GB1572526A - Optical fibres - Google Patents
Optical fibres Download PDFInfo
- Publication number
- GB1572526A GB1572526A GB14802/77A GB1480277A GB1572526A GB 1572526 A GB1572526 A GB 1572526A GB 14802/77 A GB14802/77 A GB 14802/77A GB 1480277 A GB1480277 A GB 1480277A GB 1572526 A GB1572526 A GB 1572526A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass
- cladding
- examples
- core
- 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 claims description 11
- 239000011521 glass Substances 0.000 claims description 57
- 238000005253 cladding Methods 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 10
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 150000001340 alkali metals Chemical class 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 15
- 150000001768 cations Chemical class 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 229910052716 thallium Inorganic materials 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- WKMKTIVRRLOHAJ-UHFFFAOYSA-N oxygen(2-);thallium(1+) Chemical compound [O-2].[Tl+].[Tl+] WKMKTIVRRLOHAJ-UHFFFAOYSA-N 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- -1 thallium ion Chemical class 0.000 description 2
- 229910003438 thallium oxide Inorganic materials 0.000 description 2
- HBGPNLPABVUVKZ-POTXQNELSA-N (1r,3as,4s,5ar,5br,7r,7ar,11ar,11br,13as,13br)-4,7-dihydroxy-3a,5a,5b,8,8,11a-hexamethyl-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,10,11,11b,12,13,13a,13b-tetradecahydro-1h-cyclopenta[a]chrysen-9-one Chemical compound C([C@@]12C)CC(=O)C(C)(C)[C@@H]1[C@H](O)C[C@]([C@]1(C)C[C@@H]3O)(C)[C@@H]2CC[C@H]1[C@@H]1[C@]3(C)CC[C@H]1C(=C)C HBGPNLPABVUVKZ-POTXQNELSA-N 0.000 description 1
- PFRGGOIBYLYVKM-UHFFFAOYSA-N 15alpha-hydroxylup-20(29)-en-3-one Natural products CC(=C)C1CCC2(C)CC(O)C3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 PFRGGOIBYLYVKM-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- SOKRNBGSNZXYIO-UHFFFAOYSA-N Resinone Natural products CC(=C)C1CCC2(C)C(O)CC3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 SOKRNBGSNZXYIO-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229940119177 germanium dioxide Drugs 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 239000006123 lithium glass Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 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
- G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
- C03C13/046—Multicomponent glass compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/048—Silica-free oxide glass compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
Landscapes
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7603832A NL7603832A (nl) | 1976-04-12 | 1976-04-12 | Glassamenstellingen. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1572526A true GB1572526A (en) | 1980-07-30 |
Family
ID=19826000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB14802/77A Expired GB1572526A (en) | 1976-04-12 | 1977-04-07 | Optical fibres |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4094689A (enExample) |
| JP (1) | JPS52124013A (enExample) |
| AU (1) | AU512452B2 (enExample) |
| CA (1) | CA1081263A (enExample) |
| DE (1) | DE2714909C2 (enExample) |
| FR (1) | FR2348164A1 (enExample) |
| GB (1) | GB1572526A (enExample) |
| NL (1) | NL7603832A (enExample) |
| SE (1) | SE429547B (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4194807A (en) * | 1976-04-09 | 1980-03-25 | Georg Gliemeroth | Optical fiber wave-guides for signal transmission comprising multiple component glass with an adjusted expansion co-efficient between the core and mantle |
| CA1109083A (en) * | 1977-06-28 | 1981-09-15 | Keith J. Beales | Optical fibres and glasses |
| NL7800157A (nl) * | 1978-01-06 | 1979-07-10 | Philips Nv | Werkwijze voor de vervaardiging van optische fibers voor telecommunicatie. |
| DE3071158D1 (en) * | 1979-04-04 | 1985-11-14 | Post Office | Optical fibre core glass, optical fibres containing such glass and process for the manufacture of such glass |
| JPS5829260B2 (ja) * | 1979-08-02 | 1983-06-21 | 日本電信電話株式会社 | 光通信用光学ガラス |
| US4265667A (en) * | 1980-04-25 | 1981-05-05 | Nippon Sheet Glass Co., Ltd. | Step-type light-transmitting body having excellent water resistance |
| US6510264B2 (en) * | 2000-07-31 | 2003-01-21 | Corning Incorporated | Bulk internal bragg gratings and optical devices |
| US6828262B2 (en) | 2000-07-31 | 2004-12-07 | Corning Incorporated | UV photosensitive melted glasses |
| US6731839B2 (en) | 2000-07-31 | 2004-05-04 | Corning Incorporated | Bulk internal Bragg gratings and optical devices |
| US6632759B2 (en) | 2000-07-31 | 2003-10-14 | Corning Incorporated | UV photosensitive melted germano-silicate glasses |
| EP1322565A4 (en) * | 2000-07-31 | 2005-09-28 | Corning Inc | UV PHOTOSENSITIVE MELTED GERMANIUM SILICATE GLASSES |
| AU2002342664A1 (en) * | 2001-09-10 | 2003-03-24 | Schott Glas | Glass fibre with at least two glass layers |
| US20040057692A1 (en) * | 2002-08-28 | 2004-03-25 | Ball Laura J. | Low loss optical fiber and method for making same |
| US6865328B2 (en) * | 2002-10-11 | 2005-03-08 | Corning Incorporated | Positive dispersion optical fiber |
| US20040198582A1 (en) * | 2003-04-01 | 2004-10-07 | Borrelli Nicholas F. | Optical elements and methods of making optical elements |
| US9593038B2 (en) | 2009-08-03 | 2017-03-14 | Ppg Industries Ohio, Inc. | Glass compositions and fibers made therefrom |
| US9446983B2 (en) | 2009-08-03 | 2016-09-20 | Ppg Industries Ohio, Inc. | Glass compositions and fibers made therefrom |
| US9556059B2 (en) * | 2009-08-03 | 2017-01-31 | Hong Li | Glass compositions and fibers made therefrom |
| JP5995923B2 (ja) | 2014-08-06 | 2016-09-21 | 古河電気工業株式会社 | 光ファイバ母材および光ファイバの製造方法 |
| EP3276384B1 (en) * | 2015-03-25 | 2022-05-11 | Sumitomo Electric Industries, Ltd. | Multicore optical fiber |
| CN112520999B (zh) * | 2020-11-24 | 2022-02-15 | 华南理工大学 | 一种通过选择性挥发纤芯组分制备渐变折射率光纤的方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6601607A (enExample) * | 1966-02-09 | 1967-08-10 | ||
| GB1279464A (en) * | 1968-10-03 | 1972-06-28 | Nippon Selfoc Co Ltd | Production of light conducting glass fibres |
| DE2024912C3 (de) * | 1970-05-22 | 1976-01-02 | Ernst Leitz Gmbh, 6330 Wetzlar | Optisches Glas des Systems SiO tief 2 -B tief 2 0 tief 3 -GeO tief 2 mit negativen anomalen Teildispersionswerten Delta v tief e von -3,0 bis .6,4, Brechzahlen n tief e von 1,6460 bis 1,7330 und Abbe-Zahlen v tief e von 44,8 bis 37,1 |
| US3758284A (en) * | 1970-12-17 | 1973-09-11 | W Haller | Porous material and method of making the same |
| JPS4954077A (enExample) * | 1972-09-26 | 1974-05-25 | ||
| US3884550A (en) * | 1973-01-04 | 1975-05-20 | Corning Glass Works | Germania containing optical waveguide |
| US3859103A (en) * | 1973-03-08 | 1975-01-07 | Nippon Selfoc Co Ltd | Optical glass body having a refractive index gradient |
| US3938974A (en) * | 1973-04-27 | 1976-02-17 | Macedo Pedro B | Method of producing optical wave guide fibers |
| JPS5014661A (enExample) * | 1973-06-15 | 1975-02-15 | ||
| US4011006A (en) * | 1974-09-26 | 1977-03-08 | Bell Telephone Laboratories, Incorporated | GeO2 -B2 O3 -SiO2 Optical glass and lightguides |
-
1976
- 1976-04-12 NL NL7603832A patent/NL7603832A/xx not_active Application Discontinuation
-
1977
- 1977-03-16 US US05/778,014 patent/US4094689A/en not_active Expired - Lifetime
- 1977-03-29 CA CA275,062A patent/CA1081263A/en not_active Expired
- 1977-04-02 DE DE2714909A patent/DE2714909C2/de not_active Expired
- 1977-04-06 SE SE7704049A patent/SE429547B/xx not_active IP Right Cessation
- 1977-04-07 GB GB14802/77A patent/GB1572526A/en not_active Expired
- 1977-04-09 JP JP3999677A patent/JPS52124013A/ja active Granted
- 1977-04-12 FR FR7710912A patent/FR2348164A1/fr active Granted
- 1977-04-12 AU AU24178/77A patent/AU512452B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2714909A1 (de) | 1977-10-20 |
| CA1081263A (en) | 1980-07-08 |
| SE429547B (sv) | 1983-09-12 |
| AU512452B2 (en) | 1980-10-09 |
| JPS5613661B2 (enExample) | 1981-03-30 |
| AU2417877A (en) | 1978-10-19 |
| US4094689A (en) | 1978-06-13 |
| NL7603832A (nl) | 1977-10-14 |
| JPS52124013A (en) | 1977-10-18 |
| FR2348164A1 (fr) | 1977-11-10 |
| SE7704049L (sv) | 1977-10-13 |
| FR2348164B1 (enExample) | 1982-05-21 |
| DE2714909C2 (de) | 1982-05-27 |
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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 |