JPS58500143A - 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 - Google Patents
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Info
- Publication number
- JPS58500143A JPS58500143A JP57500705A JP50070582A JPS58500143A JP S58500143 A JPS58500143 A JP S58500143A JP 57500705 A JP57500705 A JP 57500705A JP 50070582 A JP50070582 A JP 50070582A JP S58500143 A JPS58500143 A JP S58500143A
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- axis
- light
- optical
- annular
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 39
- 230000005540 biological transmission Effects 0.000 title claims description 27
- 239000013307 optical fiber Substances 0.000 title claims description 10
- 239000000835 fiber Substances 0.000 claims description 116
- 230000003287 optical effect Effects 0.000 claims description 75
- 210000001747 pupil Anatomy 0.000 claims description 20
- 230000003595 spectral effect Effects 0.000 claims description 14
- 230000004907 flux Effects 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 230000001902 propagating effect Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 241001419232 Tornos Species 0.000 claims 1
- 239000011162 core material Substances 0.000 description 5
- 230000004075 alteration Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003455 independent Effects 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR000081/03527 | 1981-02-23 | ||
| 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 (1)
| Publication Number | Publication Date |
|---|---|
| JPS58500143A true JPS58500143A (ja) | 1983-01-20 |
Family
ID=9255517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57500705A Pending 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 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4504111A (en, 2012) |
| EP (1) | EP0072840B1 (en, 2012) |
| JP (1) | JPS58500143A (en, 2012) |
| DE (1) | DE3266601D1 (en, 2012) |
| FR (1) | FR2500639A1 (en, 2012) |
| WO (1) | WO1982002956A1 (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02135307A (ja) * | 1988-11-16 | 1990-05-24 | Iwasaki Electric Co Ltd | 光伝送リンク |
Families Citing this family (18)
| 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 |
| DE68928260T2 (de) * | 1988-01-19 | 1997-12-18 | Hewlett Packard Co | Spektralkombinationsvorrichtung |
| DE3833992A1 (de) * | 1988-10-06 | 1990-04-12 | Messerschmitt Boelkow Blohm | Bestrahlungseinrichtung |
| DE3833993A1 (de) * | 1988-10-06 | 1990-04-12 | Messerschmitt Boelkow Blohm | Lichtleiter- und bestrahlungseinrichtung |
| 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 |
| WO2003050581A1 (en) * | 2001-12-06 | 2003-06-19 | 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
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02135307A (ja) * | 1988-11-16 | 1990-05-24 | Iwasaki Electric Co Ltd | 光伝送リンク |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3266601D1 (en) | 1985-11-07 |
| FR2500639B1 (en, 2012) | 1985-04-05 |
| FR2500639A1 (fr) | 1982-08-27 |
| WO1982002956A1 (en) | 1982-09-02 |
| EP0072840B1 (fr) | 1985-10-02 |
| US4504111A (en) | 1985-03-12 |
| EP0072840A1 (fr) | 1983-03-02 |
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