CN116520482B - Optical fiber with good transmission performance and manufacturing method thereof - Google Patents
Optical fiber with good transmission performance and manufacturing method thereof Download PDFInfo
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- CN116520482B CN116520482B CN202310562081.3A CN202310562081A CN116520482B CN 116520482 B CN116520482 B CN 116520482B CN 202310562081 A CN202310562081 A CN 202310562081A CN 116520482 B CN116520482 B CN 116520482B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 80
- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 62
- 238000005253 cladding Methods 0.000 claims abstract description 42
- 239000003063 flame retardant Substances 0.000 claims abstract description 28
- 238000002955 isolation Methods 0.000 claims description 29
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 26
- 239000000843 powder Substances 0.000 claims description 20
- 239000004575 stone Substances 0.000 claims description 20
- 239000011248 coating agent Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 15
- 239000003365 glass fiber Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 229910052732 germanium Inorganic materials 0.000 claims description 4
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 abstract description 27
- 230000003287 optical effect Effects 0.000 abstract description 14
- 230000006378 damage Effects 0.000 abstract description 12
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 4
- 235000013312 flour Nutrition 0.000 abstract 1
- 238000004321 preservation Methods 0.000 description 13
- 238000004891 communication Methods 0.000 description 7
- 230000002209 hydrophobic effect Effects 0.000 description 6
- -1 polyethylene Polymers 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002674 ointment Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02395—Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture
-
- 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
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to the technical field of optical fibers, in particular to an optical fiber with good transmission performance and a manufacturing method thereof. The invention has the advantages that: can separate a plurality of with optic fibre through optic fibre spacer frame to further fix the fiber core that is equipped with the inner cladding through anti-skidding mountain flour, prevent the phenomenon of the pipeline damage that rubs each other between the optic fibre, and the effectual life who improves this optic fibre guarantees that optic fibre's transmission rate is stable, on the other hand is furnished with fire-retardant layer in the optical cable and avoids external high temperature or open flame to cause the injury to inside optic fibre area.
Description
Technical Field
The invention relates to the technical field of optical fiber manufacturing, in particular to an optical fiber with good transmission performance and a manufacturing method thereof.
Background
With the rapid development of communication industry in China, the construction of long-distance core network optical cables between provinces and between large cities is basically formed, and network optical cables such as local loop networks, subscriber loop networks, cable television networks and the like are also attracting more and more attention.
In the communication system, optical fibers are required to carry out long-distance communication, and because of the limitation of the transmission distance of network wires, for example, common network wires can only transmit more than one hundred meters, and more than five types of wires, namely 200 meters, the long-distance expansion of a local area network is greatly restricted. The optical fiber can transmit hundreds of kilometers, has the advantages of wide transmission frequency band, large communication capacity, good confidentiality, low loss, small interference compared with electromagnetic communication and the like, and is increasingly widely applied to the field of communication transmission, and the optical fiber is mainly based on the advantages of reusability of the optical fiber, working capacity under severe environment adaptation, multifunction, electromagnetic interference resistance, high precision and the like. With the development of economies, the development of networks has placed new demands on optical fibers. The next generation transport networks require higher rates, greater capacity, lower losses, and such demands are not optical networks.
The performance of communication optical fibers mainly develops in three directions, namely, the optical fiber loss is reduced, the transmission rate is improved, the bandwidth is enlarged, and the nonlinearity of the optical fibers is reduced. From the optical fiber perspective, high-speed transmission has high requirements on chromatic dispersion and polarization modes, and the internationally-developed optical fiber transmission rate is fast, 100G, 400G and even 1T, and the matched optical fiber is required to have higher performance.
To solve the current embarrassment that ultra-high speed transmission is limited, a novel optical fiber with better performance, namely a novel optical fiber with smaller insertion loss, larger effective area and smaller PMD value, is required to be adopted.
The low-loss characteristic of the low-loss optical fiber is very suitable for the application of ultra-long-distance, large-capacity and high-speed network transmission, so that the high-capacity and low-loss optical cable is realized, the innovation of the optical fiber material and the manufacturing process is realized, the innovation of the optical cable structural design is realized, and the effect is also realized.
Disclosure of Invention
The object of the present invention is to solve at least one of the technical drawbacks.
The invention aims to overcome the defects of the prior art, solve the problems in the background art and provide an optical fiber with good transmission performance and a manufacturing method thereof.
The aim of the invention is achieved by the following technical scheme: the utility model provides an optical fiber with good transmission performance and manufacturing method thereof, includes the fiber core, the fiber core outside is provided with the inner wrapping layer, the outside of inner wrapping layer is provided with anti-skidding stone powder, the outside of anti-skidding stone powder is provided with the spacer sleeve, the spacer sleeve outside is provided with the heat preservation that has the strengthening rib structure, the heat preservation outside is provided with flame retardant coating, the flame retardant coating outside is provided with waterproof outer covering, still be provided with the optic fibre spacer frame between inner wrapping layer and the spacer sleeve, optic fibre by fiber core, inner wrapping layer, waterproof outer covering, anti-skidding stone powder, spacer sleeve, heat preservation, flame retardant coating and optic fibre spacer frame, this optical fiber with good transmission performance can cut apart a plurality of and optic fibre through the optical fiber spacer frame to further fix the fiber core that is equipped with the inner wrapping layer through anti-skidding stone powder, prevent the mutual friction between the optic fibre, and the phenomenon that the pipeline that causes damages produces, the effectual life who improves this optic fibre, guarantee that the transmission rate of optic fibre is stable, on the other hand, the inner flame retardant coating avoids external high temperature to be furnished with the fire to the inside to cause the injury, set up the flame retardant coating can prevent that the influence of temperature to optic cable from setting up the waterproof layer, this waterproof layer can further improve the inside the waterproof device, can prevent that this outside from entering into the inside of the waterproof device from the practical device.
Preferably, the optical fiber isolation frame comprises a frame body, wherein the frame body is provided with a light wire groove, and the fiber core provided with the inner cladding is arranged in the light wire groove.
Preferably, the waterproof outer wrapping layer is made of polyethylene, and is sprayed with a hydrophobic material, and the hydrophobic material adopts waterproof ointment or polytetrafluoroethylene.
Preferably, the waterproof outer cladding is internally provided with a plurality of metal structure reinforcing wires.
Preferably, the optical fiber isolation frame is composed of a fixed rod and a fixed ring sleeved on the fixed rod, a through hole is formed in the center of the fixed ring, and the wire frame is fixed on the fixed rod.
Preferably, the heat preservation layer is made of sponge materials with buffering and heat preservation functions.
Preferably, a tensile film on one side is arranged in the heat preservation layer, and the tensile film adopts an aluminum film with the thickness of 0.05-0.08 mm.
Preferably, the flame-retardant layer is made of flame-retardant PVC material.
A manufacturing method of an optical fiber with good transmission performance is characterized in that: the method comprises the following steps:
1) And (3) firstly melting a proper glass rod, uniformly doping germanium when preparing a fiber core glass rod, preparing cladding glass, and uniformly doping boron when preparing the cladding glass, so as to prepare the optical fiber preform.
2) Heating and softening an optical fiber preform in a drawing furnace at 2000 ℃, drawing into glass fiber with a wire diameter of 10-100um, coating an epoxy acrylic resin coating material outside the glass fiber through a coating cup, and heating and curing the glass fiber in a curing furnace to prepare a fiber core;
3) After the fiber core is manufactured, an inner cladding is adjusted outside the fiber core, and the fiber core is protected;
4) The fiber core with the inner cladding is arranged in a light wire groove of the isolation frame, the root fiber core is isolated, and an isolation sleeve is sleeved outside the isolation frame;
5) Filling anti-slip stone powder in the gap of the isolation sleeve and the isolation frame;
6) The insulation layer, the flame retardant layer and the waterproof outer wrapping layer are sequentially sleeved outside the isolation sleeve.
Compared with the prior art, the invention has the following advantages:
the optical fiber with good transmission performance comprises a fiber core, an inner cladding, a waterproof outer cladding, anti-skid stone powder, a spacer sleeve, a heat insulation layer, a flame retardant layer and an optical fiber spacer frame, wherein the optical fiber with good transmission performance can be separated from a plurality of optical fibers through the optical fiber spacer frame, the fiber core provided with the inner cladding is further fixed through the anti-skid stone powder, the optical fibers are prevented from being rubbed with each other, the damage phenomenon of a pipeline is caused, the service life of the optical fiber is effectively prolonged, the stable transmission speed of the optical fiber is ensured, on the other hand, the optical cable is internally provided with the flame retardant layer to avoid damage to an internal optical fiber belt caused by external high temperature or open flame, the influence of the external temperature on the optical cable can be prevented by the thermal insulation layer, the waterproof outer cladding is arranged to improve the waterproof effect of the optical fiber, water can be prevented from entering the inside, and the multi-layer protection structure can further improve the practicability of the device.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of an optical fiber isolation frame according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a fiber optic spacer according to an embodiment of the present invention.
In the figure: 1-fiber core, 2-inner cladding, 3-waterproof outer cladding, 4-antiskid stone powder, 5-isolation sleeve, 6-heat preservation layer, 7-flame retardant layer, 8-fiber isolation frame, 801-frame body, 802-wire groove, 803-fixed rod and 804-wire frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Embodiment one: as shown in fig. 1 and 2, an optical fiber with good transmission performance and a manufacturing method thereof, the optical fiber comprises a fiber core 1, an inner cladding 2, a waterproof outer cladding 3, an anti-slip stone powder 4, a spacer sleeve 5, a heat insulation layer 6, a flame retardant layer 7 and an optical fiber spacer frame 8, wherein the inner cladding 2 is arranged outside the fiber core 1, the anti-slip stone powder 4 is arranged outside the inner cladding 2, the spacer sleeve 5 is arranged outside the anti-slip stone powder 4, the heat insulation layer 6 with a reinforcing rib structure is arranged outside the spacer sleeve 5, the flame retardant layer 7 is arranged outside the heat insulation layer 6, the waterproof outer cladding 3 is arranged outside the flame retardant layer 7, the optical fiber spacer frame 8 is also arranged between the inner cladding 2 and the spacer sleeve 5, the optical fiber spacer frame 8 comprises a frame body 801, a light wire groove 802 is arranged on the frame body 801, the fiber core 1 provided with the inner cladding 2 is arranged inside the light wire groove 802, the waterproof outer cladding 3 is made of polyethylene, a hydrophobic material is sprayed on the waterproof outer cladding 3, the hydrophobic material adopts waterproof ointment or polytetrafluoroethylene, the waterproof outer cladding 3 is internally provided with a plurality of metal structure reinforcing wires, the heat preservation layer 6 is made of sponge materials with buffering and heat preservation functions, the heat preservation layer 6 is internally provided with a side tensile film, the tensile film adopts an aluminum film with the thickness of 0.05-0.08mm, the flame retardant layer 7 is made of flame retardant PVC materials, the optical fibers can be separated by the optical fiber isolation frame 8, the fiber cores 1 with inner cladding are further fixed by the anti-skid stone powder 4, the occurrence of the phenomenon of pipeline damage caused by mutual friction among the optical fibers is prevented, the service life of the optical fibers is effectively prolonged, the stable transmission speed of the optical fibers is ensured, on the other hand, the optical cable is internally provided with the flame retardant layer to avoid the damage to the inner optical fiber belt caused by external high temperature or open flame, the influence of external temperature on the optical cable can be prevented by arranging the thermal insulation layer 6, the waterproof effect of the optical fiber is improved by arranging the waterproof outer wrapping layer 3, water can be prevented from entering the inside, and the practicability of the device can be further improved by the multilayer protection structure.
A method of manufacturing an optical fiber having good transmission properties, comprising the steps of:
1) And (3) firstly melting a proper glass rod, uniformly doping germanium when preparing a fiber core glass rod, preparing cladding glass, and uniformly doping boron when preparing the cladding glass, so as to prepare the optical fiber preform.
2) Heating and softening an optical fiber preform in a drawing furnace at 2000 ℃, drawing into glass fiber with a wire diameter of 10-100um, coating an epoxy acrylic resin coating material outside the glass fiber through a coating cup, and heating and curing the glass fiber in a curing furnace to prepare a fiber core;
3) After the fiber core 1 is manufactured, the inner cladding 2 is adjusted outside the fiber core to protect the fiber core;
4) The fiber core 1 with the inner cladding 2 is arranged in a light ray groove 802 of the isolation frame 8, the root fiber core is isolated, and an isolation sleeve 5 is sleeved outside the isolation frame 8;
5) Filling anti-slip stone powder 4 in the gap between the isolation sleeve 5 and the isolation frame 8;
6) The insulation layer 6, the flame retardant layer 7 and the waterproof outer wrapping layer 3 are sequentially sleeved outside the isolation sleeve 5.
Embodiment two: as shown in fig. 2 and 3, another embodiment of the present invention provides an optical fiber with good transmission performance and a method for manufacturing the same, which comprises a fiber core 1, an inner cladding 2, a waterproof outer cladding 3, an anti-slip stone powder 4, a spacer 5, a heat insulating layer 6, a flame retardant layer 7 and an optical fiber spacer 8, wherein the inner cladding 2 is arranged outside the fiber core 1, the anti-slip stone powder 4 is arranged outside the inner cladding 2, the spacer 5 is arranged outside the anti-slip stone powder 4, the heat insulating layer 6 with a reinforcing rib structure is arranged outside the spacer 5, the flame retardant layer 7 is arranged outside the flame retardant layer 7, the waterproof outer cladding 3 is arranged outside the inner cladding 2, the optical fiber spacer 8 is further arranged between the spacer 5 and the spacer 2, the optical fiber spacer 8 is composed of a fixing rod 803 and a fixing ring 804 sleeved on the fixing rod 803, the center of the fixing ring 804 is provided with a through hole, a groove for installing an optical fiber is also arranged on the fixing ring 804, the wire frame 804 is fixed on the fixing rod 803, the waterproof outer wrapping layer 3 is made of polyethylene, the waterproof outer wrapping layer 3 is sprayed with hydrophobic material, the hydrophobic material adopts waterproof ointment or polytetrafluoroethylene, the inside of the waterproof outer wrapping layer 3 is provided with metal structure reinforcing wires, the number of the metal structure reinforcing wires is a plurality of, the heat preservation layer 6 is made of sponge material with buffering and heat preservation functions, the inside of the heat preservation layer 6 is provided with one side tensile film, the tensile film is made of an aluminum film with the thickness of 0.05-0.08mm, the flame retardant layer 7 is made of flame retardant PVC material, the optical fiber isolation frame 8 can divide a plurality of optical fibers, the fiber cores 1 provided with the inner wrapping layer are further fixed through the anti-skid stone powder 4, the phenomenon of pipeline damage caused by mutual friction is prevented, the service life of the optical fiber is effectively improved, the transmission speed of the optical fiber is ensured to be stable, on the other hand, be furnished with flame retardant coating in the optical cable and avoid external high temperature or open flame to cause the injury to inside optic fibre area, set up insulating layer 6 and can prevent outside temperature to the influence of optical cable, set up waterproof surrounding layer 3 and improve the water-proof effects of this optic fibre, can prevent that water from getting into inside, above-mentioned multilayer protection architecture can further improve the practicality of device.
A method of manufacturing an optical fiber having good transmission properties, comprising the steps of:
1) And (3) firstly melting a proper glass rod, uniformly doping germanium when preparing a fiber core glass rod, preparing cladding glass, and uniformly doping boron when preparing the cladding glass, so as to prepare the optical fiber preform.
2) Heating and softening an optical fiber preform in a drawing furnace at 2000 ℃, drawing into glass fiber with a wire diameter of 10-100um, coating an epoxy acrylic resin coating material outside the glass fiber through a coating cup, and heating and curing the glass fiber in a curing furnace to prepare a fiber core;
3) After the fiber core 1 is manufactured, the inner cladding 2 is adjusted outside the fiber core to protect the fiber core;
4) The fiber core 1 with the inner cladding 2 is arranged in a groove which is arranged on the fixed ring 804 and is used for installing optical fibers, the root fiber core is isolated, and an isolating sleeve 5 is sleeved outside the isolating frame 8;
5) Filling anti-slip stone powder 4 in the gap between the isolation sleeve 5 and the isolation frame 8;
6) The insulation layer 6, the flame retardant layer 7 and the waterproof outer wrapping layer 3 are sequentially sleeved outside the isolation sleeve 5.
Compared with the prior art, the invention has the following beneficial effects compared with the prior art:
this optical fiber that transmission performance is good can separate a plurality of with the optical fiber through optical fiber isolation frame 8 to further fix the fiber core 1 that is equipped with the inner cladding through antiskid stone powder 4, prevent the mutual friction between the optical fiber, and the phenomenon that the pipeline that causes damages produces, the effectual life who improves this optical fiber, guarantee that the transmission rate of optical fiber is stable, on the other hand, be furnished with flame retardant coating in the optical cable and avoid external high temperature or open flame to cause the injury to inside optical fiber area, set up insulating layer 6 can prevent the influence of external temperature to the optical cable, set up waterproof surrounding layer 3 and improve the water-proof effects of this optical fiber, can prevent that water from getting into inside, above-mentioned multilayer protection architecture can further improve the practicality of device.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A manufacturing method of an optical fiber with good transmission performance is characterized in that: the method comprises the following steps: 1) Firstly, melting a proper glass rod, preparing a fiber core glass rod, uniformly doping germanium, preparing cladding glass, uniformly doping boron during the preparation to prepare an optical fiber preform, 2) placing the optical fiber preform into a drawing furnace at 2000 ℃ for heating and softening, drawing into a glass fiber with the wire diameter of 10-100 mu m, simultaneously coating an epoxy propylene resin coating material outside the glass fiber through a coating cup, and heating and curing in a curing furnace to prepare the fiber core; 3) After the fiber core (1) is manufactured, an inner cladding (2) is adjusted outside the fiber core to protect the fiber core; 4) The fiber cores (1) with the inner cladding layers (2) are arranged in the light grooves (802) of the isolation frames (8), the fiber cores are isolated, and the isolation sleeves (5) are sleeved outside the isolation frames (8); 5) Filling anti-slip stone powder (4) in the gap between the isolation sleeve (5) and the isolation frame (8); 6) The insulation layer (6), the flame retardant layer (7) and the waterproof outer wrapping layer (3) are sequentially sleeved outside the isolation sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310562081.3A CN116520482B (en) | 2023-05-18 | 2023-05-18 | Optical fiber with good transmission performance and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310562081.3A CN116520482B (en) | 2023-05-18 | 2023-05-18 | Optical fiber with good transmission performance and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN116520482A CN116520482A (en) | 2023-08-01 |
| CN116520482B true CN116520482B (en) | 2024-04-12 |
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