JPS5256548A - Fiber for optical transmission - Google Patents
Fiber for optical transmissionInfo
- Publication number
- JPS5256548A JPS5256548A JP50132635A JP13263575A JPS5256548A JP S5256548 A JPS5256548 A JP S5256548A JP 50132635 A JP50132635 A JP 50132635A JP 13263575 A JP13263575 A JP 13263575A JP S5256548 A JPS5256548 A JP S5256548A
- Authority
- JP
- Japan
- Prior art keywords
- optical transmission
- fiber
- ring portion
- medium
- refractive index
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03605—Highest refractive index not on central axis
- G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
-
- 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
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
- G02B6/03633—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - -
-
- 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
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
- G02B6/03644—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - + -
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
PURPOSE:To provide an optical transmission fiber, in which a portion having a lower refractive index is formed either between an O-ring portion and an inner medium or between the O-ring portion and an outer medium to facilitate control during production.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50132635A JPS5256548A (en) | 1975-11-05 | 1975-11-05 | Fiber for optical transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50132635A JPS5256548A (en) | 1975-11-05 | 1975-11-05 | Fiber for optical transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5256548A true JPS5256548A (en) | 1977-05-10 |
Family
ID=15085926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50132635A Pending JPS5256548A (en) | 1975-11-05 | 1975-11-05 | Fiber for optical transmission |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5256548A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62250324A (en) * | 1986-04-23 | 1987-10-31 | Japan Steel & Tube Constr Co Ltd | Optical fiber sensor for detecting leakage |
JPH04128997U (en) * | 1991-05-16 | 1992-11-25 | 大同工業株式会社 | bicycle chain |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5015565A (en) * | 1973-06-07 | 1975-02-19 | ||
JPS50131535A (en) * | 1974-04-03 | 1975-10-17 |
-
1975
- 1975-11-05 JP JP50132635A patent/JPS5256548A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5015565A (en) * | 1973-06-07 | 1975-02-19 | ||
JPS50131535A (en) * | 1974-04-03 | 1975-10-17 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62250324A (en) * | 1986-04-23 | 1987-10-31 | Japan Steel & Tube Constr Co Ltd | Optical fiber sensor for detecting leakage |
JPH04128997U (en) * | 1991-05-16 | 1992-11-25 | 大同工業株式会社 | bicycle chain |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1553546A (en) | Process for the manufacture of optical fibred with a radial refractive index | |
JPS5250246A (en) | Light transmitting line | |
JPS5256548A (en) | Fiber for optical transmission | |
JPS52120841A (en) | Optical fiber producing apparatus | |
JPS53125854A (en) | Optical transmission system and production therefor | |
JPS51139344A (en) | Method of connecting optical fiber core contained in a pipe | |
JPS5229234A (en) | Optical fiber | |
JPS522441A (en) | Method of adjusting optical parts | |
JPS51119237A (en) | Manufacturing method of glass fiber for optical communication | |
JPS5270852A (en) | Characteristic control method for optical transmission passage | |
JPS5232341A (en) | Optical fiber for electro communication | |
JPS51127743A (en) | Optical fiber and its manufacturing method | |
JPS547940A (en) | Production of optical transmission mdedium | |
JPS52127253A (en) | Mode filter | |
JPS549952A (en) | Optical connector and production of the same | |
JPS53144758A (en) | Production of glass fibers for optical transmission | |
JPS5271248A (en) | Optical fiber material | |
JPS51134639A (en) | Optical fiber coupling method | |
JPS52114338A (en) | Optical transmission fiber | |
JPS5233744A (en) | Optical fiber | |
JPS51138449A (en) | Light transmission fiber and method for fabricating the same | |
JPS531544A (en) | Fusion connecting device for optical fibers | |
JPS52127248A (en) | Photo-coupler | |
JPS5282247A (en) | Fiber for optical transmission | |
JPS51145329A (en) | Connecting tube of light fiber with a protective layer |