DK46779A - Fremgangsmaade og apparat til blandng henholdsvis udredning af lysstraaler - Google Patents
Fremgangsmaade og apparat til blandng henholdsvis udredning af lysstraalerInfo
- 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
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
- G02B6/29371—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 principle based on material dispersion
- G02B6/29373—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 principle based on material dispersion utilising a bulk dispersive element, e.g. prism
-
- 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
- G02B6/2804—Optical 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
- G02B6/2817—Optical 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
-
- 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
- G02B6/29382—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 including at least adding or dropping a signal, i.e. passing the majority of signals
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4246—Bidirectionally 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)
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)
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)
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 |
-
1979
- 1979-01-31 US US06/008,092 patent/US4252404A/en not_active Expired - Lifetime
- 1979-02-02 EP EP79100314A patent/EP0003575B1/en not_active Expired
- 1979-02-02 DE DE7979100314T patent/DE2962663D1/de not_active Expired
- 1979-02-02 JP JP1053079A patent/JPS54119940A/ja active Pending
- 1979-02-05 BR BR7900699A patent/BR7900699A/pt unknown
- 1979-02-05 DK DK046779AA patent/DK152156B/da not_active Application Discontinuation
- 1979-02-08 CA CA321,113A patent/CA1109307A/en not_active Expired
- 1979-02-16 AU AU44321/79A patent/AU526675B2/en not_active Ceased
-
1982
- 1982-08-13 JP JP1982122318U patent/JPS5859013U/ja active Pending
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 |