JPS5228330A - Photo-branch unit and its manufacturing method - Google Patents

Photo-branch unit and its manufacturing method

Info

Publication number
JPS5228330A
JPS5228330A JP10406975A JP10406975A JPS5228330A JP S5228330 A JPS5228330 A JP S5228330A JP 10406975 A JP10406975 A JP 10406975A JP 10406975 A JP10406975 A JP 10406975A JP S5228330 A JPS5228330 A JP S5228330A
Authority
JP
Japan
Prior art keywords
photo
manufacturing
branch unit
fibers
irradiation
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
JP10406975A
Other languages
Japanese (ja)
Inventor
Hiroyuki Fujita
Yasuji Suzaki
Atsushi Tachibana
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 JP10406975A priority Critical patent/JPS5228330A/en
Publication of JPS5228330A publication Critical patent/JPS5228330A/en
Pending legal-status Critical Current

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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2856—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers formed or shaped by thermal heating means, e.g. splitting, branching and/or combining elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

PURPOSE:Supply of high practicability and strong coupling by welding the two groups of photo-fibers set opposite to each other by irradiation CO laser on the edges of the photo-fibers.
JP10406975A 1975-08-29 1975-08-29 Photo-branch unit and its manufacturing method Pending JPS5228330A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10406975A JPS5228330A (en) 1975-08-29 1975-08-29 Photo-branch unit and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10406975A JPS5228330A (en) 1975-08-29 1975-08-29 Photo-branch unit and its manufacturing method

Publications (1)

Publication Number Publication Date
JPS5228330A true JPS5228330A (en) 1977-03-03

Family

ID=14370861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10406975A Pending JPS5228330A (en) 1975-08-29 1975-08-29 Photo-branch unit and its manufacturing method

Country Status (1)

Country Link
JP (1) JPS5228330A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53136849U (en) * 1977-04-05 1978-10-28
JPS5436739A (en) * 1977-08-26 1979-03-17 Hitachi Ltd Production of optically bypassing device
JPS5577204U (en) * 1978-11-20 1980-05-28
JPS5888215U (en) * 1982-07-08 1983-06-15 株式会社日立製作所 Optical branching device
JPS60159406U (en) * 1984-03-30 1985-10-23 古河電気工業株式会社 optical demultiplexer

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53136849U (en) * 1977-04-05 1978-10-28
JPS5436739A (en) * 1977-08-26 1979-03-17 Hitachi Ltd Production of optically bypassing device
JPS5577204U (en) * 1978-11-20 1980-05-28
JPS5888215U (en) * 1982-07-08 1983-06-15 株式会社日立製作所 Optical branching device
JPS60159406U (en) * 1984-03-30 1985-10-23 古河電気工業株式会社 optical demultiplexer

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