JPS5429656A - Optical fiber directivity coupler - Google Patents
Optical fiber directivity couplerInfo
- Publication number
- JPS5429656A JPS5429656A JP9503777A JP9503777A JPS5429656A JP S5429656 A JPS5429656 A JP S5429656A JP 9503777 A JP9503777 A JP 9503777A JP 9503777 A JP9503777 A JP 9503777A JP S5429656 A JPS5429656 A JP S5429656A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- directivity coupler
- fiber directivity
- coupler
- clads
- 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
Abstract
PURPOSE: To reduce the insertion loss while controlling the degree of coupling by removing the clad between optical fibers and disposing clads of different refractive indices.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9503777A JPS5429656A (en) | 1977-08-10 | 1977-08-10 | Optical fiber directivity coupler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9503777A JPS5429656A (en) | 1977-08-10 | 1977-08-10 | Optical fiber directivity coupler |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5429656A true JPS5429656A (en) | 1979-03-05 |
Family
ID=14126873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9503777A Pending JPS5429656A (en) | 1977-08-10 | 1977-08-10 | Optical fiber directivity coupler |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5429656A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60154215A (en) * | 1984-01-25 | 1985-08-13 | Nippon Telegr & Teleph Corp <Ntt> | Fiber type directional coupler |
JPS6190105A (en) * | 1984-10-09 | 1986-05-08 | Sumitomo Electric Ind Ltd | Optical branching device |
JPS63316008A (en) * | 1987-06-18 | 1988-12-23 | Fujitsu Ltd | Production of optical coupler |
JPH01244408A (en) * | 1977-09-30 | 1989-09-28 | Siemens Ag | Mixer for optical fiber |
-
1977
- 1977-08-10 JP JP9503777A patent/JPS5429656A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01244408A (en) * | 1977-09-30 | 1989-09-28 | Siemens Ag | Mixer for optical fiber |
JPS60154215A (en) * | 1984-01-25 | 1985-08-13 | Nippon Telegr & Teleph Corp <Ntt> | Fiber type directional coupler |
JPS6190105A (en) * | 1984-10-09 | 1986-05-08 | Sumitomo Electric Ind Ltd | Optical branching device |
JPS63316008A (en) * | 1987-06-18 | 1988-12-23 | Fujitsu Ltd | Production of optical coupler |
JPH0532726B2 (en) * | 1987-06-18 | 1993-05-17 | Fujitsu Ltd |
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