DK46779A - Fremgangsmaade og apparat til blandng henholdsvis udredning af lysstraaler - Google Patents

Fremgangsmaade og apparat til blandng henholdsvis udredning af lysstraaler

Info

Publication number
DK46779A
DK46779A DK46779A DK46779A DK46779A DK 46779 A DK46779 A DK 46779A DK 46779 A DK46779 A DK 46779A DK 46779 A DK46779 A DK 46779A DK 46779 A DK46779 A DK 46779A
Authority
DK
Denmark
Prior art keywords
appliance
light rays
mixture according
rays accordingly
accordingly
Prior art date
Application number
DK46779A
Other languages
English (en)
Other versions
DK152156B (da
Inventor
P Vita
Original Assignee
Cselt Centro Studi Lab Telecom
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 IT67254/78A external-priority patent/IT1107075B/it
Priority claimed from IT67781/78A external-priority patent/IT1156947B/it
Application filed by Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Publication of DK46779A publication Critical patent/DK46779A/da
Publication of DK152156B publication Critical patent/DK152156B/da

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical 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
    • G02B6/29371Optical 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 principle based on material dispersion
    • G02B6/29373Optical 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 principle based on material dispersion utilising a bulk dispersive element, e.g. prism
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804Optical 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
    • G02B6/2817Optical 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 using reflective elements to split or combine optical signals
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical 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
    • G02B6/29379Optical 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
    • G02B6/2938Optical 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
    • G02B6/29382Optical 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 including at least adding or dropping a signal, i.e. passing the majority of signals
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4246Bidirectionally operating package structures

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Communication System (AREA)
DK046779AA 1978-02-09 1979-02-05 Fremgangsmaade og apparat til at blande henholdsvis udskille lysstraaler af forskellige boelgelaengder DK152156B (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT6725478 1978-02-09
IT67254/78A IT1107075B (it) 1978-02-09 1978-02-09 Miscelatore demiscelatore ottico per trasmissione su fibre ottiche
IT67781/78A IT1156947B (it) 1978-04-10 1978-04-10 Miscelazione demiscelazione ottica per trasmissione su fibre ottiche
IT6778178 1978-04-10

Publications (2)

Publication Number Publication Date
DK46779A true DK46779A (da) 1979-08-10
DK152156B DK152156B (da) 1988-02-01

Family

ID=26329742

Family Applications (1)

Application Number Title Priority Date Filing Date
DK046779AA DK152156B (da) 1978-02-09 1979-02-05 Fremgangsmaade og apparat til at blande henholdsvis udskille lysstraaler af forskellige boelgelaengder

Country Status (8)

Country Link
US (1) US4252404A (da)
EP (1) EP0003575B1 (da)
JP (2) JPS54119940A (da)
AU (1) AU526675B2 (da)
BR (1) BR7900699A (da)
CA (1) CA1109307A (da)
DE (1) DE2962663D1 (da)
DK (1) DK152156B (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908752A1 (de) * 1979-03-06 1980-09-18 Max Planck Gesellschaft Optisches transmissionsfilter
US4474424A (en) * 1981-03-20 1984-10-02 At&T Bell Laboratories Optical multi/demultiplexer using interference filters
US4549085A (en) * 1983-04-14 1985-10-22 Cooper Industries, Inc. Electro-optical signal processing systems and devices
JPS59223060A (ja) * 1983-06-01 1984-12-14 Canon Inc 原稿読取装置
FR2569015B1 (fr) * 1984-08-08 1988-05-27 Sopelem Duplexeur
US4662715A (en) * 1985-01-25 1987-05-05 Westinghouse Electric Corp. Fiber optic network with reduced coupling losses
CA1250170A (en) * 1985-07-16 1989-02-21 Jerzy A. Dobrowolski Optical mixing/demixing device
EP0216174A1 (de) * 1985-09-25 1987-04-01 Siemens Aktiengesellschaft Lichtweichen-Einheit
US4763317A (en) * 1985-12-13 1988-08-09 American Telephone And Telegraph Company, At&T Bell Laboratories Digital communication network architecture for providing universal information services
US4981335A (en) * 1989-10-17 1991-01-01 At&T Bell Laboratories Optical package arrangement with reduced reflections
CA2037350C (en) * 1990-03-02 1994-11-08 Kenichi Abe Optical coupler
JPH05145496A (ja) * 1991-11-15 1993-06-11 Canon Inc 双方向光伝送装置
US8554028B2 (en) * 2010-10-20 2013-10-08 Telefonaktiebolaget L M Ericsson (Publ) Upstream fiber optic couplers and methods for power splitting passive optical networks

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244075A (en) * 1961-02-09 1966-04-05 American Optical Corp Dispersive type optical filter utilizing light-transmitting fiber elements
US3870396A (en) * 1973-07-05 1975-03-11 Corning Glass Works Optical coupler
US3874779A (en) * 1973-07-05 1975-04-01 Corning Glass Works Variable ratio light coupler
US3870398A (en) * 1973-07-05 1975-03-11 Corning Glass Works Passive coupler for optical communication system
FR2284892A1 (fr) * 1974-09-13 1976-04-09 Thomson Csf Coupleur variable pour fibres optiques
US3923377A (en) * 1974-11-29 1975-12-02 Us Navy High angle optical ray separator
JPS5193241A (da) * 1975-02-14 1976-08-16
JPS6014325B2 (ja) * 1975-04-09 1985-04-12 工業技術院長 伝送路型光分波器
JPS5290957A (en) * 1976-01-26 1977-07-30 Nippon Telegr & Teleph Corp <Ntt> Branching filter for optical fibers

Also Published As

Publication number Publication date
CA1109307A (en) 1981-09-22
BR7900699A (pt) 1979-09-04
EP0003575A2 (en) 1979-08-22
AU526675B2 (en) 1983-01-27
EP0003575B1 (en) 1982-05-05
JPS54119940A (en) 1979-09-18
US4252404A (en) 1981-02-24
JPS5859013U (ja) 1983-04-21
DK152156B (da) 1988-02-01
DE2962663D1 (en) 1982-06-24
EP0003575A3 (en) 1979-09-05

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Legal Events

Date Code Title Description
PHB Application deemed withdrawn due to non-payment or other reasons