NL177875C - OPTICAL MULTIPLEXER AND DEMULTIPLEXER. - Google Patents

OPTICAL MULTIPLEXER AND DEMULTIPLEXER.

Info

Publication number
NL177875C
NL177875C NLAANVRAGE7900670,A NL7900670A NL177875C NL 177875 C NL177875 C NL 177875C NL 7900670 A NL7900670 A NL 7900670A NL 177875 C NL177875 C NL 177875C
Authority
NL
Netherlands
Prior art keywords
demultiplexer
optical multiplexer
multiplexer
optical
Prior art date
Application number
NLAANVRAGE7900670,A
Other languages
Dutch (nl)
Other versions
NL7900670A (en
NL177875B (en
Inventor
Kiyoshi Nosu
Hideki Ishio
Tetsuya Miki
Kunio Hashimoto
Original Assignee
Nippon Telegraph & Telephone
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
Priority claimed from JP887378A external-priority patent/JPS54103055A/en
Priority claimed from JP8455178A external-priority patent/JPS5512905A/en
Application filed by Nippon Telegraph & Telephone filed Critical Nippon Telegraph & Telephone
Publication of NL7900670A publication Critical patent/NL7900670A/en
Publication of NL177875B publication Critical patent/NL177875B/en
Application granted granted Critical
Publication of NL177875C publication Critical patent/NL177875C/en

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
    • G02B6/29362—Serial cascade of filters or filtering operations, e.g. for a large number of channels
    • G02B6/29365—Serial cascade of filters or filtering operations, e.g. for a large number of channels in a multireflection configuration, i.e. beam following a zigzag path between filters or filtering operations
    • G02B6/29367—Zigzag path within a transparent optical block, e.g. filter deposited on an etalon, glass plate, wedge acting as a stable spacer
    • 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
    • G02B6/29379—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 characterised by the function or use of the complete device
    • G02B6/2938—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 characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Communication System (AREA)
  • Optical Filters (AREA)
NLAANVRAGE7900670,A 1978-01-31 1979-01-29 OPTICAL MULTIPLEXER AND DEMULTIPLEXER. NL177875C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP887378A JPS54103055A (en) 1978-01-31 1978-01-31 Spectrometer
JP8455178A JPS5512905A (en) 1978-07-13 1978-07-13 Multichannel low-loss light-wave divider

Publications (3)

Publication Number Publication Date
NL7900670A NL7900670A (en) 1979-08-02
NL177875B NL177875B (en) 1985-07-01
NL177875C true NL177875C (en) 1985-12-02

Family

ID=26343481

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7900670,A NL177875C (en) 1978-01-31 1979-01-29 OPTICAL MULTIPLEXER AND DEMULTIPLEXER.

Country Status (5)

Country Link
DE (1) DE2903288C2 (en)
FR (1) FR2416595B1 (en)
GB (1) GB2014752B (en)
IT (1) IT1109751B (en)
NL (1) NL177875C (en)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2840493A1 (en) * 1978-09-18 1980-03-27 Siemens Ag FREQUENCY SELECTIVE OPTICAL LIGHT DISTRIBUTION ELEMENT AND METHOD FOR THE PRODUCTION THEREOF
DE3006830A1 (en) * 1980-02-23 1981-09-10 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Optical conductor branch connection for data transmission system - uses cylindrical rod lens with angled semi-reflective face
US4358851A (en) * 1980-02-28 1982-11-09 Xerox Corporation Fiber optic laser device and light emitter utilizing the device
DE3012184A1 (en) * 1980-03-28 1981-10-08 Siemens AG, 1000 Berlin und 8000 München LIGHTWAVE LEAD BRANCHING
FR2496260A2 (en) * 1980-12-12 1982-06-18 Instruments Sa Inclined plane diffraction grating monochromator - has concave mirror and paraxial entry and wavelength-selective exit optical fibres
DK156381A (en) * 1980-04-08 1981-10-09 Instruments Sa monochromator
DE3218739A1 (en) * 1981-05-19 1982-12-09 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Optical waveguide device
DE3149615A1 (en) * 1981-12-15 1983-07-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Optical signal transmission method and arrangement for carrying out the method
FR2530347B2 (en) * 1982-07-16 1986-07-04 Instruments Sa DEVICE FOR SEPARATING OR COMBINING LIGHTS OF DIFFERENT WAVELENGTHS
DE3229570A1 (en) * 1982-08-07 1984-02-09 Philips Kommunikations Industrie AG, 8500 Nürnberg Optical demultiplexer
FR2532766B1 (en) * 1982-09-03 1985-08-02 Western Electric Co OPTICAL COUPLING DEVICE
JPS5985657A (en) * 1982-11-06 1984-05-17 日本赤外線工業株式会社 Laser radiation apparatus
US4693544A (en) * 1982-12-14 1987-09-15 Nippon Sheet Glass Co., Ltd. Optical branching device with internal waveguide
FR2539518A1 (en) * 1983-01-18 1984-07-20 Comp Generale Electricite Optical wavelength splitter, especially for a fibre-optic multiplex transmission system
FR2549243B1 (en) * 1983-06-24 1986-01-10 Lyonnaise Transmiss Optiques DIRECT COUPLER WITH ASSOCIATED COMPONENTS FOR LIGHT WAVE
GB2143340A (en) * 1983-07-08 1985-02-06 Raytheon Co Beamsplitter
US4772095A (en) * 1983-07-15 1988-09-20 Switchcraft, Inc. Symmetrical beamsplitter
US4671603A (en) * 1983-11-17 1987-06-09 Pilkington P.E. Limited Optical filters and multiplexing-demultiplexing devices using the same
US4669811A (en) * 1983-11-17 1987-06-02 Pilkington P.E. Limited Optical filtering apparatus
US4709261A (en) * 1983-12-05 1987-11-24 Raytheon Company Color image display system for producing and combining two similarly-oriented color component images and an inverted color component image
DE3346365A1 (en) * 1983-12-22 1985-08-29 Standard Elektrik Lorenz Ag, 7000 Stuttgart OPTICAL MULTIPLEXER / DEMULTIPLEXER
GB2153546A (en) * 1984-02-02 1985-08-21 Pilkington Perkin Elmer Ltd Optical filtering devices
JPS60184216A (en) * 1984-03-02 1985-09-19 Oki Electric Ind Co Ltd Hybrid optical multiplexer/demultiplexer
US4737843A (en) * 1984-04-09 1988-04-12 Raytheon Company Color image display system for producing and combining four color component images each inverted in at least one aspect relative to the other images
IT1178484B (en) * 1984-06-07 1987-09-09 Italtel Spa DEMULTIPLATOR (MULTIPLATOR) FOR OPTICAL FIBER TRANSMISSION SYSTEMS
SE458160B (en) * 1984-08-09 1989-02-27 Daimler Benz Ag PROCEDURES FOR FIBEROPTIC SPECTRALLY CODED TRANSFER OF THE METHODS AND DEVICES FOR EXERCISE OF THE PROCEDURE
GB8431087D0 (en) * 1984-12-10 1985-01-16 Secr Defence Multiplexing & demultiplexing systems
DE3505636A1 (en) * 1985-02-19 1986-08-21 Standard Elektrik Lorenz Ag, 7000 Stuttgart OPTICAL COMPONENT
GB2216678B (en) * 1985-05-16 1990-02-21 Pilkington Perkin Elmer Ltd Improvements in or relating to optical apparatus with tuneable filter.
CA1250170A (en) * 1985-07-16 1989-02-21 Jerzy A. Dobrowolski Optical mixing/demixing device
EP0234280A1 (en) * 1986-01-31 1987-09-02 Siemens Aktiengesellschaft Communication system light switch having three light connections
GB2191645B (en) * 1986-06-13 1990-09-05 Stc Plc Optical telecommunication systems
US5583683A (en) * 1995-06-15 1996-12-10 Optical Corporation Of America Optical multiplexing device
US5995235A (en) * 1997-02-13 1999-11-30 Applied Materials, Inc. Bandpass photon detector
US5859717A (en) * 1997-02-14 1999-01-12 Corning Oca Corporation Multiplexing device with precision optical block
CA2238606A1 (en) * 1997-06-26 1998-12-26 Michael Anthony Scobey Cascaded optical multiplexing devices
DE19745324C2 (en) 1997-10-14 1999-09-16 Deutsche Telekom Ag Method and device for wavelength-selective mixing and / or distribution of polychromatic light
US5850292A (en) * 1997-11-13 1998-12-15 Hewlett-Packard Company Wavelength monitor for optical signals
US6075632A (en) * 1997-11-26 2000-06-13 Hewlett-Packard Company Optical noise monitor
GB2348557B (en) 1999-04-01 2002-03-13 Marconi Comm Ltd Communications system
US6684010B1 (en) 2000-03-03 2004-01-27 Digital Optics Corp. Wavelength compensated optical wavelength division coupler and associated methods
GB2382244A (en) * 2001-11-15 2003-05-21 Marconi Optical Components Ltd Add-drop multiplexer with MEMs (Micro-Electro-Mechanical) tunable filters
GB0201969D0 (en) 2002-01-29 2002-03-13 Qinetiq Ltd Integrated optics devices
GB0306008D0 (en) 2003-03-15 2003-04-23 Qinetiq Ltd Optical device
GB0306634D0 (en) 2003-03-22 2003-04-30 Qinetiq Ltd Optical wavelength division multiplexer/demultiplexer device
US20060215954A1 (en) 2004-03-22 2006-09-28 Jenkins Richard M Optical routing device comprising hollow waveguides and mems reflective elements
US7466502B2 (en) 2005-12-07 2008-12-16 Tessera North America, Inc. Optical wavelength division coupler and associated methods
JP5568236B2 (en) 2005-07-22 2014-08-06 デジタルオプティクス・コーポレイション・イースト Optical wavelength division coupler and related method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2258751B1 (en) * 1974-01-18 1978-12-08 Thomson Csf

Also Published As

Publication number Publication date
FR2416595A1 (en) 1979-08-31
IT1109751B (en) 1985-12-23
FR2416595B1 (en) 1987-03-20
IT7919524A0 (en) 1979-01-23
NL7900670A (en) 1979-08-02
DE2903288C2 (en) 1982-12-02
DE2903288A1 (en) 1979-08-02
GB2014752B (en) 1982-03-31
GB2014752A (en) 1979-08-30
NL177875B (en) 1985-07-01

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
SNR Assignments of patents or rights arising from examined patent applications

Owner name: NIPPON TELEGRAPH AND TELEPHONE CORPORATION

V4 Discontinued because of reaching the maximum lifetime of a patent

Free format text: 990129