JPS52120842A - Optical transmission fiber - Google Patents

Optical transmission fiber

Info

Publication number
JPS52120842A
JPS52120842A JP3716676A JP3716676A JPS52120842A JP S52120842 A JPS52120842 A JP S52120842A JP 3716676 A JP3716676 A JP 3716676A JP 3716676 A JP3716676 A JP 3716676A JP S52120842 A JPS52120842 A JP S52120842A
Authority
JP
Japan
Prior art keywords
optical transmission
transmission fiber
fiber
core
support layer
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
Application number
JP3716676A
Other languages
Japanese (ja)
Inventor
Seiichi Onoda
Yasuo Suganuma
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3716676A priority Critical patent/JPS52120842A/en
Publication of JPS52120842A publication Critical patent/JPS52120842A/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

Abstract

PURPOSE: To provide an optical transmission fiber, in which there are provided, between the outermost support layer and the core, two intermediate layers having refractive indices within certain ranges, respectively, to form easily W-type fiber with a single additive.
COPYRIGHT: (C)1977,JPO&Japio
JP3716676A 1976-04-05 1976-04-05 Optical transmission fiber Pending JPS52120842A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3716676A JPS52120842A (en) 1976-04-05 1976-04-05 Optical transmission fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3716676A JPS52120842A (en) 1976-04-05 1976-04-05 Optical transmission fiber

Publications (1)

Publication Number Publication Date
JPS52120842A true JPS52120842A (en) 1977-10-11

Family

ID=12490003

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3716676A Pending JPS52120842A (en) 1976-04-05 1976-04-05 Optical transmission fiber

Country Status (1)

Country Link
JP (1) JPS52120842A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5727203A (en) * 1980-06-09 1982-02-13 Corning Glass Works Optical fiber waveguide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5727203A (en) * 1980-06-09 1982-02-13 Corning Glass Works Optical fiber waveguide

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