AU4432179A - Mixing-demixing optical beams for transmission on optical fibres - Google Patents

Mixing-demixing optical beams for transmission on optical fibres

Info

Publication number
AU4432179A
AU4432179A AU44321/79A AU4432179A AU4432179A AU 4432179 A AU4432179 A AU 4432179A AU 44321/79 A AU44321/79 A AU 44321/79A AU 4432179 A AU4432179 A AU 4432179A AU 4432179 A AU4432179 A AU 4432179A
Authority
AU
Australia
Prior art keywords
optical
demixing
mixing
transmission
beams
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.)
Granted
Application number
AU44321/79A
Other versions
AU526675B2 (en
Inventor
Pietro Di Vita
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.)
Telecom Italia SpA
Original Assignee
CSELT Centro Studi e Laboratori Telecomunicazioni SpA
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/en
Priority claimed from IT67781/78A external-priority patent/IT1156947B/en
Application filed by CSELT Centro Studi e Laboratori Telecomunicazioni SpA filed Critical CSELT Centro Studi e Laboratori Telecomunicazioni SpA
Publication of AU4432179A publication Critical patent/AU4432179A/en
Application granted granted Critical
Publication of AU526675B2 publication Critical patent/AU526675B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU44321/79A 1978-02-06 1979-02-16 Mixing-demixing optical beams for transmission on optical fibres Ceased AU526675B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT6725478 1978-02-06
IT67254/78A IT1107075B (en) 1978-02-09 1978-02-09 OPTICAL DEMISCAL MIXER FOR TRANSMISSION ON OPTICAL FIBERS
IT6778178 1978-04-10
IT67781/78A IT1156947B (en) 1978-04-10 1978-04-10 OPTICAL MIXING FOR OPTICAL FIBER TRANSMISSION

Publications (2)

Publication Number Publication Date
AU4432179A true AU4432179A (en) 1979-08-23
AU526675B2 AU526675B2 (en) 1983-01-27

Family

ID=26329742

Family Applications (1)

Application Number Title Priority Date Filing Date
AU44321/79A Ceased AU526675B2 (en) 1978-02-06 1979-02-16 Mixing-demixing optical beams for transmission on optical fibres

Country Status (8)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908752A1 (en) * 1979-03-06 1980-09-18 Max Planck Gesellschaft OPTICAL TRANSMISSION FILTER
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 (en) * 1983-06-01 1984-12-14 Canon Inc Original reader
FR2569015B1 (en) * 1984-08-08 1988-05-27 Sopelem DUPLEXER
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 (en) * 1985-09-25 1987-04-01 Siemens Aktiengesellschaft Light-directive coupling unit
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 (en) * 1991-11-15 1993-06-11 Canon Inc Two-way optical transmitter
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 (en) * 1974-09-13 1976-04-09 Thomson Csf VARIABLE COUPLER FOR OPTICAL FIBERS
US3923377A (en) * 1974-11-29 1975-12-02 Us Navy High angle optical ray separator
JPS5193241A (en) * 1975-02-14 1976-08-16
JPS6014325B2 (en) * 1975-04-09 1985-04-12 工業技術院長 Transmission line type optical demultiplexer
JPS5290957A (en) * 1976-01-26 1977-07-30 Nippon Telegr & Teleph Corp <Ntt> Branching filter for optical fibers

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