JPS5290957A - Branching filter for optical fibers - Google Patents

Branching filter for optical fibers

Info

Publication number
JPS5290957A
JPS5290957A JP667476A JP667476A JPS5290957A JP S5290957 A JPS5290957 A JP S5290957A JP 667476 A JP667476 A JP 667476A JP 667476 A JP667476 A JP 667476A JP S5290957 A JPS5290957 A JP S5290957A
Authority
JP
Japan
Prior art keywords
optical fibers
branching filter
branching
readily accomplished
interference filters
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
JP667476A
Other languages
Japanese (ja)
Inventor
Haruhiko Tsuchiya
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP667476A priority Critical patent/JPS5290957A/en
Publication of JPS5290957A publication Critical patent/JPS5290957A/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
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Filters (AREA)

Abstract

PURPOSE:Branching of plural optical waves of varying central wavelengths is readily accomplished by providing interference filters to optical waveguides.
JP667476A 1976-01-26 1976-01-26 Branching filter for optical fibers Pending JPS5290957A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP667476A JPS5290957A (en) 1976-01-26 1976-01-26 Branching filter for optical fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP667476A JPS5290957A (en) 1976-01-26 1976-01-26 Branching filter for optical fibers

Publications (1)

Publication Number Publication Date
JPS5290957A true JPS5290957A (en) 1977-07-30

Family

ID=11644904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP667476A Pending JPS5290957A (en) 1976-01-26 1976-01-26 Branching filter for optical fibers

Country Status (1)

Country Link
JP (1) JPS5290957A (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5412447U (en) * 1977-06-28 1979-01-26
JPS54119940A (en) * 1978-02-09 1979-09-18 Cselt Centro Studi Lab Telecom Method and device for mixing and separating light beam
JPS54158247A (en) * 1978-06-02 1979-12-13 Nippon Telegr & Teleph Corp <Ntt> Optical wave divider
JPS5532865U (en) * 1978-08-25 1980-03-03
JPS5562411A (en) * 1978-11-06 1980-05-10 Canon Inc Optical system
JPS5611412A (en) * 1979-07-11 1981-02-04 Fujitsu Ltd Optical branching circuit
JPS56150721A (en) * 1980-03-28 1981-11-21 Siemens Ag Light waveguide branch
JPS59109022A (en) * 1982-12-14 1984-06-23 Nippon Sheet Glass Co Ltd Optical wave guide circuit
JPS59131903A (en) * 1983-01-19 1984-07-28 Nippon Sheet Glass Co Ltd Light guide type access coupler
JPS59178422A (en) * 1983-03-30 1984-10-09 Hitachi Ltd Optical demultiplexer
JPS59210412A (en) * 1983-05-13 1984-11-29 Hitachi Ltd Optical circuit
JPS6060604A (en) * 1983-09-14 1985-04-08 Toyo Denso Co Ltd Optical signal multiplexer and demultiplexer
EP0158967A2 (en) * 1984-04-12 1985-10-23 Alcatel SEL Aktiengesellschaft Optical multiplexer/demultiplexer
JPS619041A (en) * 1984-06-25 1986-01-16 Toyo Commun Equip Co Ltd Photodetecting or light emitting device for optical communication
JP2018200257A (en) * 2017-05-29 2018-12-20 国立大学法人東北大学 Time-division spectroscopic imaging analysis system and time-division spectroscopic imaging analysis method

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5815926Y2 (en) * 1977-06-28 1983-03-31 日本電気株式会社 Composite optical wavelength demultiplexing circuit
JPS5412447U (en) * 1977-06-28 1979-01-26
JPS54119940A (en) * 1978-02-09 1979-09-18 Cselt Centro Studi Lab Telecom Method and device for mixing and separating light beam
JPS54158247A (en) * 1978-06-02 1979-12-13 Nippon Telegr & Teleph Corp <Ntt> Optical wave divider
JPS5532865U (en) * 1978-08-25 1980-03-03
JPS5562411A (en) * 1978-11-06 1980-05-10 Canon Inc Optical system
JPS5611412A (en) * 1979-07-11 1981-02-04 Fujitsu Ltd Optical branching circuit
JPS56150721A (en) * 1980-03-28 1981-11-21 Siemens Ag Light waveguide branch
JPS59109022A (en) * 1982-12-14 1984-06-23 Nippon Sheet Glass Co Ltd Optical wave guide circuit
JPH0450561B2 (en) * 1982-12-14 1992-08-14 Nippon Sheet Glass Co Ltd
JPH0314322B2 (en) * 1983-01-19 1991-02-26 Nippon Sheet Glass Co Ltd
JPS59131903A (en) * 1983-01-19 1984-07-28 Nippon Sheet Glass Co Ltd Light guide type access coupler
JPS59178422A (en) * 1983-03-30 1984-10-09 Hitachi Ltd Optical demultiplexer
JPS59210412A (en) * 1983-05-13 1984-11-29 Hitachi Ltd Optical circuit
JPH0557563B2 (en) * 1983-05-13 1993-08-24 Hitachi Ltd
JPS6060604A (en) * 1983-09-14 1985-04-08 Toyo Denso Co Ltd Optical signal multiplexer and demultiplexer
EP0158967A2 (en) * 1984-04-12 1985-10-23 Alcatel SEL Aktiengesellschaft Optical multiplexer/demultiplexer
EP0158967A3 (en) * 1984-04-12 1989-01-18 Alcatel SEL Aktiengesellschaft Optical multiplexer/demultiplexer
JPS619041A (en) * 1984-06-25 1986-01-16 Toyo Commun Equip Co Ltd Photodetecting or light emitting device for optical communication
JP2018200257A (en) * 2017-05-29 2018-12-20 国立大学法人東北大学 Time-division spectroscopic imaging analysis system and time-division spectroscopic imaging analysis method

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