FR2519774A1 - Fibres optiques a grande bande passante - Google Patents
Fibres optiques a grande bande passante Download PDFInfo
- Publication number
- FR2519774A1 FR2519774A1 FR8200178A FR8200178A FR2519774A1 FR 2519774 A1 FR2519774 A1 FR 2519774A1 FR 8200178 A FR8200178 A FR 8200178A FR 8200178 A FR8200178 A FR 8200178A FR 2519774 A1 FR2519774 A1 FR 2519774A1
- Authority
- FR
- France
- Prior art keywords
- sheath
- refractive index
- index
- optical fibers
- radius
- 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 abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 abstract description 30
- 239000006185 dispersion Substances 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000007704 transition Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 239000010410 layer Substances 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 229910018503 SF6 Inorganic materials 0.000 description 4
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 4
- 229960000909 sulfur hexafluoride Drugs 0.000 description 4
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000005049 silicon tetrachloride Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- JDXFWPNOKMPSEM-UHFFFAOYSA-N [Si].ClOCl Chemical compound [Si].ClOCl JDXFWPNOKMPSEM-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 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
- G02B6/028—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 |
| EP19830400033 EP0085585B1 (fr) | 1982-01-08 | 1983-01-06 | Fibre optique multimode à grande bande passante |
| DE8383400033T DE3362970D1 (en) | 1982-01-08 | 1983-01-06 | Multimode optical fibre with a large bandwidth |
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 true FR2519774A1 (fr) | 1983-07-18 |
| FR2519774B1 FR2519774B1 (enExample) | 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 (enExample) |
| DE (1) | DE3362970D1 (enExample) |
| FR (1) | FR2519774A1 (enExample) |
Cited By (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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5385911A (en) * | 1977-01-05 | 1978-07-28 | Kawasaki Heavy Ind Ltd | Method of improving weak stratum |
| FR2394100A1 (fr) * | 1977-06-10 | 1979-01-05 | Nippon Telegraph & Telephone | Fibre optique a gradient d'indice |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1456371A (en) * | 1972-11-25 | 1976-11-24 | Sumitomo Electric Industries | Optical transmission fibre |
| CA1029993A (en) * | 1975-09-11 | 1978-04-25 | Frederick D. King | Optical fibre transmission 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
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5385911A (en) * | 1977-01-05 | 1978-07-28 | Kawasaki Heavy Ind Ltd | Method of improving weak stratum |
| FR2394100A1 (fr) * | 1977-06-10 | 1979-01-05 | Nippon Telegraph & Telephone | Fibre optique a gradient d'indice |
Non-Patent Citations (1)
| Title |
|---|
| ABJP/80 * |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0085585B1 (fr) | 1986-04-16 |
| EP0085585A1 (fr) | 1983-08-10 |
| DE3362970D1 (en) | 1986-05-22 |
| FR2519774B1 (enExample) | 1984-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |