IT7919524A0 - Moltiplatore e demultiplatore ottico. - Google Patents

Moltiplatore e demultiplatore ottico.

Info

Publication number
IT7919524A0
IT7919524A0 IT7919524A IT1952479A IT7919524A0 IT 7919524 A0 IT7919524 A0 IT 7919524A0 IT 7919524 A IT7919524 A IT 7919524A IT 1952479 A IT1952479 A IT 1952479A IT 7919524 A0 IT7919524 A0 IT 7919524A0
Authority
IT
Italy
Prior art keywords
multiplator
demultiplator
optical
optical multiplator
Prior art date
Application number
IT7919524A
Other languages
English (en)
Other versions
IT1109751B (it
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/ja
Priority claimed from JP8455178A external-priority patent/JPS5512905A/ja
Application filed by Nippon Telegraph & Telephone filed Critical Nippon Telegraph & Telephone
Publication of IT7919524A0 publication Critical patent/IT7919524A0/it
Application granted granted Critical
Publication of IT1109751B publication Critical patent/IT1109751B/it

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
IT19524/79A 1978-01-31 1979-01-23 Moltiplatore e demultiplatore ottico IT1109751B (it)

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 (2)

Publication Number Publication Date
IT7919524A0 true IT7919524A0 (it) 1979-01-23
IT1109751B IT1109751B (it) 1985-12-23

Family

ID=26343481

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19524/79A IT1109751B (it) 1978-01-31 1979-01-23 Moltiplatore e demultiplatore ottico

Country Status (5)

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

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2840493A1 (de) * 1978-09-18 1980-03-27 Siemens Ag Frequenzselektives optisches lichtverteilerelement und verfahren zu seiner herstellung
DE3006830A1 (de) * 1980-02-23 1981-09-10 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Strahlenverzweigung fuer lichtleiter
US4358851A (en) * 1980-02-28 1982-11-09 Xerox Corporation Fiber optic laser device and light emitter utilizing the device
DE3012184A1 (de) * 1980-03-28 1981-10-08 Siemens AG, 1000 Berlin und 8000 München Lichtwellenleiterverzweigung
FR2496260A2 (fr) * 1980-12-12 1982-06-18 Instruments Sa Monochromateur
DK156381A (da) * 1980-04-08 1981-10-09 Instruments Sa Monokromator
DE3218739A1 (de) * 1981-05-19 1982-12-09 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Optische wellenleitervorrichtung
DE3149615A1 (de) * 1981-12-15 1983-07-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Optisches signaluebertragungsverfahren und anordnung zur durchfuehrung des verfahrens
FR2530347B2 (fr) * 1982-07-16 1986-07-04 Instruments Sa Dispositif de separation ou de combinaison de lumieres de longueurs d'onde differentes
DE3229570A1 (de) * 1982-08-07 1984-02-09 Philips Kommunikations Industrie AG, 8500 Nürnberg Optischer demultiplexer
FR2532766B1 (fr) * 1982-09-03 1985-08-02 Western Electric Co Dispositif de couplage optique
JPS5985657A (ja) * 1982-11-06 1984-05-17 日本赤外線工業株式会社 レ−ザ照射装置
US4693544A (en) * 1982-12-14 1987-09-15 Nippon Sheet Glass Co., Ltd. Optical branching device with internal waveguide
FR2539518A1 (fr) * 1983-01-18 1984-07-20 Comp Generale Electricite Separateur optique en longueurs d'ondes, notamment pour systeme de transmission multiplex a fibres optiques
FR2549243B1 (fr) * 1983-06-24 1986-01-10 Lyonnaise Transmiss Optiques Coupleur directif a composants associes pour ondes lumineuses
GB2143340A (en) * 1983-07-08 1985-02-06 Raytheon Co Beamsplitter
US4772095A (en) * 1983-07-15 1988-09-20 Switchcraft, Inc. Symmetrical beamsplitter
US4669811A (en) * 1983-11-17 1987-06-02 Pilkington P.E. Limited Optical filtering apparatus
US4671603A (en) * 1983-11-17 1987-06-09 Pilkington P.E. Limited Optical filters and multiplexing-demultiplexing devices using the same
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 (de) * 1983-12-22 1985-08-29 Standard Elektrik Lorenz Ag, 7000 Stuttgart Optischer multiplexer/demultiplexer
GB2153546A (en) * 1984-02-02 1985-08-21 Pilkington Perkin Elmer Ltd Optical filtering devices
JPS60184216A (ja) * 1984-03-02 1985-09-19 Oki Electric Ind Co Ltd 混成型光合分波器
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 (it) * 1984-06-07 1987-09-09 Italtel Spa Demultiplatore (multiplatore) per sistemi trasmissivi in fibra ottica
SE458160B (sv) * 1984-08-09 1989-02-27 Daimler Benz Ag Foerfarande foer fiberoptisk spektralkodad oeverfoeri ng av maetvaerden och anordningar foer utoevande av foerfarandet
GB8431087D0 (en) * 1984-12-10 1985-01-16 Secr Defence Multiplexing & demultiplexing systems
DE3505636A1 (de) * 1985-02-19 1986-08-21 Standard Elektrik Lorenz Ag, 7000 Stuttgart Optisches bauelement
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 (de) * 1986-01-31 1987-09-02 Siemens Aktiengesellschaft Lichtweiche eines Kommunikationssystemes, mit drei Lichtanschlüssen
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 (de) * 1997-10-14 1999-09-16 Deutsche Telekom Ag Verfahren und Vorrichtung zur wellenlängenselektiven Mischung und/oder Verteilung von polychromatischem Licht
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
US20060215954A1 (en) 2004-03-22 2006-09-28 Jenkins Richard M Optical routing device comprising hollow waveguides and mems reflective elements
GB0306634D0 (en) 2003-03-22 2003-04-30 Qinetiq Ltd Optical wavelength division multiplexer/demultiplexer device
US7466502B2 (en) 2005-12-07 2008-12-16 Tessera North America, Inc. Optical wavelength division coupler and associated methods
CA2616311C (en) 2005-07-22 2014-09-30 Tessera North America, Inc. Optical wavelength division coupler and associated methods

Family Cites Families (1)

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

Also Published As

Publication number Publication date
NL7900670A (nl) 1979-08-02
FR2416595B1 (fr) 1987-03-20
GB2014752A (en) 1979-08-30
NL177875C (nl) 1985-12-02
DE2903288A1 (de) 1979-08-02
NL177875B (nl) 1985-07-01
GB2014752B (en) 1982-03-31
IT1109751B (it) 1985-12-23
FR2416595A1 (fr) 1979-08-31
DE2903288C2 (de) 1982-12-02

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970131