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JPS542144A - Branching filter for optical transmission - Google Patents

Branching filter for optical transmission

Info

Publication number
JPS542144A
JPS542144A JP6767677A JP6767677A JPS542144A JP S542144 A JPS542144 A JP S542144A JP 6767677 A JP6767677 A JP 6767677A JP 6767677 A JP6767677 A JP 6767677A JP S542144 A JPS542144 A JP S542144A
Authority
JP
Japan
Prior art keywords
optical transmission
branching filter
wavelength
lossby
mirror
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
JP6767677A
Other languages
Japanese (ja)
Inventor
Noboru Kurata
Takashi Tsutsuizumi
Takeshige Ichida
Toshihiro Koda
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP6767677A priority Critical patent/JPS542144A/en
Publication of JPS542144A publication Critical patent/JPS542144A/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
    • G02B6/2937—In line lens-filtering-lens devices, i.e. elements arranged along a line and mountable in a cylindrical package for compactness, e.g. 3- port device with GRIN lenses sandwiching a single filter operating at normal incidence in a tubular package
    • 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
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:To readily branch mixed light at low lossby using a mirror which transmits the wavelength region including other center wavelength and filters transmitting respective center wavelengths.
JP6767677A 1977-06-07 1977-06-07 Branching filter for optical transmission Pending JPS542144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6767677A JPS542144A (en) 1977-06-07 1977-06-07 Branching filter for optical transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6767677A JPS542144A (en) 1977-06-07 1977-06-07 Branching filter for optical transmission

Publications (1)

Publication Number Publication Date
JPS542144A true JPS542144A (en) 1979-01-09

Family

ID=13351828

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6767677A Pending JPS542144A (en) 1977-06-07 1977-06-07 Branching filter for optical transmission

Country Status (1)

Country Link
JP (1) JPS542144A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55130504A (en) * 1979-03-30 1980-10-09 Fujitsu Ltd Optical branching circuit
JPS5611412A (en) * 1979-07-11 1981-02-04 Fujitsu Ltd Optical branching circuit
JPS5611409A (en) * 1979-07-11 1981-02-04 Fujitsu Ltd Optical branching circuit
US4339170A (en) * 1978-09-18 1982-07-13 Siemens Aktiengesellschaft Optical device for frequency-selective distributing light and the process of producing the device
JPS5859011U (en) * 1982-07-08 1983-04-21 富士通株式会社 fiber optic demultiplexer
JPS6026907A (en) * 1983-07-26 1985-02-09 Fujitsu Ltd Optical demultiplexer and multiplexer
JPS6042714A (en) * 1983-08-18 1985-03-07 Fujitsu Ltd Optical multiplexer and demultiplexer
JPS60107006A (en) * 1983-11-14 1985-06-12 Fujitsu Ltd Optical filter device
JPS60159406U (en) * 1984-03-30 1985-10-23 古河電気工業株式会社 optical demultiplexer
JPS622007U (en) * 1986-06-12 1987-01-08
JPS6275606A (en) * 1985-09-30 1987-04-07 Shimadzu Corp Optical multiplexer/demultiplexer
US4732717A (en) * 1985-10-11 1988-03-22 Sumitomo Bakelite Company Limited Process for producing piezo-electric or pyro-electric composite sheet
JP2011257476A (en) * 2010-06-07 2011-12-22 Nippon Telegr & Teleph Corp <Ntt> Optical receiver

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339170A (en) * 1978-09-18 1982-07-13 Siemens Aktiengesellschaft Optical device for frequency-selective distributing light and the process of producing the device
JPS55130504A (en) * 1979-03-30 1980-10-09 Fujitsu Ltd Optical branching circuit
JPS5611412A (en) * 1979-07-11 1981-02-04 Fujitsu Ltd Optical branching circuit
JPS5611409A (en) * 1979-07-11 1981-02-04 Fujitsu Ltd Optical branching circuit
JPS5859011U (en) * 1982-07-08 1983-04-21 富士通株式会社 fiber optic demultiplexer
JPS6026907A (en) * 1983-07-26 1985-02-09 Fujitsu Ltd Optical demultiplexer and multiplexer
JPS6042714A (en) * 1983-08-18 1985-03-07 Fujitsu Ltd Optical multiplexer and demultiplexer
JPS60107006A (en) * 1983-11-14 1985-06-12 Fujitsu Ltd Optical filter device
JPS60159406U (en) * 1984-03-30 1985-10-23 古河電気工業株式会社 optical demultiplexer
JPS6275606A (en) * 1985-09-30 1987-04-07 Shimadzu Corp Optical multiplexer/demultiplexer
US4732717A (en) * 1985-10-11 1988-03-22 Sumitomo Bakelite Company Limited Process for producing piezo-electric or pyro-electric composite sheet
JPS622007U (en) * 1986-06-12 1987-01-08
JP2011257476A (en) * 2010-06-07 2011-12-22 Nippon Telegr & Teleph Corp <Ntt> Optical receiver

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