FR2519774B1 - - Google Patents
Info
- Publication number
- FR2519774B1 FR2519774B1 FR8200178A FR8200178A FR2519774B1 FR 2519774 B1 FR2519774 B1 FR 2519774B1 FR 8200178 A FR8200178 A FR 8200178A FR 8200178 A FR8200178 A FR 8200178A FR 2519774 B1 FR2519774 B1 FR 2519774B1
- Authority
- FR
- France
- 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
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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0288—Multimode fibre, e.g. graded index core for compensating modal dispersion
-
- 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
- G02B6/0283—Graded index region external to the central core segment, e.g. sloping layer or triangular or trapezoidal layer
- G02B6/0285—Graded index layer adjacent to the central core segment and ending at the outer cladding index
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Glass Compositions (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8200178A FR2519774A1 (fr) | 1982-01-08 | 1982-01-08 | Fibres optiques a grande bande passante |
| DE8383400033T DE3362970D1 (en) | 1982-01-08 | 1983-01-06 | Multimode optical fibre with a large bandwidth |
| EP19830400033 EP0085585B1 (fr) | 1982-01-08 | 1983-01-06 | Fibre optique multimode à grande bande passante |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8200178A FR2519774A1 (fr) | 1982-01-08 | 1982-01-08 | Fibres optiques a grande bande passante |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2519774A1 FR2519774A1 (fr) | 1983-07-18 |
| FR2519774B1 true FR2519774B1 (US07044429-20060516-C00003.png) | 1984-04-20 |
Family
ID=9269790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8200178A Granted FR2519774A1 (fr) | 1982-01-08 | 1982-01-08 | Fibres optiques a grande bande passante |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0085585B1 (US07044429-20060516-C00003.png) |
| DE (1) | DE3362970D1 (US07044429-20060516-C00003.png) |
| FR (1) | FR2519774A1 (US07044429-20060516-C00003.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4516826A (en) * | 1983-04-21 | 1985-05-14 | At&T Technologies, Inc. | Single mode lightguide fiber having a trapezoidal refractive index profile |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL182310C (nl) * | 1972-11-25 | 1988-02-16 | Sumitomo Electric Industries | Glasvezel voor optische transmissie. |
| CA1029993A (en) * | 1975-09-11 | 1978-04-25 | Frederick D. King | Optical fibre transmission line |
| JPS5385911A (en) * | 1977-01-05 | 1978-07-28 | Kawasaki Heavy Ind Ltd | Method of improving weak stratum |
| JPS543553A (en) * | 1977-06-10 | 1979-01-11 | Nippon Telegr & Teleph Corp <Ntt> | Optical line |
| DE3031147A1 (de) * | 1980-08-18 | 1982-03-18 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von glas mit einem vorbestimmten brechzahlprofil und alkalifreies glas aus einem oxis eines grundstoffes, das mit einem oder mehreren weiteren stoffen dotiert ist |
| FR2496086B1 (fr) * | 1980-12-16 | 1985-07-12 | Quartz & Silice | Guide d'onde optique a coeur dope au fluor |
-
1982
- 1982-01-08 FR FR8200178A patent/FR2519774A1/fr active Granted
-
1983
- 1983-01-06 DE DE8383400033T patent/DE3362970D1/de not_active Expired
- 1983-01-06 EP EP19830400033 patent/EP0085585B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2519774A1 (fr) | 1983-07-18 |
| DE3362970D1 (en) | 1986-05-22 |
| EP0085585A1 (fr) | 1983-08-10 |
| EP0085585B1 (fr) | 1986-04-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |