CN100501466C - 单模光传输光纤 - Google Patents
单模光传输光纤 Download PDFInfo
- Publication number
- CN100501466C CN100501466C CNB2004100039559A CN200410003955A CN100501466C CN 100501466 C CN100501466 C CN 100501466C CN B2004100039559 A CNB2004100039559 A CN B2004100039559A CN 200410003955 A CN200410003955 A CN 200410003955A CN 100501466 C CN100501466 C CN 100501466C
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- dispersion
- refringence
- approximately
- glassy layer
- 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.)
- Expired - Fee Related
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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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
- G02B6/03644—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - + -
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02004—Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
- G02B6/02009—Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres
- G02B6/02014—Effective area greater than 60 square microns in the C band, i.e. 1530-1565 nm
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
- G02B6/02219—Characterised by the wavelength dispersion properties in the silica low loss window around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
- G02B6/02252—Negative dispersion fibres at 1550 nm
- G02B6/02257—Non-zero dispersion shifted fibres, i.e. having a small negative dispersion at 1550 nm, e.g. ITU-T G.655 dispersion between - 1.0 to - 10 ps/nm.km for avoiding nonlinear effects
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
- G02B6/02219—Characterised by the wavelength dispersion properties in the silica low loss window around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
- G02B6/02266—Positive dispersion fibres at 1550 nm
- G02B6/02271—Non-zero dispersion shifted fibres, i.e. having a small positive dispersion at 1550 nm, e.g. ITU-T G.655 dispersion between 1.0 to 10 ps/nm.km for avoiding nonlinear effects
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03605—Highest refractive index not on central axis
- G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
-
- 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
- G02B6/29374—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 in an optical light guide
- G02B6/29376—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 in an optical light guide coupling light guides for controlling wavelength dispersion, e.g. by concatenation of two light guides having different dispersion properties
- G02B6/29377—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 in an optical light guide coupling light guides for controlling wavelength dispersion, e.g. by concatenation of two light guides having different dispersion properties controlling dispersion around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
-
- 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
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
- H04B10/2513—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
- H04B10/2525—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using dispersion-compensating fibres
- H04B10/25253—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using dispersion-compensating fibres with dispersion management, i.e. using a combination of different kind of fibres in the transmission system
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Abstract
Description
系统类型 | 负色散光纤类型/1560nm波长下的色散值(ps/nm/km) | 1560nm波长下的长度(km)/衰减(dB/km) | 正色散光纤类型/1560nm波长下的色散值(ps/nm/km) | 1560nm波长下的长度(km)/衰减(dB/km) |
构形#1 | NZD/-2 | 720/0.210 | SMF/+18 | 80/0.190 |
构形#2 | NZD/-2 | 725/0.210 | PSC/+19 | 75/0.180 |
实施例#1 | HNDF/-4.5 | 640/0.210 | SMF/+18 | 160/0.190 |
实施例#2 | HNDF/-4.5 | 648/0.210 | PSC/+19 | 152/0.180 |
实施例#3 | HNDF/-4.5 | 560/0.210 | HDS/+11 | 240/0.195 |
系统类型 | 1560nm下的总的系统衰减(dB) | 1560nm波长下的衰减降低(dB) |
构形#1 | 166.4 | - |
构形#2 | 165.7 | 0.7 |
实施例#1 | 164.8 | 1.6 |
实施例#2 | 163.4 | 3.0 |
实施例#3 | 164.4 | 2.0 |
系统类型 | 负色散光纤类型/1560nm波长下的色散值(ps/nm/km) | 1560nm波长下的长度(km)/衰减(dB/km) | 正色散光纤类型/1560nm波长下的色散值(ps/nm/km) | 1560nm波长下的长度(km)/衰减(dB/km) |
实施例#4 | NZD/-2 | 670/0.210 | HDSF/+11 | 130/0.195 |
系统类型 | 1560nm下的总的系统衰减(dB) | 1560nm波长下的衰减降低(dB) |
实施例#4 | 166 | 0.3 |
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98124065 | 1998-12-18 | ||
EP98124065.8 | 1998-12-18 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998157295A Division CN1168236C (zh) | 1998-12-18 | 1999-12-15 | 在光传输线上发送信号的方法以及光通信系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1536378A CN1536378A (zh) | 2004-10-13 |
CN100501466C true CN100501466C (zh) | 2009-06-17 |
Family
ID=8233171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100039559A Expired - Fee Related CN100501466C (zh) | 1998-12-18 | 1999-12-15 | 单模光传输光纤 |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN100501466C (zh) |
AR (1) | AR031517A1 (zh) |
AU (1) | AU779898B2 (zh) |
BR (1) | BR9916365A (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114637068B (zh) * | 2022-03-04 | 2023-12-19 | 长飞光纤光缆股份有限公司 | 一种增益均衡少模掺铒光纤及其制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5684909A (en) * | 1996-02-23 | 1997-11-04 | Corning Inc | Large effective area single mode optical waveguide |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2299473A (en) * | 1995-03-27 | 1996-10-02 | Hitachi Cable | Broadband long-distance optical fibre communications |
US5611016A (en) * | 1996-06-07 | 1997-03-11 | Lucent Technologies Inc. | Dispersion-balanced optical cable |
-
1999
- 1999-12-15 CN CNB2004100039559A patent/CN100501466C/zh not_active Expired - Fee Related
- 1999-12-15 BR BR9916365-9A patent/BR9916365A/pt not_active Application Discontinuation
- 1999-12-15 AU AU19800/00A patent/AU779898B2/en not_active Ceased
- 1999-12-17 AR ARP990106493A patent/AR031517A1/es unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5684909A (en) * | 1996-02-23 | 1997-11-04 | Corning Inc | Large effective area single mode optical waveguide |
Also Published As
Publication number | Publication date |
---|---|
AU1980000A (en) | 2000-07-12 |
AU779898B2 (en) | 2005-02-17 |
AR031517A1 (es) | 2003-09-24 |
CN1536378A (zh) | 2004-10-13 |
BR9916365A (pt) | 2001-12-11 |
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C06 | Publication | ||
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: GSCP ARSENAL (LUX) II SAAR COMPANY Free format text: FORMER OWNER: PIRELLI + C. CO., LTD. Effective date: 20071130 Owner name: PRASSMAN CABLE AND SYSTEM ENER Free format text: FORMER OWNER: PRISSMINE (LUX)II CO.,LTD. Effective date: 20071130 |
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Effective date of registration: 20071130 Address after: Luxemburg Luxemburg Applicant after: GSCP Arsenal (LUX) II Saar Address before: Milan Italy Applicant before: PIRELLI & C. S.P.A. Effective date of registration: 20071130 Address after: Milan Italy Applicant after: PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. Address before: Luxemburg Luxemburg Applicant before: Price Miln (LUX) II Co. |
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