JPS5741602A - Plural core optical fiber and its production - Google Patents
Plural core optical fiber and its productionInfo
- Publication number
- JPS5741602A JPS5741602A JP55117209A JP11720980A JPS5741602A JP S5741602 A JPS5741602 A JP S5741602A JP 55117209 A JP55117209 A JP 55117209A JP 11720980 A JP11720980 A JP 11720980A JP S5741602 A JPS5741602 A JP S5741602A
- Authority
- JP
- Japan
- Prior art keywords
- fibers
- grooves
- axial direction
- outside circumference
- sticking
- 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.)
- Pending
Links
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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2856—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers formed or shaped by thermal heating means, e.g. splitting, branching and/or combining elements
-
- 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
- G02B6/02042—Multicore optical fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
PURPOSE:To improve mechanical strength and space factor and to facilitate the normalization of positions by the grooves on the outside circumference and the discrimination of fibers by disposing plural pieces of optical fibers in parallel along the axial direction, and sticking only the mutually adjacent parts by melt-sticking. CONSTITUTION:Plural pieces of optical fibers 23a-23c consisting of cores 21a-21c and clads 22a-22c are disposed in parallel along their axial direction, and only the mutually adjacent parts 24a-24c are melt-stuck, whereby plural grooves 26a-26c along the axial direction are formed on the outside circumference. Then, the fibers hardly receive deformation, and high strength is retained despite the reduction of the diameters of the respective fibers. If the grooves on the outside circumference are utilized, axial alignment is easy in connection. The shape may be a flat shape or a star shape as shown in figure 4. If necessary, a dummy fiber of glass material is used for the central fiber 31.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55117209A JPS5741602A (en) | 1980-08-26 | 1980-08-26 | Plural core optical fiber and its production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55117209A JPS5741602A (en) | 1980-08-26 | 1980-08-26 | Plural core optical fiber and its production |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5741602A true JPS5741602A (en) | 1982-03-08 |
Family
ID=14706085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55117209A Pending JPS5741602A (en) | 1980-08-26 | 1980-08-26 | Plural core optical fiber and its production |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5741602A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0694174A1 (en) * | 1993-04-06 | 1996-01-31 | Porta Systems Corporation | Fiberoptic coupling |
WO1999005550A1 (en) * | 1997-07-25 | 1999-02-04 | Corning Incorporated | Multicore glass optical fiber and methods of manufacturing such fibres |
US6154594A (en) * | 1998-07-15 | 2000-11-28 | Corning Incorporated | Multicore glass optical fiber and methods of manufacturing such fibers |
US7349611B2 (en) | 2001-06-08 | 2008-03-25 | Crystal Fibre A/S | Photonic bandgap fibre, and use thereof |
US8045259B2 (en) | 2005-11-18 | 2011-10-25 | Nkt Photonics A/S | Active optical fibers with wavelength-selective filtering mechanism, method of production and their use |
JP2021162624A (en) * | 2020-03-30 | 2021-10-11 | 古河電気工業株式会社 | Fiber connection structure and method for connecting multiple coated optical fibers and multi-core fiber |
-
1980
- 1980-08-26 JP JP55117209A patent/JPS5741602A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0694174A1 (en) * | 1993-04-06 | 1996-01-31 | Porta Systems Corporation | Fiberoptic coupling |
WO1999005550A1 (en) * | 1997-07-25 | 1999-02-04 | Corning Incorporated | Multicore glass optical fiber and methods of manufacturing such fibres |
US6154594A (en) * | 1998-07-15 | 2000-11-28 | Corning Incorporated | Multicore glass optical fiber and methods of manufacturing such fibers |
US7349611B2 (en) | 2001-06-08 | 2008-03-25 | Crystal Fibre A/S | Photonic bandgap fibre, and use thereof |
US8045259B2 (en) | 2005-11-18 | 2011-10-25 | Nkt Photonics A/S | Active optical fibers with wavelength-selective filtering mechanism, method of production and their use |
JP2021162624A (en) * | 2020-03-30 | 2021-10-11 | 古河電気工業株式会社 | Fiber connection structure and method for connecting multiple coated optical fibers and multi-core fiber |
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