JPS5435759A - Measuring method of numerical aperture of optical fibers - Google Patents
Measuring method of numerical aperture of optical fibersInfo
- Publication number
- JPS5435759A JPS5435759A JP10199377A JP10199377A JPS5435759A JP S5435759 A JPS5435759 A JP S5435759A JP 10199377 A JP10199377 A JP 10199377A JP 10199377 A JP10199377 A JP 10199377A JP S5435759 A JPS5435759 A JP S5435759A
- Authority
- JP
- Japan
- Prior art keywords
- numerical aperture
- optical fibers
- measuring method
- incidence
- ease
- 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.)
- Granted
Links
Landscapes
- Light Guides In General And Applications Therefor (AREA)
Abstract
PURPOSE: To measure numerical aperture with ease and high accuracy by actually measuring the maximum angle of the remote field image of the exit light at the incidence of the beam close to parallel.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10199377A JPS5435759A (en) | 1977-08-25 | 1977-08-25 | Measuring method of numerical aperture of optical fibers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10199377A JPS5435759A (en) | 1977-08-25 | 1977-08-25 | Measuring method of numerical aperture of optical fibers |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5435759A true JPS5435759A (en) | 1979-03-16 |
JPS6246821B2 JPS6246821B2 (en) | 1987-10-05 |
Family
ID=14315343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10199377A Granted JPS5435759A (en) | 1977-08-25 | 1977-08-25 | Measuring method of numerical aperture of optical fibers |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5435759A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58154914A (en) * | 1982-03-10 | 1983-09-14 | Hitachi Ltd | Surface acoustic wave device |
US4565445A (en) * | 1981-10-12 | 1986-01-21 | Alard F | Process and apparatus for measuring the effective diameter of the guided mode in a monomode optical fibre |
US4779978A (en) * | 1986-09-08 | 1988-10-25 | Sumitomo Electric Research Triangle, Inc. | Method of measuring the refractive index profile of optical fibers |
-
1977
- 1977-08-25 JP JP10199377A patent/JPS5435759A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4565445A (en) * | 1981-10-12 | 1986-01-21 | Alard F | Process and apparatus for measuring the effective diameter of the guided mode in a monomode optical fibre |
JPS58154914A (en) * | 1982-03-10 | 1983-09-14 | Hitachi Ltd | Surface acoustic wave device |
US4779978A (en) * | 1986-09-08 | 1988-10-25 | Sumitomo Electric Research Triangle, Inc. | Method of measuring the refractive index profile of optical fibers |
Also Published As
Publication number | Publication date |
---|---|
JPS6246821B2 (en) | 1987-10-05 |
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