CN114114545A - Method for processing optical fiber code by fiber rod tapering - Google Patents
Method for processing optical fiber code by fiber rod tapering Download PDFInfo
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- CN114114545A CN114114545A CN202111448551.0A CN202111448551A CN114114545A CN 114114545 A CN114114545 A CN 114114545A CN 202111448551 A CN202111448551 A CN 202111448551A CN 114114545 A CN114114545 A CN 114114545A
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- optical fiber
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- codes
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000835 fiber Substances 0.000 title claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000003672 processing method Methods 0.000 abstract description 6
- 238000005491 wire drawing Methods 0.000 abstract description 2
- 238000012681 fiber drawing Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- G02B6/24—Coupling light guides
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2552—Splicing of light guides, e.g. by fusion or bonding reshaping or reforming of light guides for coupling using thermal heating, e.g. tapering, forming of a lens on light guide ends
-
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
-
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The invention discloses a method for processing optical fiber codes by tapering an optical fiber rod, which comprises the following steps: processing the optical fiber rod by sections: coating a plurality of layers of reflecting films which are arranged at intervals and have different central wavelengths on the end face of the optical fiber rod, wherein the plurality of layers of reflecting films form a first optical fiber code; sequentially butting the optical fiber rods of different sections from the end face, and fusing the optical fiber rods into an optical fiber coding rod with a plurality of first optical fiber codes at high temperature and high pressure; and sending the optical fiber coding fiber rod into a high-temperature pressure furnace for drawing, and performing equal-proportion extension to obtain an optical fiber coding fiber core with a plurality of second optical fiber codes. The scheme utilizes the optical fiber reflective film technology, directly coats the optical fiber reflective film capable of reflecting specific central wavelength on the end surface of the optical fiber rod, then fuses the segmented optical fiber rod into one rod from the end surface, and sends the rod into a high-temperature high-pressure furnace for wire drawing, thereby realizing the long-distance optical fiber coding processing method with different central wavelengths, and being convenient for realizing large-area mechanical and automatic processing.
Description
Technical Field
The invention relates to the field of optical fiber communication, in particular to a method for processing optical fiber codes by tapering a fiber rod.
Background
The traditional optical fiber coding re-engraving mainly adopts an optical fiber re-engraving mode, wherein the mode is usually used for re-engraving on short-distance optical fibers, and in the aspect of the technology for re-engraving optical fiber coding on long-distance optical fibers, the existing scheme is to synchronously re-engrave optical fiber codes after an optical fiber rod is drawn into optical fibers in an optical fiber drawing tower.
The direct multiple engraving technology of short distance optical fiber can not satisfy the needs that need long distance optical fiber coding in the prior art, and if the optical fiber coding of this technique needs long distance optical fiber, then the optical fiber coding butt fusion that needs many short distance optical fibers establishes ties into the optical fiber coding of long distance optical fiber, and its process increases, the butt fusion decay increases, the splice point is difficult for the protection and easily receives the scheduling problem.
The long-distance optical fiber repeated engraving technology is used for repeatedly engraving optical fiber codes when the optical fiber is drawn in a drawing tower, and the optical fiber codes with the same wavelength can only be repeatedly engraved in the prior art due to the influence of drawing speed and the like.
The two methods can not realize the automatic processing of the optical fiber codes with long distance and different central wavelength, so that the application of the optical fiber coding technology is seriously limited. Therefore, a relatively simple method for realizing the optical fiber coding processing method with long distance and different central wavelengths is needed to break through the existing optical fiber coding processing method and realize large-area mechanical and automatic processing.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a method for processing optical fiber codes by tapering an optical fiber rod, which can realize the optical fiber code processing method with long distance and different central wavelengths.
The method for processing the optical fiber code by tapering the optical fiber rod comprises the following steps:
processing the optical fiber rod by sections: coating a plurality of layers of reflecting films which are arranged at intervals and have different central wavelengths on the end face of the optical fiber rod, wherein the plurality of layers of reflecting films form a first optical fiber code;
sequentially butting the optical fiber rods of different sections from the end face, and fusing the optical fiber rods into an optical fiber coding rod with a plurality of first optical fiber codes at high temperature and high pressure;
and sending the optical fiber coding fiber rod into a high-temperature pressure furnace for drawing, and performing equal-proportion extension to obtain an optical fiber coding fiber core with a plurality of second optical fiber codes.
The method for processing the optical fiber code by tapering the optical fiber rod according to the embodiment of the invention at least has the following beneficial effects: the scheme utilizes the optical fiber reflective film technology, the end face of the optical fiber rod is directly coated with the optical fiber reflective film capable of reflecting specific central wavelength, the optical fiber reflective film has the advantages of being capable of being fused with optical fiber media, meanwhile, the characteristics of a spray coating mode, extremely thin thickness, extensibility and the like can be adopted, the optical fiber reflective film is particularly suitable for being directly dissolved in the optical fiber rod to be directly processed into an optical fiber code, the segmented optical fiber rod is welded into one piece from the end face and sent into a high-temperature high-pressure furnace for wire drawing, and therefore the long-distance optical fiber code processing method with different central wavelengths is achieved, and large-area mechanization and automatic processing can be achieved conveniently.
According to some embodiments of the invention, further comprising determining a coefficient of proportional extension k, k R/R0, wherein R is a diameter of the fiber-coded rod and R0 is a diameter of the fiber-coded core.
According to some embodiments of the invention, further comprising determining a spacing N00 adjacent the second fiber code, by setting the spacing adjacent the first fiber code to L00, L00-N00/k.
According to some embodiments of the present invention, further comprising determining a reflective film thickness N01 for the second fiber code, by setting the reflective film thickness for the first fiber code to L01, L01 ═ N01/k.
According to some embodiments of the present invention, further comprising determining a reflective film spacing N02 for the second fiber code, by setting the reflective film spacing for the first fiber code to L02, L02 ═ N02/k.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a flowchart of a method for tapering an optical fiber to process an optical fiber code according to an embodiment of the present invention;
FIG. 2 is a schematic view of an optical fiber encoded rod drawn into an optical fiber encoded core according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an optical fiber encoding rod according to an embodiment of the present invention;
FIG. 4 is a side view of an optical fiber encoding fiber rod according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 4, a method for tapering an optical fiber rod to process an optical fiber code according to an embodiment of the present invention includes the following steps:
segmented processing of the optical fiber rod 100: coating a plurality of layers of reflecting films 101 which are arranged at intervals and have different central wavelengths on the end face of the optical fiber rod 100, wherein the thickness of the reflecting film is L01, the interval of the reflecting film is L02, the plurality of layers of reflecting films 101 form a first optical fiber code 110, and the interval of the reflecting film of the adjacent first optical fiber code 110 is L00;
after coating and coating a plurality of layers of reflecting films 101 which are arranged at intervals and have different central wavelengths, sequentially butting the optical fiber rods 100 of different sections from the end faces, and fusing the optical fiber rods 100 into an optical fiber coding rod 100 with a plurality of first optical fiber codes 110 at high temperature and high pressure;
the optical fiber coding rod 100 is sent into a high-temperature pressure furnace 200 for drawing, the outlet at the lower end of the high-temperature pressure furnace 200 is conical so as to facilitate drawing, the high temperature enables the optical fiber coding rod 100 to be softened, under the pressure condition, the optical fiber coding rod 100 is drawn into an optical fiber which is directly R0, the structural form of the optical fiber coding rod 100 is not changed due to the fact that the optical fiber coding rod 100 is only softened, and the optical fiber coding rod is extended in equal proportion after high-temperature pressure drawing so as to obtain an optical fiber coding fiber core 300 with a plurality of second optical fiber codes 310.
It can be seen that the present scheme is to utilize the optical fiber reflective film technology, the end face of the optical fiber rod 100 is directly coated with the optical fiber reflective film capable of reflecting the specific central wavelength, the optical fiber reflective film has the advantage of being fused with the optical fiber medium, and simultaneously, the characteristics of the optical fiber reflective film, such as the spray coating mode, the extremely thin thickness, the extensibility and the like can be adopted, the optical fiber reflective film is particularly suitable for being directly dissolved in the optical fiber rod 100 to be directly processed into the optical fiber code, the segmented optical fiber rod 100 is welded into one piece from the end face, and the piece is sent into a high-temperature high-pressure furnace to be drawn, so that the optical fiber code processing method with long distance and different central wavelengths is realized, and the large-area mechanical and automatic processing is convenient to realize.
In particular, in some embodiments of the present invention, determining a coefficient of proportional extension k, k — R/R0, where R is the diameter of the fiber-coded rod 100 and R0 is the diameter of the fiber-coded core 300, is further included.
Further, using the proportional extension coefficient k, in some embodiments of the present invention, the method further includes determining an interval N00 between adjacent second optical fiber codes, and setting the interval between adjacent first optical fiber codes to L00, and L00 to N00/k, so that the interval N00 between adjacent second optical fiber codes is obtained after drawing in the high temperature pressure furnace 200.
Further, using the proportional extension coefficient k, in some embodiments of the present invention, determining the thickness of the reflective film N01 encoded by the second optical fiber, wherein the thickness of the reflective film encoded by the first optical fiber is set to L01, and L01 is N01/k, and the extension also occurs after the fiber drawing in the high temperature pressure furnace 200, so as to obtain the thickness of the reflective film N01 encoded by the second optical fiber.
Further, using the proportional stretch coefficient k, in some embodiments of the present invention, determining the reflective film spacing N02 of the second optical fiber code, and setting the reflective film spacing of the first optical fiber code to L02, L02 to N02/k, so that stretching also occurs after drawing in the high temperature pressure furnace 200, thereby obtaining the reflective film spacing N02 of the second optical fiber code.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. A method for processing optical fiber codes by tapering a fiber rod is characterized by comprising the following steps:
processing the optical fiber rod by sections: coating a plurality of layers of reflecting films which are arranged at intervals and have different central wavelengths on the end face of the optical fiber rod, wherein the plurality of layers of reflecting films form a first optical fiber code;
sequentially butting the optical fiber rods of different sections from the end face, and fusing the optical fiber rods into an optical fiber coding rod with a plurality of first optical fiber codes at high temperature and high pressure;
and sending the optical fiber coding fiber rod into a high-temperature pressure furnace for drawing, and performing equal-proportion extension to obtain an optical fiber coding fiber core with a plurality of second optical fiber codes.
2. The method of claim 1, wherein the method comprises: and determining a coefficient of proportional extension k, k being R/R0, wherein R is the diameter of the fiber-coded rod and R0 is the diameter of the fiber-coded core.
3. The method of claim 2, wherein the method comprises: the method further comprises the step of determining the interval N00 of the codes adjacent to the second optical fiber, wherein the interval of the codes adjacent to the first optical fiber is set to be L00, and L00 is N00/k.
4. The method of claim 2, wherein the method comprises: further comprising determining a reflective film thickness N01 for the second fiber code, L01 being N01/k by setting the reflective film thickness for the first fiber code to L01.
5. The method of claim 2, wherein the method comprises: the method further comprises determining a reflective film spacing N02 for the second optical fiber code, wherein the reflective film spacing for the first optical fiber code is set to L02, L02N 02/k.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111448551.0A CN114114545A (en) | 2021-11-30 | 2021-11-30 | Method for processing optical fiber code by fiber rod tapering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111448551.0A CN114114545A (en) | 2021-11-30 | 2021-11-30 | Method for processing optical fiber code by fiber rod tapering |
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| Publication Number | Publication Date |
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| CN114114545A true CN114114545A (en) | 2022-03-01 |
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| CN202111448551.0A Pending CN114114545A (en) | 2021-11-30 | 2021-11-30 | Method for processing optical fiber code by fiber rod tapering |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205450392U (en) * | 2016-03-17 | 2016-08-10 | 北京中科光讯科技有限公司 | Optical fiber jumper wire device that can onlyly discern |
| CN108254827A (en) * | 2018-01-16 | 2018-07-06 | 上海飞博激光科技有限公司 | A kind of optical fiber of integration of active and passive optical transmission and preparation method thereof |
| US20200013464A1 (en) * | 2017-12-14 | 2020-01-09 | Airbus Operations Limited | System installed on an aircraft |
| CN111698031A (en) * | 2020-06-08 | 2020-09-22 | 中山水木光华电子信息科技有限公司 | Membrane type optical fiber coding memory and identification system |
| CN111693078A (en) * | 2020-06-23 | 2020-09-22 | 中山水木光华电子信息科技有限公司 | Membrane type optical fiber code identification system and method |
| CN212391614U (en) * | 2020-06-24 | 2021-01-22 | 中山水木光华电子信息科技有限公司 | Identification system based on different wavelength optical fiber coding |
| CN112787715A (en) * | 2021-01-05 | 2021-05-11 | 中山水木光华电子信息科技有限公司 | Method and system for identifying optical fiber codes with different reflectivities |
-
2021
- 2021-11-30 CN CN202111448551.0A patent/CN114114545A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205450392U (en) * | 2016-03-17 | 2016-08-10 | 北京中科光讯科技有限公司 | Optical fiber jumper wire device that can onlyly discern |
| US20200013464A1 (en) * | 2017-12-14 | 2020-01-09 | Airbus Operations Limited | System installed on an aircraft |
| CN108254827A (en) * | 2018-01-16 | 2018-07-06 | 上海飞博激光科技有限公司 | A kind of optical fiber of integration of active and passive optical transmission and preparation method thereof |
| CN111698031A (en) * | 2020-06-08 | 2020-09-22 | 中山水木光华电子信息科技有限公司 | Membrane type optical fiber coding memory and identification system |
| CN111693078A (en) * | 2020-06-23 | 2020-09-22 | 中山水木光华电子信息科技有限公司 | Membrane type optical fiber code identification system and method |
| CN212391614U (en) * | 2020-06-24 | 2021-01-22 | 中山水木光华电子信息科技有限公司 | Identification system based on different wavelength optical fiber coding |
| CN112787715A (en) * | 2021-01-05 | 2021-05-11 | 中山水木光华电子信息科技有限公司 | Method and system for identifying optical fiber codes with different reflectivities |
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