NO168391C - Optisk boelgeleder av enkelmodum-typen med lav spredning og lavt tap - Google Patents
Optisk boelgeleder av enkelmodum-typen med lav spredning og lavt tapInfo
- Publication number
- NO168391C NO168391C NO841986A NO841986A NO168391C NO 168391 C NO168391 C NO 168391C NO 841986 A NO841986 A NO 841986A NO 841986 A NO841986 A NO 841986A NO 168391 C NO168391 C NO 168391C
- Authority
- NO
- Norway
- Prior art keywords
- low
- core
- optical body
- body guide
- single modem
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
-
- 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
-
- 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
-
- 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
- G02B6/036—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
- G02B6/03638—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
- G02B6/036—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
- G02B6/03688—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
- G02B6/02276—Dispersion shifted fibres, i.e. zero dispersion at 1550 nm
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Optical Integrated Circuits (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Glass Compositions (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Detergent Compositions (AREA)
- Optical Couplings Of Light Guides (AREA)
- Laser Surgery Devices (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Gyroscopes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49656083A | 1983-05-20 | 1983-05-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO841986L NO841986L (no) | 1984-11-21 |
NO168391B NO168391B (no) | 1991-11-04 |
NO168391C true NO168391C (no) | 1992-02-12 |
Family
ID=23973172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO841986A NO168391C (no) | 1983-05-20 | 1984-05-18 | Optisk boelgeleder av enkelmodum-typen med lav spredning og lavt tap |
Country Status (17)
Country | Link |
---|---|
EP (1) | EP0127408B2 (es) |
JP (3) | JPS59226301A (es) |
KR (1) | KR910007895B1 (es) |
AT (1) | ATE48479T1 (es) |
AU (1) | AU561632B2 (es) |
BR (1) | BR8402305A (es) |
CA (1) | CA1246363A (es) |
DE (1) | DE3480665D1 (es) |
DK (1) | DK163454B (es) |
ES (1) | ES8606674A1 (es) |
FI (1) | FI82314C (es) |
HK (1) | HK88790A (es) |
IL (1) | IL71644A (es) |
IN (1) | IN160397B (es) |
MX (1) | MX158483A (es) |
NO (1) | NO168391C (es) |
SG (1) | SG73990G (es) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4641917A (en) * | 1985-02-08 | 1987-02-10 | At&T Bell Laboratories | Single mode optical fiber |
JPS6252508A (ja) * | 1985-09-02 | 1987-03-07 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバ |
JP2533083B2 (ja) * | 1985-10-04 | 1996-09-11 | 住友電気工業株式会社 | 1.5μ帯零分散シングルモ−ドフアイバ |
JPS62291605A (ja) * | 1986-06-11 | 1987-12-18 | Sumitomo Electric Ind Ltd | 光フアイバ |
US4852968A (en) | 1986-08-08 | 1989-08-01 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical fiber comprising a refractive index trench |
JPS63208004A (ja) * | 1987-02-25 | 1988-08-29 | Sumitomo Electric Ind Ltd | 光フアイバ |
CA2096182C (en) * | 1992-08-19 | 2000-12-05 | Hiroo Kanamori | Mode field diameter conversion fiber |
US5483612A (en) * | 1994-10-17 | 1996-01-09 | Corning Incorporated | Increased capacity optical waveguide |
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 |
FR2782392A1 (fr) * | 1999-08-23 | 2000-02-18 | Cit Alcatel | Fibre optique monomode a dispersion decalee comprenant un anneau exterieur |
DE102011009242B4 (de) * | 2010-11-04 | 2020-09-03 | J-Plasma Gmbh | Lichtwellenleiter und Halbzeug zur Herstellung eines Lichtwellenleiters mit biegeoptimierten Eigenschaften |
JP5496370B2 (ja) * | 2011-01-24 | 2014-05-21 | ミヤチテクノス株式会社 | 光ファイバ、及びそれを備えたレーザ加工装置 |
DE102011052197B4 (de) * | 2011-07-27 | 2019-08-01 | J-Plasma Gmbh | Lichtwellenleiter mit biegeoptimierten Eigenschaften |
JP2016148749A (ja) * | 2015-02-12 | 2016-08-18 | 株式会社フジクラ | 分散シフト光ファイバ |
WO2018140278A1 (en) * | 2017-01-24 | 2018-08-02 | Corning Incorporated | Optical fibers and optical systems comprising the same |
WO2024035270A1 (en) * | 2022-08-10 | 2024-02-15 | Huawei Technologies Co., Ltd. | Optical fiber and design method thereof |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4149772A (en) * | 1975-09-22 | 1979-04-17 | Northern Electric Company Limited | Optical fibre having low mode dispersion |
JPS52106748A (en) * | 1976-02-16 | 1977-09-07 | Nippon Telegr & Teleph Corp <Ntt> | Light transmission channel |
US4265515A (en) * | 1978-05-08 | 1981-05-05 | International Telephone And Telegraph Corporation | Optical fiber waveguide with effective refractive index profile |
US4385802A (en) * | 1980-06-09 | 1983-05-31 | Corning Glass Works | Long wavelength, low-loss optical waveguide |
GB2100464B (en) * | 1981-05-11 | 1985-07-17 | Bicc Plc | An improved optical fibre |
CA1205307A (en) * | 1981-12-07 | 1986-06-03 | Venkata A. Bhagavatula | Low dispersion, low-loss single-mode optical waveguide |
CA1248386A (en) * | 1982-03-11 | 1989-01-10 | Leonard G. Cohen | Quadruple-clad optical fiberguide |
JPH035721A (ja) * | 1989-06-02 | 1991-01-11 | Toshiba Corp | 液晶表示素子 |
-
1984
- 1984-04-25 IL IL71644A patent/IL71644A/xx not_active IP Right Cessation
- 1984-04-27 CA CA000452944A patent/CA1246363A/en not_active Expired
- 1984-05-07 ES ES532253A patent/ES8606674A1/es not_active Expired
- 1984-05-14 JP JP59094782A patent/JPS59226301A/ja active Pending
- 1984-05-14 IN IN350/MAS/84A patent/IN160397B/en unknown
- 1984-05-14 MX MX201337A patent/MX158483A/es unknown
- 1984-05-15 BR BR8402305A patent/BR8402305A/pt not_active IP Right Cessation
- 1984-05-16 AU AU28086/84A patent/AU561632B2/en not_active Expired
- 1984-05-17 DK DK246784A patent/DK163454B/da not_active Application Discontinuation
- 1984-05-17 FI FI841998A patent/FI82314C/fi not_active IP Right Cessation
- 1984-05-18 KR KR1019840002720A patent/KR910007895B1/ko not_active IP Right Cessation
- 1984-05-18 DE DE8484303402T patent/DE3480665D1/de not_active Expired - Lifetime
- 1984-05-18 EP EP84303402A patent/EP0127408B2/en not_active Expired - Lifetime
- 1984-05-18 NO NO841986A patent/NO168391C/no unknown
- 1984-05-18 AT AT84303402T patent/ATE48479T1/de active
-
1990
- 1990-09-06 SG SG739/90A patent/SG73990G/en unknown
- 1990-11-01 HK HK887/90A patent/HK88790A/xx not_active IP Right Cessation
- 1990-12-25 JP JP1990404175U patent/JPH04104604U/ja active Pending
-
1994
- 1994-03-22 JP JP002441U patent/JPH0743694U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NO841986L (no) | 1984-11-21 |
NO168391B (no) | 1991-11-04 |
FI82314B (fi) | 1990-10-31 |
FI841998A0 (fi) | 1984-05-17 |
ATE48479T1 (de) | 1989-12-15 |
ES8606674A1 (es) | 1986-04-01 |
EP0127408B2 (en) | 1993-11-10 |
FI82314C (fi) | 1991-02-11 |
JPH0743694U (ja) | 1995-09-05 |
DK246784A (da) | 1984-11-21 |
KR910007895B1 (ko) | 1991-10-04 |
DK246784D0 (da) | 1984-05-17 |
FI841998A (fi) | 1984-11-21 |
SG73990G (en) | 1990-11-23 |
DK163454B (da) | 1992-03-02 |
BR8402305A (pt) | 1984-12-26 |
EP0127408A1 (en) | 1984-12-05 |
ES532253A0 (es) | 1986-04-01 |
IL71644A (en) | 1987-11-30 |
IL71644A0 (en) | 1984-07-31 |
DE3480665D1 (de) | 1990-01-11 |
HK88790A (en) | 1990-11-09 |
JPH04104604U (ja) | 1992-09-09 |
MX158483A (es) | 1989-02-03 |
JPS59226301A (ja) | 1984-12-19 |
CA1246363A (en) | 1988-12-13 |
EP0127408B1 (en) | 1989-12-06 |
AU561632B2 (en) | 1987-05-14 |
KR850000540A (ko) | 1985-02-28 |
IN160397B (es) | 1987-07-11 |
AU2808684A (en) | 1984-11-22 |
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