HK117193A - Optical fiber - Google Patents
Optical fiberInfo
- Publication number
- HK117193A HK117193A HK1171/93A HK117193A HK117193A HK 117193 A HK117193 A HK 117193A HK 1171/93 A HK1171/93 A HK 1171/93A HK 117193 A HK117193 A HK 117193A HK 117193 A HK117193 A HK 117193A
- Authority
- HK
- Hong Kong
- Prior art keywords
- optical fiber
- fiber
- optical
- 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
-
- 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
- G02B6/03694—Multiple layers differing in properties other than the refractive index, e.g. attenuation, diffusion, stress properties
-
- 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
- G02B6/02228—Dispersion flattened fibres, i.e. having a low dispersion variation over an extended wavelength range
- G02B6/02238—Low dispersion slope fibres
-
- 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
- G02B6/02276—Dispersion shifted fibres, i.e. zero dispersion at 1550 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
- G02B6/036—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
- G02B6/0365—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
- G02B6/036—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
- G02B6/03661—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 4 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
- G02B6/02—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
- G02B6/03661—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 4 layers only
- G02B6/03666—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 4 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
- G02B6/036—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
- G02B6/03661—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 4 layers only
- G02B6/03683—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 4 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
- G02B6/036—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
- G02B6/03688—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 5 or more layers
-
- 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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89487186A | 1986-08-08 | 1986-08-08 | |
US07/033,327 US4852968A (en) | 1986-08-08 | 1987-04-02 | Optical fiber comprising a refractive index trench |
Publications (1)
Publication Number | Publication Date |
---|---|
HK117193A true HK117193A (en) | 1993-11-05 |
Family
ID=26709556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK1171/93A HK117193A (en) | 1986-08-08 | 1993-10-28 | Optical fiber |
Country Status (9)
Country | Link |
---|---|
US (1) | US4852968A (ko) |
EP (1) | EP0260795B1 (ko) |
JP (1) | JP2618400B2 (ko) |
KR (1) | KR960001319B1 (ko) |
CA (1) | CA1302756C (ko) |
DE (1) | DE3784419T2 (ko) |
DK (1) | DK169222B1 (ko) |
HK (1) | HK117193A (ko) |
SG (1) | SG59993G (ko) |
Families Citing this family (150)
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DE3804152A1 (de) * | 1988-02-11 | 1989-08-24 | Rheydt Kabelwerk Ag | Lichtwellenleiter |
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DE3812140A1 (de) * | 1988-04-12 | 1989-11-02 | Schott Glaswerke | Monomode-lichtleitfaser |
GB2228585A (en) * | 1989-02-28 | 1990-08-29 | Stc Plc | Silica optical fibre having two cladding layers |
DE3912400C1 (ko) * | 1989-04-15 | 1990-01-11 | Schott Glaswerke, 6500 Mainz, De | |
US5044724A (en) * | 1989-12-22 | 1991-09-03 | At&T Bell Laboratories | Method of producing optical fiber, and fiber produced by the method |
US5361319A (en) * | 1992-02-04 | 1994-11-01 | Corning Incorporated | Dispersion compensating devices and systems |
US5461692A (en) * | 1993-11-30 | 1995-10-24 | Amoco Corporation | Multimode optical fiber coupling apparatus and method of transmitting laser radiation using same |
FR2728692B1 (fr) * | 1994-12-23 | 1997-01-31 | Alcatel Fibres Optiques | Fibre optique monomode |
BR9500990A (pt) * | 1995-03-28 | 1995-08-01 | Abc Algar | Guia de onda ótico |
US5822488A (en) | 1995-10-04 | 1998-10-13 | Sumitomo Electric Industries, Inc. | Single-mode optical fiber with plural core portions |
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JPH1033549A (ja) * | 1996-07-24 | 1998-02-10 | Shinji Kokubu | レーザプローブ |
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WO1999057587A1 (fr) | 1998-04-30 | 1999-11-11 | Sumitomo Electric Industries, Ltd. | Fibre optique |
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WO2000022466A1 (en) | 1998-10-14 | 2000-04-20 | Massachusetts Institute Of Technology | Omnidirectional multilayer device for optical waveguiding |
KR100661766B1 (ko) | 1998-11-02 | 2006-12-28 | 스미토모덴키고교가부시키가이샤 | 싱글 모드 광 파이버 및 그 제조 방법 |
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-
1987
- 1987-04-02 US US07/033,327 patent/US4852968A/en not_active Expired - Lifetime
- 1987-07-13 DK DK363187A patent/DK169222B1/da not_active IP Right Cessation
- 1987-07-20 JP JP62179255A patent/JP2618400B2/ja not_active Expired - Lifetime
- 1987-07-20 KR KR1019870007812A patent/KR960001319B1/ko not_active IP Right Cessation
- 1987-07-29 EP EP87306682A patent/EP0260795B1/en not_active Expired - Lifetime
- 1987-07-29 DE DE8787306682T patent/DE3784419T2/de not_active Expired - Fee Related
- 1987-08-07 CA CA000544008A patent/CA1302756C/en not_active Expired - Fee Related
-
1993
- 1993-05-07 SG SG59993A patent/SG59993G/en unknown
- 1993-10-28 HK HK1171/93A patent/HK117193A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR880003200A (ko) | 1988-05-14 |
EP0260795A2 (en) | 1988-03-23 |
JP2618400B2 (ja) | 1997-06-11 |
DE3784419D1 (de) | 1993-04-08 |
DK363187A (da) | 1988-02-09 |
DK363187D0 (da) | 1987-07-13 |
JPS6343107A (ja) | 1988-02-24 |
DE3784419T2 (de) | 1993-06-09 |
DK169222B1 (da) | 1994-09-12 |
CA1302756C (en) | 1992-06-09 |
KR960001319B1 (ko) | 1996-01-25 |
EP0260795B1 (en) | 1993-03-03 |
EP0260795A3 (en) | 1988-03-30 |
SG59993G (en) | 1993-07-09 |
US4852968A (en) | 1989-08-01 |
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