CN106892557B - A kind of manufacturing method and manufacturing equipment of low loss fiber - Google Patents
A kind of manufacturing method and manufacturing equipment of low loss fiber Download PDFInfo
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- CN106892557B CN106892557B CN201710067440.2A CN201710067440A CN106892557B CN 106892557 B CN106892557 B CN 106892557B CN 201710067440 A CN201710067440 A CN 201710067440A CN 106892557 B CN106892557 B CN 106892557B
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- 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
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- 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
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- 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 the manufacturing method and manufacturing equipment of a kind of low loss fiber, and the manufacturing method outside fiber drawing furnace the following steps are included: be arranged water vapor, after stretching out the hot optical fiber generated in fiber drawing furnace by wire drawing fire door, by water vapor.Manufacturing method provided by the invention and corresponding manufacturing equipment improve inside of optical fibre crystal structure, are optimal internal crystal structure, reduce the Rayleigh scattering of optical fiber in the way of water vapour annealing, to reduce loss, loss is minimum to be down to 0.18db/km.
Description
Technical field
The present invention relates to the manufacturing methods and manufacturing equipment of optical fiber fabrication arts more particularly to a kind of low loss fiber.
Background technique
With the development of optical fiber technology, the long distance transmission of optical fiber is increasing, and existing optical fiber is passed since attenuation is higher
Defeated distance is short, needs to increase the enhancing that relay station carries out signal during long distance transmission, but due to the valence of relay station
Lattice are expensive, and it is hoped that there will be can reducing the construction costs and not influence normal transmission loss smaller in long distance transmission process for operator
Optical fiber.The loss of optical fiber divides intrinsic loss and manufacture loss, and it is that not can avoid that intrinsic loss, which is the intrinsic loss of fiber optic materials,
's.The manufacture loss of optical fiber is that manufacture optical fiber process generates, and some impure ingredients mainly introduced in the fabrication process are (miscellaneous
Matter absorb) and fault of construction caused by, Impurity Absorption is mainly the loss of transition metal ions and the caused light of OH-.
Perfect with optical wand manufacturing process, the loss of transition metal ions and the caused light of OH-is very little, but
It is that the fault of construction of optical fiber brings scattering loss but to exist always.The fault of construction of optical fiber is mainly by the crystal structure of inside of optical fibre
It influences, the structure of inside of optical fibre crystal is mainly influenced by the manufacturing process of optical fiber, and existing optical fiber production process includes that melting is drawn
Wire process, sizing cooling process, annealing operation, wire drawing cooling process, coating process 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 annealing technology schemes for being used to reduce the optical power attenuation that radiation causes, than
The optical power attenuation such as caused using the radiation that thermal annealing reduces passive single mode optical fiber.However, the method for thermal annealing need heat
To 200 DEG C to 300 DEG C just can be effectively reduced radiation cause decaying, the environment of such high temperature may damage or reduce element its
Arround element group function.
In addition, in the prior art, though photic method for annealing has proposed for reducing passive single mode optical fiber, such as glass light
The decaying that the radiation of fine and germnium doped fiber and Er-doped fiber causes, but it is ineffective.
Summary of the invention
Manufacturing process and manufacturing equipment of the present invention by optimization optical fiber, are transformed the structure of inside of optical fibre crystal, reach 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, a kind of manufacturing method of low loss fiber is provided, comprising the following steps:
The step of isolated environment is arranged near wire drawing fire door outside fiber drawing furnace, is entered in fiber drawing furnace with completely cutting off water vapour；
The step of water vapor is arranged outside fiber drawing furnace, stretches out the hot optical fiber generated in fiber drawing furnace by wire drawing fire door
Afterwards, by water vapor；The humidity of the water vapor of setting is 20%~30%；
Be arranged water vapor the step of include being filled with water vapour in the middle section of lucite tube, make hot optical fiber by
Wire drawing fire door enters lucite tube after stretching out, and successively passes through sealing gland gas and water vapor；Wherein, in lucite tube
Distance is filled at sealing gland gas and is filled with water vapour at 10~15mm, and the flow for the water vapour being filled with is 15~30L/min.
Wherein, the step of isolated environment is arranged includes organic glass that the lower section setting both ends of fire door communicate outside fiber drawing furnace
Glass pipe, one end in lucite tube close to wire drawing fire door are filled with sealing gland gas.
Wherein, the step of isolated environment is arranged includes the place the 40~60cm setting organic glass below the outlet of fiber drawing furnace
Pipe, the length of lucite tube are 50~60cm, and diameter is 4~6cm, lucite tube close to one end of wire drawing fire door 15~
Sealing gland gas is filled at 20mm, the flow for the sealing gland gas being filled with is 15~25L/min.
Wherein, manufacturing method further includes the curing process and wire-drawing process for making hot optical fiber after water vapor.
According to another aspect of the present invention, a kind of manufacturing equipment of low loss fiber, including fiber drawing furnace, wire drawing pylon are provided
With water vapour annealing system, water vapour annealing system includes lucite tube, movable bracket component, the control of sealing gland gas flow
The water vapour supply arrangement of device and adjustable flow, fiber drawing furnace and movable bracket component are all set on wire drawing pylon, organic
Glass tube is movably set up in the corresponding 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 of the close fiber drawing furnace of lucite tube is equipped with multiple sealing gland stomatas and multiple water vapour holes,
Multiple sealing gland stomatas and sealing gland gas flow control device pass through pipeline connection, the water vapour in multiple water vapour holes and adjustable flow
Supply arrangement is by pipeline connection, and multiple sealing gland stomatas are than multiple water vapour holes close to the outlet of fiber drawing furnace.
It further include the metal sleeve for being sheathed on lucite tube both ends；
Movable bracket component includes two guide rails and two brackets, and two guide rails are parallel along the short transverse of wire drawing pylon
It is arranged and is fixed on the lower section of fiber drawing furnace, sliding block is equipped on every guide rail, the both ends of two brackets is solid with two sliding blocks respectively
It is fixed.
Every bracket is additionally provided with adjusting screw, and adjusting screw passes through the middle section of bracket, and can be along perpendicular to guide rail
Mobile with the direction spiral of the plane where bracket, the end of adjusting screw is fixedly installed adjusting screw collet, metal sleeve
It is conditioned screw collet 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 holes are located at the middle 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 control cabinet.
In the melt drawing process of fiber manufacturing, the increase of preform diameter and the raising of drawing speed bring inside of optical fibre
Stress increases, and the present invention carries out insulation annealing to the hot optical fiber after wire drawing sizing by water vapor.
The present invention has the advantages that
1. manufacturing method by water vapour anneal in the way of, improve inside of optical fibre crystal structure, make internal crystal structure
It is optimal, reduces the Rayleigh scattering of optical fiber, to reduces loss.
2. manufacturing method scheme is simple, equipment cost is low, reduces loss obviously, is experimentally confirmed, can damage optical fiber
Consumption is reduced to 0.18db/km.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows a kind of process schematic of the manufacturing method of low loss fiber of embodiment according to the present invention；
Fig. 2 shows a kind of water vapour annealing systems of the manufacturing equipment of low loss fiber of embodiment according to the present invention
Schematic diagram；
Fig. 3 shows the lucite tube of the manufacturing equipment of a kind of low loss fiber of embodiment according to the present invention and can
The connection schematic diagram of movable support 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 embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth herein
It is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by the model of the disclosure
It encloses and is fully disclosed to those skilled in the art.
Embodiment according to the present invention proposes that a kind of manufacturing method of low loss fiber, this method include melt drawing
Process, cooling and shaping process, water vapour annealing operation, wire drawing cooling process, working procedure of coating, curing process, wire-drawing process.Such as figure
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
Gravity, from the fire door of fiber drawing furnace 2 decline stretch out, into water vapour annealing system 4 in meet water vapor annealing, then according to
It is secondary through apparatus for supercooling, curing system 5, finally enter winding system 6 and wind agglomerating.
The manufacturing device that the above manufacturing process uses 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 are all set on wire drawing pylon, and lucite tube 15 passes through
Movable bracket component is movably set up in the corresponding 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 equipped with multiple sealing gland stomatas and multiple water vapours
Hole, multiple sealing gland stomatas are connected to 9 pipeline of gas flow control device, the water vapour supply of multiple water vapour holes and adjustable flow
Equipment pipeline connection, multiple sealing gland stomatas are than the multiple water vapour hole close to the outlet of the fiber drawing furnace.
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,
Multiple water vapour holes are located at the middle section of glass tube walls, and the number for connecting stomata is 2, are symmetricly set in glass tube walls,
The number for connecting water vapour hole is 4, is circumferentially positioned in glass tube walls.
Adjusting water vapor supplying apparatus includes water tank 11 and heating water tank and the control cabinet 12 for controlling water tank temperature, control cabinet
12 and water tank 11 be electrically connected.Gas flow control device 9 is equipped with the air inlet being connected to gas supply source.Control cabinet 12 can be with
The steam rates that accurate control water tank 11 generates, guarantee that water vapour will not have an impact fiber strength, gas flow control
Device 9 can accurately control the flow of gas, play the role of sealing gland above glass tube in this way, guarantee that water vapour will not be from top
Outflow.
As shown in Fig. 2-Fig. 3, movable bracket component includes two guide rails 7 and two brackets 8, and two guide rails 7 are along wire drawing
The short transverse of pylon is arranged in parallel and is fixed on the lower section of fiber drawing furnace 2, is set on every guide rail 7 there are two sliding block, same guide rail
On two sliding blocks connect respectively with two ipsilateral one end of bracket so that two brackets are fixed on respectively on two guide rails.
Every bracket 8 is additionally provided with adjusting screw 14, and adjusting screw 14 passes through the middle section of bracket 8, and can be along vertical
Mobile in the direction spiral of the plane where guide rail 7 and bracket 8, the end of adjusting screw 14 is fixedly installed adjusting screw collet
16, fiber manufacturing installation further includes two metal sleeves 13, two 13 sets of metal sleeve external both ends in 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
It is located at two adjusting screw collets 16 on two brackets 8 of movable bracket respectively from both ends fixed clamp.
Lucite tube is mounted on 2 lower section of fiber drawing furnace, and through adjusting screw 14 where perpendicular to guide rail 7 and bracket 8
Accurately adjusting position, guide rail 7 are fixed on wire drawing pylon the direction of plane, 1 meter of the length of guide rail 7, upper end originates in drawing
The lower mouth of silk furnace 2, bracket 8 are moved up and down in guide rail 7, can be along the short transverse accurately adjusting position of fiber drawing furnace.
Wherein the tube wall positioned at the metal sleeve of the exit end of the close fiber drawing furnace of lucite tube 15 corresponds to sealing gland gas
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 connection, the connecting pipeline of the water vapour supply arrangement of adjustable flow pass through through-hole and are connected to corresponding water vapour hole.Metal sleeve
13 main functions are to protect lucite tube 15, 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
Machine glass tube 15 arrives distance 40cm to the 60cm of fiber drawing furnace 2, and the center of lucite tube 15 can pass through adjustable screw
14 are adjusted, and are aligned it with the outlet of fiber drawing furnace.The length of lucite tube 15 is set as 50cm~65cm, and diameter 4cm~
6cm.Humidity by controlling water vapor is 20%~30%, moves back optical fiber 3 water vapor come out from fiber drawing furnace 2
Fire improves the internal crystal structure of optical fiber 3, reaches optimal.
The manufacturing method of the present invention will be illustrated by specific embodiment below.
Embodiment 1
The manufacturing method of low loss fiber X1
The position of the outlet of face fiber drawing furnace is vertically arranged the organic glass that both ends communicate at the lower section 40cm of fiber drawing furnace 2
Pipe 15, the length of lucite tube 15 is 50cm, diameter 4cm, in the organic glass tube wall opposite direction at upper orifice 15cm
Equipped with sealing gland stomata, tracheae is sealedly connected in each sealing gland stomata, the end of each tracheae and the source nitrogen for providing nitrogen connect
Logical, source nitrogen enters the flow of tracheae by the control of gas flow control device 9, makes the nitrogen amount entered in lucite tube 15
Meet sealing gland requirement；Four water are equipped at intervals on organic glass tube wall of the lower section of sealing gland stomata apart from sealing gland stomata 10cm to steam
Steam vent, each water, which steams in hole, is sealedly connected with steam pipe, and the end of each steam pipe is connected to water tank 11, and water tank 11 connects
It is connected to controller 12, controller 12 can control the steam rates for flowing into steam pipe.
When optical fiber production, nitrogen enters lucite tube 15 by tracheae, using gas volume control device 9, control into
The flow for entering the nitrogen of lucite tube 15 is 15L/min；Water tank temperature is heated to 100 degree or more, generates water vapour, water steams
Vapour enters lucite tube 15 by steam pipe, and the flow for the water vapour for entering lucite tube using the control of controller 12 is
30L/min.By above two step, so that being sequentially generated lasting, stable nitrogen environment and water vapour ring in lucite tube 15
Border, and make water vapour since the sealing gland effect of top nitrogen will not flow out above lucite tube 15, so that water
The humid control of steam ambient is 30%.Prefabricated rods are put into fiber drawing furnace, after melt drawing and sizing are cooling, formation temperature
About 1300 DEG C of hot optical fiber, hot optical fiber, which is declined by self gravity by wire drawing fire door, to be stretched out, into lucite tube, by nitrogen
It anneals with water vapor, then successively carries out cooling down, apply, solidify, wire-drawing process, form optical fiber X1.Through detecting, optical fiber X1
Loss be 0.18db/km.
Embodiment 2
The manufacturing method of low loss fiber X2
In the position of the outlet of the lower section 60cm face fiber drawing furnace of fiber drawing furnace 2, it is vertically arranged the organic glass that both ends communicate
Pipe 15, the length of lucite tube 15 is 60cm, diameter 6cm, in the organic glass tube wall opposite direction at upper orifice 20cm
Equipped with sealing gland stomata, tracheae, the end of each tracheae and the source nitrogen of offer nitrogen are sealedly connected in each sealing gland stomata hole
Connection, source nitrogen enter the flow of tracheae by the control of gas flow control device 9；In the lower section of sealing gland stomata apart from sealing gland gas
It is equipped at intervals with four water vapour pores on the organic glass tube wall of hole 15cm, is sealedly connected with water vapour in each water vapour hole
Pipe, the end of each steam pipe are connected to 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.
When optical fiber production, nitrogen enters lucite tube 15 by tracheae, using gas volume 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 is generated, water steams
Vapour enters lucite tube 15 by steam pipe, and the flow of the water vapour of lucite tube 15 is entered using the control of controller 12
For 15L/min.By two above step, so that being sequentially generated lasting, stable nitrogen environment and water in lucite tube 15
Steam ambient, and make water vapour since the sealing gland effect of top nitrogen will not flow out above lucite tube, to make
The humid control of water vapor is obtained 20%.Prefabricated rods are put into fiber drawing furnace, after melt drawing and sizing are cooling, are formed
The hot optical fiber that temperature is about 1300 DEG C, hot optical fiber, which is declined by self gravity by wire drawing fire door, to be stretched out, and into lucite tube, is passed through
Nitrogen and water vapor annealing, then successively carry out cooling down, apply, solidify, wire-drawing process, form optical fiber X2.Through detecting, light
The loss of fine X2 is 0.20db/km.
In conclusion the present invention has the advantages that
1. manufacturing method by water vapour anneal in the way of, improve inside of optical fibre crystal structure, make internal crystal structure
It is optimal, reduces the Rayleigh scattering of optical fiber, to reduces loss.
2. manufacturing method scheme is simple, at low cost, reduces loss obviously, fibre loss can be reduced to 0.18db/km.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (7)
1. a kind of manufacturing method of low loss fiber, which is characterized in that the manufacturing method the following steps are included:
Isolated environment is set near wire drawing fire door outside fiber drawing furnace, is entered in fiber drawing furnace with completely cutting off water vapour；
Water vapor is set outside fiber drawing furnace, after stretching out the hot optical fiber generated in fiber drawing furnace by wire drawing fire door, is steamed by water
Vapour environment；The humidity of the water vapor of setting is 20% ~ 30%；
The step of isolated environment is arranged includes the lucite tube that the lower section setting both ends of the outlet of furnace outside fiber drawing furnace communicate,
One end in lucite tube close to wire drawing fire door is filled with sealing gland gas；
The step of water vapor is arranged includes being filled with water vapour in the middle section of lucite tube, making hot optical fiber by wire drawing
Fire door enters lucite tube after stretching out, and successively passes through sealing gland gas and water vapor；Wherein, in the distance of lucite tube
It is filled at sealing gland gas and is filled with water vapour at 10 ~ 15mm, the flow for the water vapour being filled with is 15 ~ 30L/min.
2. manufacturing method as described in claim 1, which is characterized in that
The step of isolated environment is arranged includes the place the 40 ~ 60cm setting lucite tube below the wire drawing fire door, lucite tube
Length is 50 ~ 60cm, and diameter is 4 ~ 6cm, is filled with sealing gland gas at one end 15 ~ 20mm of the lucite tube close to wire drawing fire door
Body, the flow for the sealing gland gas being filled with are 15 ~ 25L/min.
3. manufacturing method as described in claim 1, which is characterized in that
The manufacturing method further includes the curing process and wire-drawing process for making hot optical fiber after water vapor.
4. a kind of manufacturing equipment of low loss fiber, which is characterized in that anneal including fiber drawing furnace (2), wire drawing pylon and water vapour
System (4), the water vapour annealing system (4) include lucite tube (15), movable bracket component, sealing gland gas flow control
The water vapour supply arrangement of device (9) and adjustable flow processed, the fiber drawing furnace (2) and the movable bracket component are all set in
On the wire drawing pylon, the lucite tube (15) is movably set up in the wire drawing by the movable bracket component
The corresponding position of the outlet of the lower section fiber drawing furnace of furnace (2), the position of the lucite tube (15) can along fiber drawing furnace height 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 equipped with multiple sealing gland stomatas and multiple water
Steam hole, the multiple sealing gland stomata and the sealing gland gas flow control device (9) are steamed by pipeline connection, the multiple water
The water vapour supply arrangement of steam vent and the adjustable flow is steamed by pipeline connection, the multiple sealing gland stomata than the multiple water
Outlet of the steam vent close to the fiber drawing furnace (2).
5. manufacturing equipment as claimed in claim 4, which is characterized in that
The manufacturing equipment further includes the metal sleeve (13) for being sheathed on lucite tube (15) both ends；The movable bracket group
Part includes two guide rail (7) He Lianggen brackets (8), and two guide rails (7) are arranged in parallel simultaneously along the short transverse of the wire drawing pylon
Be fixed on the lower section of fiber drawing furnace (2), be equipped with sliding block on every guide rail (7), the both ends of two brackets (8) respectively with two sliding blocks
It is fixed；
Every bracket (8) is additionally provided with adjusting screw (14), and adjusting screw (14) passes through the middle section of bracket (8), and can edge
Mobile perpendicular to the direction spiral of the plane where guide rail (7) and bracket (8), the end of adjusting screw (14) is fixedly installed tune
It saves screw collet (16), metal sleeve (13) is conditioned screw collet (16) fixed clamp.
6. manufacturing equipment as claimed in claim 4, which is characterized 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 are located at the middle section of the lucite tube (15)；The sealing gland gas
The number in hole is 2, is symmetricly set on the tube wall of lucite tube (15), and the number in the water vapour hole is 4, is uniformly set
It sets on the tube wall of lucite tube (15).
7. manufacturing equipment as claimed in claim 4, which is characterized in that
The water vapour supply arrangement of the adjustable flow includes water tank (11) and control cabinet (12).
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| CN201710067440.2A CN106892557B (en) | 2017-02-07 | 2017-02-07 | A kind of manufacturing method and manufacturing equipment of low loss fiber |
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| CN201710067440.2A CN106892557B (en) | 2017-02-07 | 2017-02-07 | A kind of manufacturing method and manufacturing equipment of low loss fiber |
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| CN106892557B true CN106892557B (en) | 2019-09-13 |
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| 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 |
| 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 |
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 |
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| CN106892557A (en) | 2017-06-27 |
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