FI824178A0 - Monomod optiskt vaogroer med laog dispersion och laog daempning - Google Patents
Monomod optiskt vaogroer med laog dispersion och laog daempningInfo
- Publication number
- FI824178A0 FI824178A0 FI824178A FI824178A FI824178A0 FI 824178 A0 FI824178 A0 FI 824178A0 FI 824178 A FI824178 A FI 824178A FI 824178 A FI824178 A FI 824178A FI 824178 A0 FI824178 A0 FI 824178A0
- Authority
- FI
- Finland
- Prior art keywords
- core
- dispersion
- monomod
- daempning
- medical
- 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
- 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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0286—Combination of graded index in the central core segment and a graded index layer external to the central core segment
-
- 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
- G02B6/02214—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)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Optical Integrated Circuits (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Communication System (AREA)
- Paper (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- User Interface Of Digital Computer (AREA)
- Eye Examination Apparatus (AREA)
- Prostheses (AREA)
- External Artificial Organs (AREA)
- Laser Surgery Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32836981A | 1981-12-07 | 1981-12-07 | |
US32836981 | 1981-12-07 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI824178A0 true FI824178A0 (fi) | 1982-12-03 |
FI824178L FI824178L (fi) | 1983-06-08 |
FI81684B FI81684B (fi) | 1990-07-31 |
FI81684C FI81684C (fi) | 1990-11-12 |
Family
ID=23280717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI824178A FI81684C (fi) | 1981-12-07 | 1982-12-03 | Monomod optiskt vaogroer med laog dispersion och laog daempning. |
Country Status (15)
Country | Link |
---|---|
EP (1) | EP0083843B1 (fi) |
JP (1) | JPS58104040A (fi) |
KR (1) | KR880001339B1 (fi) |
AT (1) | ATE46770T1 (fi) |
AU (1) | AU555648B2 (fi) |
BR (1) | BR8206652A (fi) |
CA (1) | CA1205307A (fi) |
DE (1) | DE3279964D1 (fi) |
DK (1) | DK158684C (fi) |
ES (1) | ES517508A0 (fi) |
FI (1) | FI81684C (fi) |
IL (1) | IL67211A (fi) |
IN (1) | IN156700B (fi) |
MX (1) | MX152385A (fi) |
NO (1) | NO166151C (fi) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1248386A (en) * | 1982-03-11 | 1989-01-10 | Leonard G. Cohen | Quadruple-clad optical fiberguide |
IL71644A (en) * | 1983-05-20 | 1987-11-30 | Corning Glass Works | Low dispersion,low-loss single-mode optical waveguide |
DE3376884D1 (de) * | 1983-06-29 | 1988-07-07 | Ant Nachrichtentech | Single-mode w-fibre |
JPH068185B2 (ja) * | 1984-11-27 | 1994-02-02 | 住友電気工業株式会社 | 光ファイバ用母材の製造方法 |
JPS6252508A (ja) * | 1985-09-02 | 1987-03-07 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバ |
JPS6287907A (ja) * | 1985-10-14 | 1987-04-22 | Sumitomo Electric Ind Ltd | 1.5ミクロン帯用シングルモ−ド光フアイバ |
US4852968A (en) * | 1986-08-08 | 1989-08-01 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical fiber comprising a refractive index trench |
US4877304A (en) * | 1987-09-09 | 1989-10-31 | Corning Incorporated | Few-mode/single-mode fiber |
US4877306A (en) * | 1987-09-30 | 1989-10-31 | Corning Glass Works | Coated optical waveguide fibers |
FR2635876B1 (fr) * | 1988-08-26 | 1992-10-16 | Comp Generale Electricite | Fibre optique monomode protegee contre le detournement d'informations transmises et procede de transmission utilisant cette fibre |
FR2738430B1 (fr) * | 1990-09-21 | 1998-03-13 | Alsthom Cge Alcatel | Procede et dispositif de transmission d'information sur fibre optique avec detection et/ou localisation d'intrusion |
DE4111238A1 (de) * | 1991-04-08 | 1992-10-15 | Hilti Ag | Werkzeug zur zerspanung von werkstoffen |
US5553185A (en) * | 1994-12-27 | 1996-09-03 | Corning Incorporated | Controlled dispersion optical waveguide |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3997241A (en) * | 1973-06-07 | 1976-12-14 | Hitachi, Ltd. | Optical waveguide transmitting light wave energy in single mode |
US4149772A (en) * | 1975-09-22 | 1979-04-17 | Northern Electric Company Limited | Optical fibre having low mode dispersion |
JPS5250246A (en) * | 1975-10-20 | 1977-04-22 | Hitachi Ltd | Light transmitting line |
JPS52106748A (en) * | 1976-02-16 | 1977-09-07 | Nippon Telegr & Teleph Corp <Ntt> | Light transmission channel |
JPS543553A (en) * | 1977-06-10 | 1979-01-11 | Nippon Telegr & Teleph Corp <Ntt> | Optical line |
US4265515A (en) * | 1978-05-08 | 1981-05-05 | International Telephone And Telegraph Corporation | Optical fiber waveguide with effective refractive index profile |
US4229070A (en) * | 1978-07-31 | 1980-10-21 | Corning Glass Works | High bandwidth optical waveguide having B2 O3 free core and method of fabrication |
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 |
-
1982
- 1982-11-02 CA CA000414693A patent/CA1205307A/en not_active Expired
- 1982-11-09 IL IL67211A patent/IL67211A/xx not_active IP Right Cessation
- 1982-11-11 DK DK502282A patent/DK158684C/da active
- 1982-11-17 IN IN1341/CAL/82A patent/IN156700B/en unknown
- 1982-11-18 BR BR8206652A patent/BR8206652A/pt not_active IP Right Cessation
- 1982-11-19 ES ES517508A patent/ES517508A0/es active Granted
- 1982-11-22 KR KR8205262A patent/KR880001339B1/ko active
- 1982-12-01 AU AU91042/82A patent/AU555648B2/en not_active Expired
- 1982-12-03 MX MX195433A patent/MX152385A/es unknown
- 1982-12-03 FI FI824178A patent/FI81684C/fi not_active IP Right Cessation
- 1982-12-06 NO NO824089A patent/NO166151C/no not_active IP Right Cessation
- 1982-12-06 AT AT82306476T patent/ATE46770T1/de not_active IP Right Cessation
- 1982-12-06 JP JP57212843A patent/JPS58104040A/ja active Granted
- 1982-12-06 DE DE8282306476T patent/DE3279964D1/de not_active Expired
- 1982-12-06 EP EP82306476A patent/EP0083843B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0083843A2 (en) | 1983-07-20 |
ES8308641A1 (es) | 1983-10-01 |
FI81684B (fi) | 1990-07-31 |
JPH035721B2 (fi) | 1991-01-28 |
NO166151C (no) | 1991-06-05 |
DE3279964D1 (en) | 1989-11-02 |
FI824178L (fi) | 1983-06-08 |
ATE46770T1 (de) | 1989-10-15 |
MX152385A (es) | 1985-07-09 |
IL67211A (en) | 1986-02-28 |
EP0083843A3 (en) | 1984-01-04 |
JPS58104040A (ja) | 1983-06-21 |
KR840002528A (ko) | 1984-07-02 |
BR8206652A (pt) | 1983-11-01 |
IN156700B (fi) | 1985-10-19 |
DK502282A (da) | 1983-06-08 |
KR880001339B1 (ko) | 1988-07-25 |
DK158684B (da) | 1990-07-02 |
CA1205307A (en) | 1986-06-03 |
NO824089L (no) | 1983-06-08 |
FI81684C (fi) | 1990-11-12 |
IL67211A0 (en) | 1983-03-31 |
ES517508A0 (es) | 1983-10-01 |
AU9104282A (en) | 1983-06-16 |
DK158684C (da) | 1991-02-25 |
NO166151B (no) | 1991-02-25 |
AU555648B2 (en) | 1986-10-02 |
EP0083843B1 (en) | 1989-09-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Patent expired |
Owner name: CORNING GLASS WORKS |