GB1580913A - Optical fibres - Google Patents
Optical fibres Download PDFInfo
- Publication number
- GB1580913A GB1580913A GB31247/77A GB3124777A GB1580913A GB 1580913 A GB1580913 A GB 1580913A GB 31247/77 A GB31247/77 A GB 31247/77A GB 3124777 A GB3124777 A GB 3124777A GB 1580913 A GB1580913 A GB 1580913A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fiber
- index
- layer
- layers
- refractive index
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 title 1
- 239000000835 fiber Substances 0.000 claims description 44
- 239000013307 optical fiber Substances 0.000 claims description 16
- 230000007423 decrease Effects 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 230000000737 periodic effect Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 40
- 239000006185 dispersion Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000012792 core layer Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000002019 doping agent 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
- 239000011521 glass Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 et cetera Chemical compound 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004071 soot Substances 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
- G02B6/02285—Characterised by the polarisation mode dispersion [PMD] properties, e.g. for minimising PMD
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/710,137 US4053205A (en) | 1976-07-30 | 1976-07-30 | Optical fiber having reduced dispersion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1580913A true GB1580913A (en) | 1980-12-10 |
Family
ID=24852780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31247/77A Expired GB1580913A (en) | 1976-07-30 | 1977-07-26 | Optical fibres |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4053205A (enExample) |
| JP (1) | JPS5317350A (enExample) |
| DE (1) | DE2733872B2 (enExample) |
| GB (1) | GB1580913A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2136239A (en) * | 1983-03-03 | 1984-09-12 | British Telecomm | Optical fibre transmission systems |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4179187A (en) * | 1977-08-12 | 1979-12-18 | Corning Glass Works | Multiple mode waveguide having cylindrical perturbations |
| US4258978A (en) * | 1978-12-05 | 1981-03-31 | American Optical Corporation | Image reversing array utilizing gradient refractive index elements |
| US4260221A (en) * | 1979-03-16 | 1981-04-07 | Bell Telephone Laboratories, Incorporated | Multimode fiber with z-dependent index profile |
| US4212660A (en) * | 1979-03-22 | 1980-07-15 | Corning Glass Works | Method for making multiple mode waveguide having cylindrical perturbations |
| US4363533A (en) * | 1979-12-26 | 1982-12-14 | Gould Inc. | Concentric fiber optical transducer |
| US4578096A (en) * | 1980-08-13 | 1986-03-25 | Warner-Lambert Technologies, Inc. | Gradient index optical components |
| US4473273A (en) * | 1981-09-04 | 1984-09-25 | Trw Inc. | High bandwidth fiber and method of forming the same by preform rotation during drawing |
| FR2524745B1 (fr) * | 1982-04-02 | 1986-07-11 | Pollard Jean | Procede et dispositif pour la visualisation d'une image electro-optique |
| US4606605A (en) * | 1984-06-29 | 1986-08-19 | At&T Bell Laboratories | Optical fiber having in-line polarization filter |
| JPS62241608A (ja) * | 1986-04-09 | 1987-10-22 | Goushiyuu Tanzou Kogyosho:Kk | 鋼材等の切断方法及びその装置 |
| US4871487A (en) * | 1987-01-16 | 1989-10-03 | The Dow Chemical Company | Method of making a polymeric optical waveguide by coextrusion |
| US4806289A (en) * | 1987-01-16 | 1989-02-21 | The Dow Chemical Company | Method of making a hollow light pipe |
| US5303318A (en) * | 1991-11-01 | 1994-04-12 | Nippon Telegraph & Telephone Corporation | High power acceptable optical fiber and fabrication method thereof |
| US5557701A (en) * | 1993-12-02 | 1996-09-17 | Ceramoptec Industries, Inc. | Power laser delivery fiber system with enhanced damage threshold |
| EP0862069B1 (en) * | 1997-02-26 | 2007-04-11 | Nippon Telegraph And Telephone Corporation | Optical fiber |
| US6807350B2 (en) * | 2001-07-17 | 2004-10-19 | Verrillon, Inc. | Optical fiber with a radially varying index of refraction and related methods |
| ITRM20040544A1 (it) * | 2004-11-04 | 2005-02-04 | St Microelectronics Srl | Guida d'onda ottica integrata e processo per la sua fabbricazione. |
| US20140153864A1 (en) * | 2012-12-04 | 2014-06-05 | Ninepoint Medical, Inc. | Low cost extended depth of field optical probes |
| US9711930B2 (en) | 2015-12-01 | 2017-07-18 | Seagate Technology Llc | Optical signal waveguide dispersion filter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1269103A (en) * | 1968-11-16 | 1972-04-06 | Nippon Selfoc Company Ltd | A converging solid-state laser element |
| US3916182A (en) * | 1972-08-21 | 1975-10-28 | Western Electric Co | Periodic dielectric waveguide filter |
| JPS5017850A (enExample) * | 1973-06-15 | 1975-02-25 | ||
| US3909110A (en) * | 1974-11-11 | 1975-09-30 | Bell Telephone Labor Inc | Reduction of dispersion in a multimode fiber waveguide with core index fluctuations |
| GB1448080A (en) * | 1975-04-10 | 1976-09-02 | Standard Telephones Cables Ltd | Optical fibre transducer |
-
1976
- 1976-07-30 US US05/710,137 patent/US4053205A/en not_active Expired - Lifetime
-
1977
- 1977-07-26 GB GB31247/77A patent/GB1580913A/en not_active Expired
- 1977-07-27 JP JP8935977A patent/JPS5317350A/ja active Granted
- 1977-07-27 DE DE2733872A patent/DE2733872B2/de not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2136239A (en) * | 1983-03-03 | 1984-09-12 | British Telecomm | Optical fibre transmission systems |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2733872B2 (de) | 1980-10-30 |
| JPS5317350A (en) | 1978-02-17 |
| US4053205A (en) | 1977-10-11 |
| DE2733872A1 (de) | 1978-02-02 |
| JPS5649329B2 (enExample) | 1981-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |