JPS5435759A - Measuring method of numerical aperture of optical fibers - Google Patents

Measuring method of numerical aperture of optical fibers

Info

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
Application number
JP10199377A
Other languages
Japanese (ja)
Other versions
JPS6246821B2 (en
Inventor
Eizo Miyauchi
Seiji Miyazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP10199377A priority Critical patent/JPS5435759A/en
Publication of JPS5435759A publication Critical patent/JPS5435759A/en
Publication of JPS6246821B2 publication Critical patent/JPS6246821B2/ja
Granted legal-status Critical Current

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
JP10199377A 1977-08-25 1977-08-25 Measuring method of numerical aperture of optical fibers Granted JPS5435759A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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