe, one end near wire drawing fire door in lucite tube is filled with sealing gland gas.
Set water vapor the step of include, be filled with water vapour in the center section of lucite tube, make hot optical fiber by
Wire drawing fire door enters lucite tube after stretching out, and sequentially passes through sealing gland gas and water vapor.
Wherein, set isolated environment the step of include, 40~60cm below the outlet of fiber drawing furnace at setting lucite
Pipe, the length of lucite tube is 50~60cm, a diameter of 4~6cm, lucite tube near one end 15 of wire drawing fire door~
Sealing gland gas is filled with 20mm, the flow of the sealing gland gas being filled with is 15~25L/min.
The step of setting water vapor includes, is filled with sealing gland gas in the distance of lucite tube and is filled at 10~15mm
Enter water vapour, the flow of the water vapour being filled with is 15~30L/min.
Wherein, manufacture method also includes making hot optical fiber by the curing process and wire-drawing process after water vapor.
According to another aspect of the present invention, there is provided a kind of manufacturing equipment of low loss fiber, including fiber drawing furnace, wire drawing pylon
With water vapour annealing system, water vapour annealing system include lucite tube, movable bracket component, sealing gland gas flow control
The water vapour supply arrangement of device and adjustable flow, fiber drawing furnace and movable bracket component may be contained within wire drawing pylon, organic
Glass tube is movably set up in the correspondence position of the outlet of the lower section fiber drawing furnace of fiber drawing furnace by movable bracket component, organic
The position of glass tube can be adjusted along the height of fiber drawing furnace and high perpendicular direction.
The section tubular wall of the outlet near fiber drawing furnace of lucite tube is provided with multiple sealing gland stomatas and multiple water vapour holes,
Multiple sealing gland stomatas pass through the water vapour of pipeline connection, multiple water vapour holes and adjustable flow with sealing gland gas flow control device
Supply arrangement by pipeline connection, multiple sealing gland stomatas than multiple water vapour holes near fiber drawing furnace outlet.
Also include being sheathed on the metal sleeve (13) at lucite tube (15) two ends；
Movable bracket component includes two guide rails and two supports, and two guide rails are parallel along the short transverse of wire drawing pylon
The lower section of fiber drawing furnace is set and be fixed on, sliding block is equipped with every guide rail, two two ends of support are solid with two sliding blocks respectively
It is fixed.
Every support is additionally provided with set screw, and set screw passes through the center section of support, and can be along perpendicular to guide rail
With the direction spiral movement of the plane where support, the end of set screw is fixedly installed set screw chuck, metal sleeve
It is conditioned screw chuck fixed clamp.
Wherein, lucite tube is vertically positioned at the lower section of wire drawing fire door, and multiple sealing gland stomatas are located at the upper of lucite tube
Portion, multiple water vapour hole positions are in the center section of lucite tube.The number of sealing gland stomata is 2, is symmetricly set on organic glass
On the tube wall of glass pipe, the number in water vapour hole is 4, is uniformly arranged on the tube wall of lucite tube.
Wherein, the water vapour supply arrangement of adjustable flow includes water tank and switch board.
In the melt drawing operation of fiber manufacturing, the increase of preform diameter and the raising of drawing speed bring inside of optical fibre
Stress increases, and hot optical fiber of the present invention after water vapor is shaped to wire drawing carries out insulation annealing.
The advantage of the invention is that：
1. this manufacture method improves inside of optical fibre crystal structure using the mode of water vapour annealing, makes internal crystal structure
It is optimal, the Rayleigh scattering of optical fiber is reduced, so that reduce loss.
2. this manufacture method scheme is simple, and equipment cost is low, and substantially, can be reduced to for fibre loss by reduce loss
0.18db/km。
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 shows a kind of process schematic of the manufacture method of the low loss fiber according to embodiment of the present invention；
Fig. 2 shows a kind of water vapour annealing system of the manufacturing equipment of the low loss fiber according to embodiment of the present invention
Schematic diagram；
Fig. 3 show a kind of manufacturing equipment of the low loss fiber according to embodiment of the present invention lucite tube and can
The connection diagram of travel(l)ing rest component.
Specific embodiment
The illustrative embodiments of the disclosure are described in more detail below.Although showing showing for the disclosure in this explanation
Example property implementation method, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth herein
Limited.Conversely, there is provided these implementation methods are able to be best understood from the disclosure, and can be by the model of the disclosure
Enclose and complete convey to those skilled in the art.
According to the embodiment of the present invention, a kind of manufacture method of low loss fiber is proposed, this method includes melt drawing
Operation, cooling and shaping operation, water vapour annealing operation, wire drawing refrigerating work procedure, working procedure of coating, curing process, wire-drawing process.As schemed
Shown in 1, the prefabricated rods 1 of optical fiber enter in fiber drawing furnace 2, and melt drawing simultaneously forms optical fiber 3 through nitrogen cooling and shaping, optical fiber 3 due to
Action of Gravity Field, declines from the fire door of fiber drawing furnace 2 and stretches out, and water vapor annealing, Ran Houyi are met into water vapour annealing system 4 is interior
It is secondary through apparatus for supercooling, cure system 5, finally enter winding system 6 and wind agglomerating.
The manufacture device that above manufacturing process is used includes fiber drawing furnace 2, wire drawing pylon and water vapour annealing system 4.Such as Fig. 2
Shown, water vapour annealing system includes lucite tube 15, movable bracket component, gas flow control device 9 and adjustable stream
The water vapour supply arrangement of amount, fiber drawing furnace 2 and movable bracket component may be contained within wire drawing pylon, and lucite tube 15 passes through
Movable bracket component is movably set up in the correspondence position of the outlet of the lower section fiber drawing furnace of fiber drawing furnace 2, lucite tube 15
Position can be adjusted along the height of fiber drawing furnace and high perpendicular direction.
The section tubular wall of the outlet of the close fiber drawing furnace 2 of lucite tube is provided with multiple sealing gland stomatas and multiple water vapours
Hole, multiple sealing gland stomatas and the pipeline communication of gas flow control device 9, multiple water vapour holes supply with the water vapour of adjustable flow
Equipment pipeline connection, multiple sealing gland stomatas are close to the outlet of the fiber drawing furnace than the multiple water vapour hole.
Lucite tube is vertically positioned at the lower section of the outlet of fiber drawing furnace, and multiple sealing gland stomatas are located at the top of glass tube walls,
In the center section of glass tube walls, the number for connecting stomata is 2 to multiple water vapour hole positions, is symmetricly set in glass tube walls,
The number in connection water vapour hole is 4, is circumferentially positioned in glass tube walls.
Adjusting water vapor supplying apparatus include water tank 11 and heating water tank and control the switch board 12 of water tank temperature, switch board
12 and water tank 11 electrically connect.Gas flow control device 9 is provided with the air inlet connected with gas supply source.Switch board 12 can be with
The steam rates that precise control water tank 11 is produced, it is ensured that water vapour will not produce influence, gas flow control to fiber strength
Device 9 can so play sealing gland effect, it is ensured that water vapour will not be from top with the flow of precise control gas above glass tube
Outflow.
As shown in Fig. 2-Fig. 3, movable bracket component includes two guide rails 7 and two supports 8, and two guide rails 7 are along wire drawing
The short transverse of pylon be arranged in parallel and is fixed on the lower section of fiber drawing furnace 2, and every guide rail 7 is provided with two sliding blocks, same guide rail
On one end respectively with two support homonymies of two sliding blocks be connected so that two supports are fixed on two guide rails respectively.
Every support 8 is additionally provided with set screw 14, and set screw 14 passes through the center section of support 8, and can be along vertical
In the direction spiral movement of the plane where guide rail 7 and support 8, the end of set screw 14 is fixedly installed set screw chuck
16, fiber manufacturing installation also includes two metal sleeves 13, and two metal sleeves 13 are enclosed within the outside two ends of lucite tube 15,
Lucite tube 15 is set up on movable bracket component by two metal sleeves 13, and lucite tube 15 passes through metal sleeve
By two set screw chucks 16 on two supports 8 of movable support respectively from two ends fixed clamp.
Lucite tube is arranged on the lower section of fiber drawing furnace 2, and by set screw 14 along where guide rail 7 and support 8
Plane direction accurately adjusting position, guide rail 7 is fixed on wire drawing pylon, 1 meter of the length of guide rail 7, and upper end originates in drawing
Silk 2 times mouths of stove, support 8 moves up and down in guide rail 7, can be along the short transverse of fiber drawing furnace accurately adjusting position.
Wherein positioned at the corresponding sealing gland gas of tube wall of the metal sleeve of the exit end near fiber drawing furnace of lucite tube 15
The position in hole and water vapour hole is equipped with through hole, and the connecting pipeline of gas flow control device 9 passes through through hole and corresponding sealing gland gas
Hole is connected, and the connecting pipeline of the water vapour supply arrangement of adjustable flow is connected through through hole with corresponding water vapour hole.Metal sleeve
13 Main Functions are that lucite tube 15 is protected, and reduce the broken probability of lucite tube 15.
In water vapour annealing operation, the optical fiber 3 pulled out from fiber drawing furnace 2 passes through the lucite tube 15 for being connected with water vapour, has
, to fiber drawing furnace 2 apart from 40cm to 60cm, the center of lucite tube 15 can be by adjustable screw for machine glass tube 15
14 regulations, make it be alignd with the outlet of fiber drawing furnace.The length of lucite tube 15 is set to 50cm~65cm, and diameter 4cm~
6cm.It is 20%~30% by controlling the humidity of water vapor, moves back optical fiber 3 water vapor from fiber drawing furnace 2 out
Fire, improves the internal crystal structure of optical fiber 3, reaches optimal.
Manufacture method of the invention will be illustrated by specific embodiment below.
Embodiment 1
The manufacture method of low loss fiber X1
Position just to the outlet of fiber drawing furnace at the lower section 40cm of fiber drawing furnace 2 is vertically arranged the lucite that two ends communicate
Pipe 15, the length of lucite tube 15 is 50cm, a diameter of 4cm, the lucite tube wall at upper orifice 15cm to
Sealing gland stomata is provided with, each sealing gland stomata interior sealing is connected with tracheae, the end of each tracheae connects with the source nitrogen for providing nitrogen
Logical, source nitrogen controls to enter the flow of tracheae by gas flow control device 9, makes the nitrogen amount entered in lucite tube 15
Meet sealing gland requirement；Four water are interval with the lucite tube wall of sealing gland stomata 10cm in the lower section of sealing gland stomata to steam
Steam vent, each water steams hole interior sealing and is connected with steam pipe, and the end of each steam pipe connects with water tank 11, and water tank 11 connects
Controller 12 is connected to, controller 12 can control to flow into the steam rates of steam pipe.
During optical fiber production, nitrogen by tracheae enter lucite tube 15, using gas flow control device 9, control into
The flow for entering the nitrogen of lucite tube 15 is 15L/min；Water tank temperature is heated to more than 100 degree, produces water vapour, water to steam
Vapour enters lucite tube 15 by steam pipe, controls the flow into the water vapour of lucite tube to be using controller 12
30L/min.Two steps more than so that the nitrogen environment and water vapour ring of lasting stabilization are sequentially generated in lucite tube 15
Border, and cause that water vapour from the outflow of the top of lucite tube 15, and then will not cause water due to the sealing gland effect of top nitrogen
The humid control of steam ambient is 30%.Prefabricated rods are put into fiber drawing furnace, after melt drawing and sizing cooling, formation temperature
About 1300 DEG C of hot optical fiber, hot optical fiber is stretched out by self gravitation by the decline of wire drawing fire door, into lucite tube, by nitrogen
With water vapor annealing, then cooled down successively, applied, being solidified, wire-drawing process, being formed optical fiber X1.After testing, optical fiber X1
Loss be 0.18db/km.
Embodiment 2
The manufacture method of low loss fiber X2
Fiber drawing furnace 2 lower section 60cm just to the position of the outlet of fiber drawing furnace, be vertically arranged the lucite that two ends communicate
Pipe 15, the length of lucite tube 15 is 60cm, a diameter of 6cm, the lucite tube wall at upper orifice 20cm to
Sealing gland stomata is provided with, each sealing gland stomata hole interior sealing is connected with tracheae, the end of each tracheae and the source nitrogen that nitrogen is provided
Connection, source nitrogen controls to enter the flow of tracheae by gas flow control device 9；In the lower section of sealing gland stomata apart from sealing gland gas
Four water vapour pores are interval with the lucite tube wall of hole 15cm, each water vapour hole interior sealing is connected with water vapour
Pipe, the end of each steam pipe connects with water tank 11, and water tank is connected with controller 12, and controller 12 can control water tank 11
Flow into the steam rates of steam pipe.
During optical fiber production, nitrogen by tracheae enter lucite tube 15, using gas flow control device 9, control into
The flow for entering the nitrogen of lucite tube 15 is 25L/min；By the water temperature heating of water tank 11 to 150 DEG C, water vapour, water is produced to steam
Vapour enters lucite tube 15 by steam pipe, controls to enter the flow of the water vapour of lucite tube 15 using controller 12
It is 15L/min.By two above step so that be sequentially generated the nitrogen environment and water of lasting stabilization in lucite tube 15
Steam ambient, and cause that water vapour will not be flowed out due to the sealing gland effect of top nitrogen from lucite tube top, so that
The humid control of water vapor is obtained 20%.Prefabricated rods are put into fiber drawing furnace, after melt drawing and sizing cooling, formation
Temperature is about 1300 DEG C of hot optical fiber, and hot optical fiber is stretched out by self gravitation by the decline of wire drawing fire door, into lucite tube, passes through
Nitrogen and water vapor are annealed, and are then cooled down successively, applied, solidified, wire-drawing process, form optical fiber X2.After testing, light
The loss of fine X2 is 0.20db/km.
In sum, the advantage of the invention is that：
1. this manufacture method improves inside of optical fibre crystal structure using the mode of water vapour annealing, makes internal crystal structure
It is optimal, the Rayleigh scattering of optical fiber is reduced, so that reduce loss.
2. this manufacture method scheme is simple, low cost, and fibre loss substantially, can be reduced to 0.18db/km by reduce loss.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Enclose and be defined.
Claims (10)
1. a kind of manufacture method of low loss fiber, it is characterised in that the manufacture method is comprised the following steps：
The step of water vapor is set outside fiber drawing furnace, after the hot optical fiber of generation in fiber drawing furnace is stretched out by wire drawing fire door, warp
Cross water vapor.
2. manufacture method as claimed in claim 1, it is characterised in that
Before also including the step of water vapor is set, near the outer wire drawing fire door of fiber drawing furnace the step of setting isolated environment, with
Isolation water vapour enters in fiber drawing furnace.
3. manufacture method as claimed in claim 1, it is characterised in that
The humidity of the water vapor of setting is 20%~30%.
4. manufacture method as claimed in claim 2, it is characterised in that
The step of setting isolated environment includes, in the lucite tube that the lower section setting two ends of the outlet of the outer stove of fiber drawing furnace communicate,
One end near wire drawing fire door in lucite tube is filled with sealing gland gas；
Set water vapor the step of include, be filled with water vapour in the center section of lucite tube, make hot optical fiber by wire drawing
Fire door enters lucite tube after stretching out, and sequentially passes through sealing gland gas and water vapor.
5. manufacture method as claimed in claim 4, it is characterised in that
Set isolated environment the step of include, 40~60cm below wire drawing fire door at setting lucite tube, lucite tube
Length be 50~60cm, a diameter of 4~6cm, be filled with gas at the 15~20mm of one end of wire drawing fire door in lucite tube
Envelope gas, the flow of the sealing gland gas being filled with is 15~25L/min；
The step of setting water vapor includes, is filled with sealing gland gas in the distance of lucite tube and is filled with water at 10~15mm
Steam, the flow of the water vapour being filled with is 15~30L/min.
6. manufacture method as claimed in claim 1, it is characterised in that
The manufacture method also includes making hot optical fiber by the curing process and wire-drawing process after water vapor.
7. a kind of manufacturing equipment of low loss fiber, it is characterised in that including the annealing of fiber drawing furnace (2), wire drawing pylon and water vapour
System (4), the water vapour annealing system (4) includes lucite tube (15), movable bracket component, sealing gland gas flow control
Device (9) processed and the water vapour supply arrangement of adjustable flow, the fiber drawing furnace (2) and the movable bracket component may be contained within
On the wire drawing pylon, the lucite tube (15) is movably set up in the wire drawing by the movable bracket component
The correspondence position of the outlet of the lower section fiber drawing furnace of stove (2), the position of the lucite tube (15) can along the height of fiber drawing furnace and
High perpendicular direction is adjusted；
The section tubular wall of the outlet of the close fiber drawing furnace (2) of the lucite tube (15) is provided with multiple sealing gland stomatas and multiple water
Steam hole, with the sealing gland gas flow control device (9) by pipeline connection, the multiple water steams the multiple sealing gland stomata
Steam vent passes through pipeline connection with the water vapour supply arrangement of the adjustable flow, and the multiple sealing gland stomata steams than the multiple water
Outlet of the steam vent near the fiber drawing furnace (2).
8. manufacturing equipment as claimed in claim 7, it is characterised in that
Also include being sheathed on the metal sleeve (13) at lucite tube (15) two ends；
The movable bracket component includes two guide rails (7) and two supports (8), and two guide rails (7) are along the wire drawing pylon
Short transverse be arranged in parallel and be fixed on the lower section of fiber drawing furnace (2), sliding block, two supports (8) are equipped with every guide rail (7)
Two ends fixed with two sliding blocks respectively；
Every support (8) is additionally provided with set screw (14), and set screw (14), and can edge through the center section of support (8)
Perpendicular to the direction spiral movement of the plane where guide rail (7) and support (8), the end of set screw (14) is fixedly installed tune
Section screw chuck (16), metal sleeve (13) is conditioned screw chuck (16) fixed clamp.
9. manufacturing equipment as claimed in claim 7, it is characterised in that
The lucite tube (15) is vertically positioned at the lower section of the outlet of fiber drawing furnace, and the multiple sealing gland stomata is located at described organic
The top of glass tube (15), the multiple water vapour hole position is in the center section of the lucite tube (15)；
The number of the sealing gland stomata be 2, be symmetricly set on the tube wall of lucite tube (15), the water vapour hole
Number is 4, is uniformly arranged on the tube wall of lucite tube (15).
10. manufacturing equipment as claimed in claim 7, it is characterised in that
The water vapour supply arrangement of the adjustable flow includes water tank (11) and switch board (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067440.2A CN106892557B (en) | 2017-02-07 | 2017-02-07 | A kind of manufacturing method and manufacturing equipment of low loss fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067440.2A CN106892557B (en) | 2017-02-07 | 2017-02-07 | A kind of manufacturing method and manufacturing equipment of low loss fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106892557A true CN106892557A (en) | 2017-06-27 |
| CN106892557B CN106892557B (en) | 2019-09-13 |
Family
ID=59198549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710067440.2A Active CN106892557B (en) | 2017-02-07 | 2017-02-07 | A kind of manufacturing method and manufacturing equipment of low loss fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106892557B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407453A (en) * | 2019-07-31 | 2019-11-05 | 杭州永特信息技术有限公司 | A kind of vapor device for drawing optical fibers annealing process |
| CN110655321A (en) * | 2019-10-17 | 2020-01-07 | 远东通讯有限公司 | Low-loss optical fiber drawing system and drawing method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4673427A (en) * | 1982-10-04 | 1987-06-16 | U.S. Philips Corporation | Method of and device for drawing an optical fiber from a solid preform consisting substantially of SiO2 and doped SiO2 |
| GB2226310A (en) * | 1988-12-23 | 1990-06-27 | Stc Plc | Optical fibre manufacture |
| JPH02311337A (en) * | 1989-05-27 | 1990-12-26 | Furukawa Electric Co Ltd:The | Production of optical fiber incorporated in metallic tube |
| EP0838440A1 (en) * | 1996-10-25 | 1998-04-29 | Alcatel | Process and apparatus for cooling a glass optical fibre drawn from a glass preform |
| CN1442715A (en) * | 2002-03-01 | 2003-09-17 | 株式会社藤仓 | Optical fibre flexible wire and its manufacturing method and manufacturing equipment |
| CN102079623A (en) * | 2010-11-12 | 2011-06-01 | 江苏通鼎光电股份有限公司 | Optical fiber annealing extension tube used for high-speed drawing |
| CN202346905U (en) * | 2011-11-30 | 2012-07-25 | 淄博新力特种纤维科技有限公司 | Flat tube cooler used in glass fiber water cooling process |
| CN206902031U (en) * | 2017-02-07 | 2018-01-19 | 通鼎互联信息股份有限公司 | A kind of manufacturing equipment of low loss fiber |
-
2017
- 2017-02-07 CN CN201710067440.2A patent/CN106892557B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4673427A (en) * | 1982-10-04 | 1987-06-16 | U.S. Philips Corporation | Method of and device for drawing an optical fiber from a solid preform consisting substantially of SiO2 and doped SiO2 |
| GB2226310A (en) * | 1988-12-23 | 1990-06-27 | Stc Plc | Optical fibre manufacture |
| JPH02311337A (en) * | 1989-05-27 | 1990-12-26 | Furukawa Electric Co Ltd:The | Production of optical fiber incorporated in metallic tube |
| EP0838440A1 (en) * | 1996-10-25 | 1998-04-29 | Alcatel | Process and apparatus for cooling a glass optical fibre drawn from a glass preform |
| CN1442715A (en) * | 2002-03-01 | 2003-09-17 | 株式会社藤仓 | Optical fibre flexible wire and its manufacturing method and manufacturing equipment |
| CN102079623A (en) * | 2010-11-12 | 2011-06-01 | 江苏通鼎光电股份有限公司 | Optical fiber annealing extension tube used for high-speed drawing |
| CN202346905U (en) * | 2011-11-30 | 2012-07-25 | 淄博新力特种纤维科技有限公司 | Flat tube cooler used in glass fiber water cooling process |
| CN206902031U (en) * | 2017-02-07 | 2018-01-19 | 通鼎互联信息股份有限公司 | A kind of manufacturing equipment of low loss fiber |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407453A (en) * | 2019-07-31 | 2019-11-05 | 杭州永特信息技术有限公司 | A kind of vapor device for drawing optical fibers annealing process |
| CN110655321A (en) * | 2019-10-17 | 2020-01-07 | 远东通讯有限公司 | Low-loss optical fiber drawing system and drawing method thereof |
| CN110655321B (en) * | 2019-10-17 | 2024-05-31 | 远东通讯有限公司 | Low-loss optical fiber drawing system and drawing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106892557B (en) | 2019-09-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4673427A (en) | Method of and device for drawing an optical fiber from a solid preform consisting substantially of SiO2 and doped SiO2 | |
| CN103214181B (en) | A kind of device and method of making optical fiber by high speed drawing | |
| DE69112513T2 (en) | Optical fiber drawing method. | |
| CN105259611B (en) | A kind of production method of fingerprint collecting fibre faceplate | |
| CN108349781B (en) | Method of manufacturing optical fiber and optical fiber | |
| CN106019465A (en) | Ultralow loss optical fiber production system and technology used for production | |
| CN106892557B (en) | A kind of manufacturing method and manufacturing equipment of low loss fiber | |
| CN108137378B (en) | Gas recovery system for optical fiber production | |
| CN102010123B (en) | Optical fiber eat treatment method and device | |
| CN106125192A (en) | A kind of ultra-low loss large effective area fiber and preparation technology thereof | |
| KR20160042029A (en) | Methods of making optical fiber with reduced hydrogen sensitivity that include fiber redirection | |
| JP2001114526A (en) | Process for production of optical fiber | |
| CN108002698A (en) | A kind of manufacture method of preform | |
| KR20160042954A (en) | Methods of making optical fiber with reduced hydrogen sensitivity | |
| CN113292241A (en) | Optical fiber drawing furnace, optical fiber preparation device, optical fiber preparation method and small-diameter optical fiber | |
| JPH01239035A (en) | Method and apparatus for producing optical fiber | |
| CN107032595B (en) | Preparation method and device for optical fiber preform rod by doping alkali metal | |
| CN206902031U (en) | A kind of manufacturing equipment of low loss fiber | |
| CN102206040B (en) | Horizontal extension device of optical fiber preform | |
| CN210340703U (en) | Plasma deposition apparatus | |
| CN106277746A (en) | A kind of preparation technology of large effective area fiber | |
| EP2532627A1 (en) | Apparatus and method for making an optical fiber preform | |
| KR20070066979A (en) | Method and apparatus for manufacturing low oh overcladding | |
| CN210656694U (en) | Low-loss optical fiber drawing system | |
| ES2394490T3 (en) | Production procedure of a weak attenuation fiber optic |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |