DE2122895A1 - Verfahren zur Herstellung optischer Fasern - Google Patents
Verfahren zur Herstellung optischer FasernInfo
- Publication number
- DE2122895A1 DE2122895A1 DE19712122895 DE2122895A DE2122895A1 DE 2122895 A1 DE2122895 A1 DE 2122895A1 DE 19712122895 DE19712122895 DE 19712122895 DE 2122895 A DE2122895 A DE 2122895A DE 2122895 A1 DE2122895 A1 DE 2122895A1
- Authority
- DE
- Germany
- Prior art keywords
- glass
- core
- fiber
- film
- tube
- 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
- 238000000034 method Methods 0.000 title claims description 15
- 239000013307 optical fiber Substances 0.000 title claims description 11
- 239000011521 glass Substances 0.000 claims description 49
- 239000000835 fiber Substances 0.000 claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 238000005253 cladding Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000004071 soot Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 238000004544 sputter deposition Methods 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 229910052758 niobium Inorganic materials 0.000 claims 1
- 239000010955 niobium Substances 0.000 claims 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims 1
- 229910052715 tantalum Inorganic materials 0.000 claims 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims 1
- 229910052718 tin Inorganic materials 0.000 claims 1
- 238000007740 vapor deposition Methods 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- 239000011162 core material Substances 0.000 description 43
- 239000010408 film Substances 0.000 description 8
- 238000000149 argon plasma sintering Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000007524 flame polishing Methods 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/01—Other methods of shaping glass by progressive fusion or sintering of powdered glass onto a shaping substrate, i.e. accretion, e.g. plasma oxidation deposition
-
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
-
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
-
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
- C03B37/01869—Collapsing
-
- 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
-
- 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/32—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with aluminium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
- C03B2201/42—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn doped with titanium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
- C03B2203/24—Single mode [SM or monomode]
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S501/00—Compositions: ceramic
- Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
Description
sung des Bands von 10 - 10 Hertz gearbeitet wird. Ein
BAD ORIGINAL
etwa 10 , während bei grösserem Kerndurchmesser, z. B. 1 mm, die Differenz noch kleiner sein muss, nämlich ca. 10 . Derart kleine Brechungsunterschiede sind ebenfalls kaum erreichbar.
Claims (1)
- Pat ent ansprächeslj Verfahren zur Herstellung optischer Fasern mit einem Mantel und einem Kern unterschiedlicher Brechung, dadurch gekennzeichnet, dass auf der Innenfläche eines Glasrohrs ein "Film aus Kernglasmaterial mit einem von dem Glasrohr verschiedenen Brechungsindex aufgebracht, das Rohr auf eine zum Ausziehen geeignete Temperatur erhitzt und sodann soweit ausgezogen wird, dass Tinter Verkleinerung des Querschnitts der Kernglasfilm zusammenfällt und eine Faser mit festem Querschnitt entsteht.2. Verfahren gemäss Anspruch 1, dadurch gekennzeichnet, dass zur Aufbringung des Kernglasfilms zunächst eine Schicht aus Dotiermaterial oder Glas und Dotiermaterial auf die Glasrohrinnenfläche aufgebracht und wenigstens teilweise in diese diffundiert wird.3. Verfahren gemäss Anspruch 2, dadurch gekennzeichnet, dass das Dotiermaterial aus einem oder mehreren der Oxide von Titan, Tantal, Zinn, Niobium, Zirkon oder Aluminium besteht.109848/176*4·. Verfahren gemäss Anspruch ^, dadurch ^kennzeichnet, riars das Mantelrohr aus Kieselsäureglas und das Kernprlas ebenfalls aus Kieselsäureglas mit einem Dotierzusatz besieht.5. Verfahren gemäss Anspruch 1, 2,-3 oder 4, dadurch gekennzeichnet, dass der Kernglasfilm bzw. die Materialschicht durch Flammhydrolyse unter Niederschlagung eines G-lasrussfilms und anschliessendes Sintern tinter Erhitzen vor oder" während dem Ausziehen aufgebracht wird.6. Verfahren gemäss Anspruch 1, 2, 3 oder 4-, dadurch gekennzeichnet, dass der Kernglasfilm bzw. die Material^chicht durch Sputtering, Dampfniederschlagung oder als Glasfritte aufgebracht wird.7. Verfahren gemäss irgend einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Faser in einer Sauerstoff-} atmosphäre ausgezogen und/oder gegebenenfalls die ausgezogene Faser mit festem Querschnitt in Sauerstoff nachbehandelt wird.8. Verfahren gemäss irgend einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Brechungsindex des Mantels niedriger als der des Kernglases ist.109-848/1764Q. Verfahren r-emäs? irgend einem de τ* τΌΓ-heT-ecehenden Ansprüche, dadurch gekennzeichnet, dass das Verhältnis des GesamtDurchmessers der Faser zu dem Durchmesser A es Herns 10:1 bis ?~0:l betragt."1O. ""'er^ah^eij. t.o,aäss irgend/einem der vorxiergehe^den Ansprüche, dadurch Pi^^ennzelchnet, dass das zur Verwendung gelangende Glasrohr in der Weise vorbehandelt wird, dass die Bohrungrflache des aus einem festen G-lasstab gebohrten Rohrs zunächst mechanisch und dann flammenpoliert wird.11. Nach irgend einem der vorhergehenden Ansprüche hergestellte optische Faser, gekennzeichnet durch die Verwendung als Wellenleiter.109848/1764
SAD ORlOINALι A ·♦Leerseite
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3626770A | 1970-05-11 | 1970-05-11 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2122895A1 true DE2122895A1 (de) | 1971-11-25 |
DE2122895B2 DE2122895B2 (de) | 1977-03-17 |
DE2122895C3 DE2122895C3 (de) | 1982-04-29 |
Family
ID=21887636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2122895A Expired DE2122895C3 (de) | 1970-05-11 | 1971-05-08 | Verfahren zur Herstellung optischer Wellenleiter |
Country Status (8)
Country | Link |
---|---|
US (1) | US3711262A (de) |
JP (1) | JPS5123185B1 (de) |
BE (1) | BE766973A (de) |
CA (1) | CA922109A (de) |
DE (1) | DE2122895C3 (de) |
FR (1) | FR2088486B1 (de) |
GB (1) | GB1322993A (de) |
NL (1) | NL164014B (de) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2300013A1 (de) * | 1972-01-03 | 1973-07-26 | Corning Glass Works | Verfahren zur herstellung optischer fasern |
DE2313202A1 (de) | 1972-03-30 | 1973-10-11 | Corning Glass Works | Planebene, optische wellenleiter |
DE2328930A1 (de) * | 1972-06-08 | 1974-01-03 | Int Standard Electric Corp | Innenbeschichtetes glasrohr und verfahren zur herstellung der beschichtung |
DE2351354A1 (de) * | 1972-10-13 | 1974-05-02 | Sumitomo Electric Industries | Verfahren zur herstellung eines lichtleiters |
DE2362341A1 (de) * | 1972-12-14 | 1974-07-04 | Sumitomo Electric Industries | Lichtleitfaser und verfahren zu ihrer herstellung |
DE2364782A1 (de) * | 1973-01-04 | 1974-07-11 | Corning Glass Works | Optischer wellenleiter |
DE2364803A1 (de) * | 1973-01-04 | 1974-07-11 | Corning Glass Works | Durch flammhydrolyse hergestellte glaeser und verfahren zu ihrer herstellung |
DE2434717A1 (de) * | 1973-08-21 | 1975-03-06 | Int Standard Electric Corp | Verfahren zur herstellung optischer fasern und deren vorstufen |
DE2402270A1 (de) * | 1974-01-18 | 1975-07-31 | Licentia Gmbh | Verfahren zur innenbeschichtung eines quarzrohrs und vorrichtung zur durchfuehrung des verfahrens |
DE2524335A1 (de) * | 1974-05-31 | 1975-12-11 | Nat Res Dev | Optische wellenleiter |
DE1909433B2 (de) | 1968-02-26 | 1979-02-01 | Corning Glass Works, Corning, N.Y. (V.St.A.) | Verfahren zur Herstellung einer·*1™*11 optischen Glasfaser hoher Uchtdurchlässigkeit, bestehend im wesentlichen aus SUizidioxid und Titanoxid |
FR2453115A1 (fr) * | 1979-03-31 | 1980-10-31 | Licentia Gmbh | Procede pour la production de fibres optiques |
DE3047589A1 (de) * | 1979-12-17 | 1981-09-17 | Nippon Telegraph & Telephone Public Corp., Tokyo | Lichtwellenleiter fuer optische schaltkreise und verfahren zu dessen herstellung |
Families Citing this family (88)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2203140C3 (de) * | 1972-01-24 | 1974-06-12 | Jenaer Glaswerk Schott & Gen., 6500 Mainz | Lichtleitfaser aus Quarzglas |
US3868170A (en) * | 1972-03-30 | 1975-02-25 | Corning Glass Works | Method of removing entrapped gas and/or residual water from glass |
US3785722A (en) * | 1972-06-20 | 1974-01-15 | Corning Glass Works | USE OF SiO{11 -NB{11 O{11 {11 AND/OR Ta{11 O{11 {11 GLASSES AS ULTRAVIOLET FILTERS |
US3806224A (en) * | 1972-10-06 | 1974-04-23 | Bell Telephone Labor Inc | Optical transmission line |
JPS5013056A (de) * | 1973-06-04 | 1975-02-10 | ||
US4504299A (en) * | 1974-02-22 | 1985-03-12 | At&T Bell Laboratories | Optical fiber fabrication method |
US4909816A (en) * | 1974-02-22 | 1990-03-20 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical fiber fabrication and resulting product |
US4217027A (en) * | 1974-02-22 | 1980-08-12 | Bell Telephone Laboratories, Incorporated | Optical fiber fabrication and resulting product |
US3887262A (en) * | 1974-04-05 | 1975-06-03 | Environmental Res & Tech | Light equalizer and method of making same |
US3932162A (en) * | 1974-06-21 | 1976-01-13 | Corning Glass Works | Method of making glass optical waveguide |
DE2434380A1 (de) * | 1974-07-17 | 1976-01-29 | Siemens Ag | Verfahren zum ziehen von lichtleitfasern |
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Cited By (14)
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DE1909433B2 (de) | 1968-02-26 | 1979-02-01 | Corning Glass Works, Corning, N.Y. (V.St.A.) | Verfahren zur Herstellung einer·*1™*11 optischen Glasfaser hoher Uchtdurchlässigkeit, bestehend im wesentlichen aus SUizidioxid und Titanoxid |
DE1967211C2 (de) * | 1968-02-26 | 1984-10-11 | Corning Glass Works, Corning, N.Y. | Optische Glasfaser |
DE2300013A1 (de) * | 1972-01-03 | 1973-07-26 | Corning Glass Works | Verfahren zur herstellung optischer fasern |
DE2313202A1 (de) | 1972-03-30 | 1973-10-11 | Corning Glass Works | Planebene, optische wellenleiter |
DE2328930A1 (de) * | 1972-06-08 | 1974-01-03 | Int Standard Electric Corp | Innenbeschichtetes glasrohr und verfahren zur herstellung der beschichtung |
DE2351354A1 (de) * | 1972-10-13 | 1974-05-02 | Sumitomo Electric Industries | Verfahren zur herstellung eines lichtleiters |
DE2362341A1 (de) * | 1972-12-14 | 1974-07-04 | Sumitomo Electric Industries | Lichtleitfaser und verfahren zu ihrer herstellung |
DE2364803A1 (de) * | 1973-01-04 | 1974-07-11 | Corning Glass Works | Durch flammhydrolyse hergestellte glaeser und verfahren zu ihrer herstellung |
DE2364782A1 (de) * | 1973-01-04 | 1974-07-11 | Corning Glass Works | Optischer wellenleiter |
DE2434717A1 (de) * | 1973-08-21 | 1975-03-06 | Int Standard Electric Corp | Verfahren zur herstellung optischer fasern und deren vorstufen |
DE2402270A1 (de) * | 1974-01-18 | 1975-07-31 | Licentia Gmbh | Verfahren zur innenbeschichtung eines quarzrohrs und vorrichtung zur durchfuehrung des verfahrens |
DE2524335A1 (de) * | 1974-05-31 | 1975-12-11 | Nat Res Dev | Optische wellenleiter |
FR2453115A1 (fr) * | 1979-03-31 | 1980-10-31 | Licentia Gmbh | Procede pour la production de fibres optiques |
DE3047589A1 (de) * | 1979-12-17 | 1981-09-17 | Nippon Telegraph & Telephone Public Corp., Tokyo | Lichtwellenleiter fuer optische schaltkreise und verfahren zu dessen herstellung |
Also Published As
Publication number | Publication date |
---|---|
NL7106382A (de) | 1971-11-15 |
JPS5123185B1 (de) | 1976-07-15 |
GB1322993A (en) | 1973-07-11 |
NL164014B (nl) | 1980-06-16 |
DE2122895B2 (de) | 1977-03-17 |
CA922109A (en) | 1973-03-06 |
FR2088486B1 (de) | 1976-03-19 |
US3711262A (en) | 1973-01-16 |
DE2122895C3 (de) | 1982-04-29 |
FR2088486A1 (de) | 1972-01-07 |
BE766973A (fr) | 1971-11-10 |
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