DE2440121A1 - Verfahren zur herstellung von optischen fasern - Google Patents
Verfahren zur herstellung von optischen fasernInfo
- Publication number
- DE2440121A1 DE2440121A1 DE2440121A DE2440121A DE2440121A1 DE 2440121 A1 DE2440121 A1 DE 2440121A1 DE 2440121 A DE2440121 A DE 2440121A DE 2440121 A DE2440121 A DE 2440121A DE 2440121 A1 DE2440121 A1 DE 2440121A1
- Authority
- DE
- Germany
- Prior art keywords
- glass
- low
- core
- viscosity
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims abstract description 91
- 239000003365 glass fiber Substances 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000005385 borate glass Substances 0.000 claims abstract description 4
- 239000013307 optical fiber Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000000835 fiber Substances 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005253 cladding Methods 0.000 description 15
- 230000003287 optical effect Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect 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
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
- C03B37/02754—Solid fibres drawn from hollow preforms
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/08—Sub-atmospheric pressure applied, e.g. vacuum
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/12—Drawing solid optical fibre directly from a hollow preform
- C03B2205/14—Drawing solid optical fibre directly from a hollow preform comprising collapse of an outer tube onto an inner central solid preform rod
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/12—Drawing solid optical fibre directly from a hollow preform
- C03B2205/16—Drawing solid optical fibre directly from a hollow preform the drawn fibre consisting of circularly symmetric core and clad
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9418173A JPS5323166B2 (enrdf_load_stackoverflow) | 1973-08-22 | 1973-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2440121A1 true DE2440121A1 (de) | 1975-03-27 |
Family
ID=14103143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2440121A Pending DE2440121A1 (de) | 1973-08-22 | 1974-08-21 | Verfahren zur herstellung von optischen fasern |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5323166B2 (enrdf_load_stackoverflow) |
| DE (1) | DE2440121A1 (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2510545A1 (fr) * | 1980-08-28 | 1983-02-04 | Dainichi Nippon Cables Ltd | Procede de preparation d'une fibre optique multiple |
| US4372767A (en) * | 1981-10-19 | 1983-02-08 | Eotec Corporation | Method of manufacturing optical fibers |
| EP0082517A1 (en) * | 1981-12-22 | 1983-06-29 | CSELT Centro Studi e Laboratori Telecomunicazioni S.p.A. | Apparatus and process for the fabrication of optical fibres |
| FR2571714A1 (fr) * | 1984-10-15 | 1986-04-18 | Comp Generale Electricite | Dispositif pour realiser une fibre optique apte a conduire un rayonnement infrarouge |
| EP2689710A4 (en) * | 2011-12-19 | 2015-04-29 | Olympus Corp | METHOD FOR PRODUCING GLASS FIBERS, FIBER AND ENDOSCOPE |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5313932A (en) * | 1976-07-26 | 1978-02-08 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of optical fiber material |
| JPS5742294U (enrdf_load_stackoverflow) * | 1980-08-22 | 1982-03-08 | ||
| JPH01150728A (ja) * | 1987-12-07 | 1989-06-13 | Daikin Ind Ltd | 空気調和装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3253896A (en) * | 1960-02-02 | 1966-05-31 | American Optical Corp | Method of making glass clad energyconducting fibers |
-
1973
- 1973-08-22 JP JP9418173A patent/JPS5323166B2/ja not_active Expired
-
1974
- 1974-08-21 DE DE2440121A patent/DE2440121A1/de active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2510545A1 (fr) * | 1980-08-28 | 1983-02-04 | Dainichi Nippon Cables Ltd | Procede de preparation d'une fibre optique multiple |
| US4372767A (en) * | 1981-10-19 | 1983-02-08 | Eotec Corporation | Method of manufacturing optical fibers |
| EP0082517A1 (en) * | 1981-12-22 | 1983-06-29 | CSELT Centro Studi e Laboratori Telecomunicazioni S.p.A. | Apparatus and process for the fabrication of optical fibres |
| FR2571714A1 (fr) * | 1984-10-15 | 1986-04-18 | Comp Generale Electricite | Dispositif pour realiser une fibre optique apte a conduire un rayonnement infrarouge |
| EP2689710A4 (en) * | 2011-12-19 | 2015-04-29 | Olympus Corp | METHOD FOR PRODUCING GLASS FIBERS, FIBER AND ENDOSCOPE |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5323166B2 (enrdf_load_stackoverflow) | 1978-07-13 |
| JPS5044841A (enrdf_load_stackoverflow) | 1975-04-22 |
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