JPS58168004A - 光フアイバ - Google Patents
光フアイバInfo
- Publication number
- JPS58168004A JPS58168004A JP58039343A JP3934383A JPS58168004A JP S58168004 A JPS58168004 A JP S58168004A JP 58039343 A JP58039343 A JP 58039343A JP 3934383 A JP3934383 A JP 3934383A JP S58168004 A JPS58168004 A JP S58168004A
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- dispersion
- refractive index
- cladding layer
- wavelength
- 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.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 title claims description 14
- 239000000835 fiber Substances 0.000 description 46
- 238000005253 cladding Methods 0.000 description 43
- 239000006185 dispersion Substances 0.000 description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000000654 additive Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 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
- G02B6/02—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
- G02B6/02223—Dual window fibres, i.e. characterised by dispersion properties around 1550 nm and in at least another wavelength window, e.g. 1310 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
- G02B6/02228—Dispersion flattened fibres, i.e. having a low dispersion variation over an extended wavelength range
- G02B6/02233—Dispersion flattened fibres, i.e. having a low dispersion variation over an extended wavelength range having at least two dispersion zero wavelengths
-
- 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
- G02B6/03616—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 - + - +
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Waveguides (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35705382A | 1982-03-11 | 1982-03-11 | |
| US357053 | 1989-05-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58168004A true JPS58168004A (ja) | 1983-10-04 |
| JPS6237361B2 JPS6237361B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-08-12 |
Family
ID=23404110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58039343A Granted JPS58168004A (ja) | 1982-03-11 | 1983-03-11 | 光フアイバ |
Country Status (6)
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005006041A1 (ja) * | 2003-07-11 | 2005-01-20 | Sumitomo Electric Industries, Ltd. | 光ファイバ、光ファイバ伝送路及び光伝送システム |
| US7321711B2 (en) | 2002-02-13 | 2008-01-22 | The Furukawa Electric Co., Ltd. | Optical fiber and optical transmission line and optical communication system including such optical fiber |
| JP2009301814A (ja) * | 2008-06-12 | 2009-12-24 | Ichikoh Ind Ltd | 車両用灯具 |
| JP4496649B2 (ja) * | 1999-04-16 | 2010-07-07 | 住友電気工業株式会社 | 光ファイバ及びそれを含む光伝送路 |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL71644A (en) * | 1983-05-20 | 1987-11-30 | Corning Glass Works | Low dispersion,low-loss single-mode optical waveguide |
| US4641917A (en) * | 1985-02-08 | 1987-02-10 | At&T Bell Laboratories | Single mode optical fiber |
| NL8502625A (nl) * | 1985-09-26 | 1987-04-16 | Philips Nv | Optisch transmissiesysteem bevattende een stralingsbron en een meervoudig beklede monomode optische transmissievezel met een negatieve stap in het brekingsindexprofiel. |
| DE3812140A1 (de) * | 1988-04-12 | 1989-11-02 | Schott Glaswerke | Monomode-lichtleitfaser |
| EP0413387A1 (de) * | 1989-08-16 | 1991-02-20 | Koninklijke Philips Electronics N.V. | Polarisationshaltige einwellige optische Faser |
| US5361319A (en) * | 1992-02-04 | 1994-11-01 | Corning Incorporated | Dispersion compensating devices and systems |
| US5553185A (en) * | 1994-12-27 | 1996-09-03 | Corning Incorporated | Controlled dispersion optical waveguide |
| FR2736440B1 (fr) * | 1995-07-07 | 1997-08-01 | Alcatel Submarcom | Guide optique monomode a dispersion decalee et grande surface effective de mode |
| US5878182A (en) * | 1997-06-05 | 1999-03-02 | Lucent Technologies Inc. | Optical fiber having a low-dispersion slope in the erbium amplifier region |
| GB9814526D0 (en) | 1998-07-03 | 1998-09-02 | Univ Southampton | Optical fibre and optical fibre device |
| FR2782391A1 (fr) | 1998-08-13 | 2000-02-18 | Alsthom Cge Alcatel | Ajout d'un anneau externe au profil d'indice d'une fibre optique monomode a dispersion decalee |
| WO2000065386A1 (en) * | 1999-04-23 | 2000-11-02 | Massachusetts Institute Of Technology | All-dielectric coaxial waveguide |
| US6317549B1 (en) | 1999-05-24 | 2001-11-13 | Lucent Technologies Inc. | Optical fiber having negative dispersion and low slope in the Erbium amplifier region |
| EP1111414A3 (en) * | 1999-12-13 | 2007-08-08 | Sumitomo Electric Industries, Ltd. | Optical fiber and optical transmission system |
| JP4206623B2 (ja) * | 2000-09-01 | 2009-01-14 | 住友電気工業株式会社 | 負分散光ファイバおよび光伝送路 |
| WO2005082801A2 (en) | 2004-02-20 | 2005-09-09 | Corning Incorporated | Optical fiber and method for making such fiber |
| US7203407B2 (en) * | 2004-10-21 | 2007-04-10 | Corning Incorporated | Rare earth doped single polarization double clad optical fiber and a method for making such fiber |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU504423B2 (en) * | 1975-11-14 | 1979-10-11 | International Standard Electric Corporation | Optical fibre |
| GB1602052A (en) * | 1977-06-20 | 1981-11-04 | Int Standard Electric Corp | Optical fibre manufacture |
| US4179187A (en) * | 1977-08-12 | 1979-12-18 | Corning Glass Works | Multiple mode waveguide having cylindrical perturbations |
| US4183621A (en) * | 1977-12-29 | 1980-01-15 | International Telephone And Telegraph Corporation | Water resistant high strength fibers |
| GB2067781B (en) * | 1979-10-29 | 1983-09-01 | Standard Telephones Cables Ltd | Optical fibres |
| DE3064002D1 (en) * | 1980-02-12 | 1983-08-11 | Post Office | A glass optical fibre and a method of coating a plastic coated glass fibre with metal |
| US4418984A (en) * | 1980-11-03 | 1983-12-06 | Hughes Aircraft Company | Multiply coated metallic clad fiber optical waveguide |
| JPS6014321B2 (ja) * | 1981-08-18 | 1985-04-12 | 日立電線株式会社 | 定偏波型光フアイバ |
| AU531893B2 (en) * | 1981-08-19 | 1983-09-08 | Hitachi Cable Ltd. | d |
| CA1205307A (en) * | 1981-12-07 | 1986-06-03 | Venkata A. Bhagavatula | Low dispersion, low-loss single-mode optical waveguide |
-
1983
- 1983-01-26 CA CA000420280A patent/CA1248386A/en not_active Expired
- 1983-03-05 DE DE19833307874 patent/DE3307874A1/de active Granted
- 1983-03-07 FR FR8303686A patent/FR2523316B1/fr not_active Expired
- 1983-03-09 GB GB08306443A patent/GB2116744B/en not_active Expired
- 1983-03-10 NL NL8300880A patent/NL8300880A/nl not_active Application Discontinuation
- 1983-03-11 JP JP58039343A patent/JPS58168004A/ja active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4496649B2 (ja) * | 1999-04-16 | 2010-07-07 | 住友電気工業株式会社 | 光ファイバ及びそれを含む光伝送路 |
| US7321711B2 (en) | 2002-02-13 | 2008-01-22 | The Furukawa Electric Co., Ltd. | Optical fiber and optical transmission line and optical communication system including such optical fiber |
| US7505659B2 (en) | 2002-02-13 | 2009-03-17 | The Furukawa Electric Co., Ltd. | Optical fiber and optical transmission line and optical communication system including such optical fiber |
| WO2005006041A1 (ja) * | 2003-07-11 | 2005-01-20 | Sumitomo Electric Industries, Ltd. | 光ファイバ、光ファイバ伝送路及び光伝送システム |
| JP2009301814A (ja) * | 2008-06-12 | 2009-12-24 | Ichikoh Ind Ltd | 車両用灯具 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2523316B1 (fr) | 1987-11-27 |
| GB2116744B (en) | 1987-01-21 |
| GB2116744A (en) | 1983-09-28 |
| JPS6237361B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-08-12 |
| NL8300880A (nl) | 1983-10-03 |
| GB8306443D0 (en) | 1983-04-13 |
| FR2523316A1 (fr) | 1983-09-16 |
| DE3307874C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-01-10 |
| CA1248386A (en) | 1989-01-10 |
| DE3307874A1 (de) | 1983-09-22 |
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