FR2500639B1 - - Google Patents
Info
- Publication number
- FR2500639B1 FR2500639B1 FR8103527A FR8103527A FR2500639B1 FR 2500639 B1 FR2500639 B1 FR 2500639B1 FR 8103527 A FR8103527 A FR 8103527A FR 8103527 A FR8103527 A FR 8103527A FR 2500639 B1 FR2500639 B1 FR 2500639B1
- Authority
- FR
- France
- 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.)
- Expired
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
- G02B6/29379—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
-
- 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
-
- 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
- G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2581—Multimode transmission
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Couplings Of Light Guides (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/394,993 US4504111A (en) | 1981-02-23 | 1981-02-17 | Method of multiplexing transmission chanels in a step-index optical fibre and device for carrying out the method |
| FR8103527A FR2500639A1 (fr) | 1981-02-23 | 1981-02-23 | Procede de multiplexage de voies de transmission sur fibre optique a saut d'indice et dispositif de mise en oeuvre |
| JP57500705A JPS58500143A (ja) | 1981-02-23 | 1982-02-17 | ステツプ↓−インデクス光フアイバにおける伝送チヤンネルを多重化する方法およびこの方法を実施する装置 |
| EP82900666A EP0072840B1 (fr) | 1981-02-23 | 1982-02-17 | Procede de multiplexage de voies de transmission au sein d'une fibre optique a saut d'indice et dispositif de mise en oeuvre |
| DE8282900666T DE3266601D1 (en) | 1981-02-23 | 1982-02-17 | Method for the multiplexing of transmission channels in a step-index optical fiber and implementing device |
| PCT/NL1982/000004 WO1982002956A1 (en) | 1981-02-23 | 1982-02-17 | Method for the multiplexing of transmission channels on optical fibers with index jump and implementing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8103527A FR2500639A1 (fr) | 1981-02-23 | 1981-02-23 | Procede de multiplexage de voies de transmission sur fibre optique a saut d'indice et dispositif de mise en oeuvre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2500639A1 FR2500639A1 (fr) | 1982-08-27 |
| FR2500639B1 true FR2500639B1 (US07655688-20100202-C00548.png) | 1985-04-05 |
Family
ID=9255517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8103527A Granted FR2500639A1 (fr) | 1981-02-23 | 1981-02-23 | Procede de multiplexage de voies de transmission sur fibre optique a saut d'indice et dispositif de mise en oeuvre |
Country Status (6)
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2105544B (en) * | 1981-09-01 | 1985-03-27 | Standard Telephones Cables Ltd | Multiplexing of optical signals |
| US4817205A (en) * | 1983-06-16 | 1989-03-28 | Trw Inc. | Bimodal optical fiber communication system using graded index fiber |
| US4770485A (en) * | 1987-05-05 | 1988-09-13 | Hughes Aircraft Company | Apparatus to launch separated mode groups into optical fibers |
| DE68922751T2 (de) * | 1988-01-19 | 1995-09-28 | Hewlett Packard Co | Optisches Kommunikationssystem mehrerer Kanäle. |
| DE3833993A1 (de) * | 1988-10-06 | 1990-04-12 | Messerschmitt Boelkow Blohm | Lichtleiter- und bestrahlungseinrichtung |
| DE3833992A1 (de) * | 1988-10-06 | 1990-04-12 | Messerschmitt Boelkow Blohm | Bestrahlungseinrichtung |
| JPH02135307A (ja) * | 1988-11-16 | 1990-05-24 | Iwasaki Electric Co Ltd | 光伝送リンク |
| US4900117A (en) * | 1989-02-21 | 1990-02-13 | Chen Linus T | Rotary optical coupler utilizing cylindrical ringshaped mirrors and method of making same |
| JPH07281053A (ja) * | 1994-04-11 | 1995-10-27 | Mitsui Petrochem Ind Ltd | ファイバ光結合装置 |
| GB9605011D0 (en) * | 1996-03-08 | 1996-05-08 | Hewlett Packard Co | Multimode communications systems |
| US7656578B2 (en) * | 1997-03-21 | 2010-02-02 | Imra America, Inc. | Microchip-Yb fiber hybrid optical amplifier for micro-machining and marking |
| US7576909B2 (en) | 1998-07-16 | 2009-08-18 | Imra America, Inc. | Multimode amplifier for amplifying single mode light |
| US6462846B1 (en) * | 1998-07-29 | 2002-10-08 | Trw Inc. | Shared telescope optical communication terminal |
| US6275512B1 (en) | 1998-11-25 | 2001-08-14 | Imra America, Inc. | Mode-locked multimode fiber laser pulse source |
| AU2002353071A1 (en) * | 2001-12-06 | 2003-06-23 | Florida Institute Of Technology | Method and apparatus for spatial domain multiplexing in optical fiber communications |
| KR100536684B1 (ko) * | 2003-06-30 | 2005-12-14 | 주식회사 대우일렉트로닉스 | 홀로그래픽 롬 시스템 |
| EP1585119A1 (en) * | 2004-04-06 | 2005-10-12 | Deutsche Thomson-Brandt Gmbh | Device for reading and /or writing optical recording media |
| AT505139B1 (de) | 2004-09-27 | 2012-04-15 | Durst Phototechnik Digital Technology Gmbh | Vorrichtung zum erzeugen eines mehrfarbigen, digitalen bildes |
| KR100626965B1 (ko) | 2004-12-15 | 2006-09-21 | 주식회사 대우일렉트로닉스 | 코니컬 미러 제조 방법 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2415046A1 (de) * | 1974-03-28 | 1975-10-02 | Siemens Ag | Vorrichtung zur verteilung von lichtsignalen auf mehrere empfaenger |
| GB1441369A (en) * | 1974-05-07 | 1976-06-30 | Plessey Co Ltd | Optical fibre transmission compensator |
| US4050782A (en) * | 1975-04-21 | 1977-09-27 | Nippon Electric Company, Ltd. | Mode separator and delay equalizer for multimode optical fiber transmission systems |
| JPS5381135A (en) * | 1976-12-15 | 1978-07-18 | Fujitsu Ltd | Combining device of fiber modes |
-
1981
- 1981-02-17 US US06/394,993 patent/US4504111A/en not_active Expired - Fee Related
- 1981-02-23 FR FR8103527A patent/FR2500639A1/fr active Granted
-
1982
- 1982-02-17 JP JP57500705A patent/JPS58500143A/ja active Pending
- 1982-02-17 EP EP82900666A patent/EP0072840B1/fr not_active Expired
- 1982-02-17 DE DE8282900666T patent/DE3266601D1/de not_active Expired
- 1982-02-17 WO PCT/NL1982/000004 patent/WO1982002956A1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| EP0072840A1 (fr) | 1983-03-02 |
| EP0072840B1 (fr) | 1985-10-02 |
| JPS58500143A (ja) | 1983-01-20 |
| WO1982002956A1 (en) | 1982-09-02 |
| DE3266601D1 (en) | 1985-11-07 |
| US4504111A (en) | 1985-03-12 |
| FR2500639A1 (fr) | 1982-08-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |