NO981153D0 - Filtervelger i optisk telekommunikasjonsnett - Google Patents
Filtervelger i optisk telekommunikasjonsnettInfo
- Publication number
- NO981153D0 NO981153D0 NO981153A NO981153A NO981153D0 NO 981153 D0 NO981153 D0 NO 981153D0 NO 981153 A NO981153 A NO 981153A NO 981153 A NO981153 A NO 981153A NO 981153 D0 NO981153 D0 NO 981153D0
- Authority
- NO
- Norway
- Prior art keywords
- telecommunications network
- optical telecommunications
- filter selector
- selector
- filter
- 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
- G02B6/29346—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
- G02B6/29368—Light guide comprising the filter, e.g. filter deposited on a fibre end
-
- 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
- G02B6/29383—Adding and dropping
-
- 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
- G02B6/29395—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 configurable, e.g. tunable or reconfigurable
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9713575.0A GB9713575D0 (en) | 1997-06-26 | 1997-06-26 | Filter selector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO981153D0 true NO981153D0 (no) | 1998-03-16 |
| NO981153L NO981153L (no) | 1998-12-28 |
Family
ID=10814992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO981153A NO981153L (no) | 1997-06-26 | 1998-03-16 | Filtervelger i optisk telekommunikasjonsnett |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6181451B1 (no) |
| EP (1) | EP0887964B1 (no) |
| JP (1) | JPH1127239A (no) |
| CN (1) | CN1156097C (no) |
| AU (1) | AU753905B2 (no) |
| DE (1) | DE69834772T2 (no) |
| GB (2) | GB9713575D0 (no) |
| NO (1) | NO981153L (no) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69830695T2 (de) * | 1997-10-24 | 2005-12-29 | Canon K.K. | Gerät zur optischen Übertragung im freien Raum |
| WO2000039626A1 (en) * | 1998-12-31 | 2000-07-06 | Optical Coating Laboratory, Inc. | Wavelength selective optical switch |
| US6285508B1 (en) * | 1999-06-30 | 2001-09-04 | Radiant Research Inc. | Beam splitting ball lens method for its manufacture and apparatus for its packaging |
| WO2001057570A1 (en) * | 2000-02-07 | 2001-08-09 | Corning Incorporated | Segmented thin film add/drop switch and multiplexer |
| US6587608B2 (en) * | 2000-11-14 | 2003-07-01 | Chameleon Optics, Inc. | Reconfigurable, all optical add/drop nodes using non-interrupting switching apparatus and methods |
| GB2369896A (en) * | 2000-12-06 | 2002-06-12 | Marconi Comm Ltd | Tunable optical filter actuator |
| WO2002075378A2 (en) * | 2001-03-17 | 2002-09-26 | Marconi Uk Intellectual Property Ltd | Tuneable optical filter arrangement for wavelength division multiplex (wdm) network |
| US6781757B2 (en) | 2001-04-20 | 2004-08-24 | Micron Optics, Inc. | Polarization insensitive tunable optical filters |
| JP3517406B2 (ja) | 2001-10-10 | 2004-04-12 | サンテック株式会社 | 波長可変合分波器及び波長ルーティング装置 |
| JP3530840B2 (ja) | 2001-10-10 | 2004-05-24 | サンテック株式会社 | 波長可変分波器、波長可変合波器及び波長ルーティング装置 |
| US7268927B2 (en) | 2002-03-15 | 2007-09-11 | Corning Incorporated | Tunable optical filter array and method of use |
| WO2003079069A2 (en) * | 2002-03-15 | 2003-09-25 | Corning Incorporated | Optical filter array and method of use |
| US6912073B2 (en) | 2002-03-15 | 2005-06-28 | Corning Incorporated | Optical filter array and method of use |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4373782A (en) * | 1980-06-03 | 1983-02-15 | Optical Coating Laboratory, Inc. | Non-polarizing thin film edge filter |
| FR2731082B1 (fr) * | 1995-02-28 | 1997-04-04 | France Telecom | Multiplexeur optique a insertion-extraction utilisant des circulateurs optiques et des reseaux de bragg photoinscrits |
| US5812291A (en) * | 1995-03-22 | 1998-09-22 | Cselt Centro Studi E Laboratori Telecomunicazioni S.P.A. | Optical add-drop multiplexer for optical communication networks |
| US5583683A (en) * | 1995-06-15 | 1996-12-10 | Optical Corporation Of America | Optical multiplexing device |
| JPH0933750A (ja) * | 1995-07-18 | 1997-02-07 | Nippon Telegr & Teleph Corp <Ntt> | 波長多重合分波回路 |
| JP3356365B2 (ja) * | 1995-09-19 | 2002-12-16 | ケイディーディーアイ株式会社 | 光ａｄｍ装置 |
| US5706375A (en) * | 1996-09-10 | 1998-01-06 | Jds Fitel Inc. | Variable-attenuation tunable optical router |
| US6020986A (en) * | 1997-11-21 | 2000-02-01 | Jds Uniphase Corporation | Programmable add-drop module for use in an optical circuit |
-
1997
- 1997-06-26 GB GBGB9713575.0A patent/GB9713575D0/en active Pending
-
1998
- 1998-03-12 DE DE69834772T patent/DE69834772T2/de not_active Expired - Lifetime
- 1998-03-12 EP EP98301850A patent/EP0887964B1/en not_active Expired - Lifetime
- 1998-03-13 GB GB9805245A patent/GB2326785B/en not_active Revoked
- 1998-03-16 NO NO981153A patent/NO981153L/no unknown
- 1998-03-18 US US09/040,617 patent/US6181451B1/en not_active Expired - Lifetime
- 1998-03-19 JP JP10112633A patent/JPH1127239A/ja active Pending
- 1998-03-19 AU AU59392/98A patent/AU753905B2/en not_active Ceased
- 1998-04-16 CN CNB981066925A patent/CN1156097C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0887964A3 (en) | 2004-01-21 |
| EP0887964A2 (en) | 1998-12-30 |
| CN1204191A (zh) | 1999-01-06 |
| DE69834772D1 (de) | 2006-07-20 |
| NO981153L (no) | 1998-12-28 |
| GB9805245D0 (en) | 1998-05-06 |
| DE69834772T2 (de) | 2007-06-14 |
| US6181451B1 (en) | 2001-01-30 |
| AU5939298A (en) | 1999-01-07 |
| EP0887964B1 (en) | 2006-06-07 |
| GB9713575D0 (en) | 1997-09-03 |
| JPH1127239A (ja) | 1999-01-29 |
| GB2326785B (en) | 2002-09-04 |
| CN1156097C (zh) | 2004-06-30 |
| AU753905B2 (en) | 2002-10-31 |
| GB2326785A (en) | 1998-12-30 |
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