DE69215901T2 - Verfahren zum Herstellen einer Glasvorform für optische Fasern - Google Patents
Verfahren zum Herstellen einer Glasvorform für optische FasernInfo
- Publication number
- DE69215901T2 DE69215901T2 DE69215901T DE69215901T DE69215901T2 DE 69215901 T2 DE69215901 T2 DE 69215901T2 DE 69215901 T DE69215901 T DE 69215901T DE 69215901 T DE69215901 T DE 69215901T DE 69215901 T2 DE69215901 T2 DE 69215901T2
- Authority
- DE
- Germany
- Prior art keywords
- glass
- alkoxide
- sol
- glass tube
- chloride
- 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 - Fee Related
Links
- 239000011521 glass Substances 0.000 title claims description 57
- 238000000034 method Methods 0.000 title claims description 23
- 239000013307 optical fiber Substances 0.000 title claims description 17
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 23
- 239000011248 coating agent Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 150000004703 alkoxides Chemical class 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 238000005253 cladding Methods 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 9
- 239000000460 chlorine Substances 0.000 claims description 9
- 229910052801 chlorine Inorganic materials 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 150000002736 metal compounds Chemical class 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000002019 doping agent Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052732 germanium Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 claims description 4
- IEXRMSFAVATTJX-UHFFFAOYSA-N tetrachlorogermane Chemical compound Cl[Ge](Cl)(Cl)Cl IEXRMSFAVATTJX-UHFFFAOYSA-N 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- -1 silicon alkoxide Chemical class 0.000 claims 5
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims 2
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 claims 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims 1
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 claims 1
- 239000000243 solution Substances 0.000 description 25
- 239000011162 core material Substances 0.000 description 17
- 238000003980 solgel method Methods 0.000 description 9
- 239000004071 soot Substances 0.000 description 8
- 239000010453 quartz Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 4
- 229910052691 Erbium Inorganic materials 0.000 description 3
- 229910006113 GeCl4 Inorganic materials 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- 229910003910 SiCl4 Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 3
- 238000004017 vitrification Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000012792 core layer Substances 0.000 description 2
- 238000003618 dip coating Methods 0.000 description 2
- 238000004453 electron probe microanalysis Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- FIPWRIJSWJWJAI-UHFFFAOYSA-N Butyl carbitol 6-propylpiperonyl ether Chemical compound C1=C(CCC)C(COCCOCCOCCCC)=CC2=C1OCO2 FIPWRIJSWJWJAI-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- JPUHCPXFQIXLMW-UHFFFAOYSA-N aluminium triethoxide Chemical compound CCO[Al](OCC)OCC JPUHCPXFQIXLMW-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- HDGGAKOVUDZYES-UHFFFAOYSA-K erbium(iii) chloride Chemical compound Cl[Er](Cl)Cl HDGGAKOVUDZYES-UHFFFAOYSA-K 0.000 description 1
- HHFAWKCIHAUFRX-UHFFFAOYSA-N ethoxide Chemical compound CC[O-] HHFAWKCIHAUFRX-UHFFFAOYSA-N 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- CRNJBCMSTRNIOX-UHFFFAOYSA-N methanolate silicon(4+) Chemical compound [Si+4].[O-]C.[O-]C.[O-]C.[O-]C CRNJBCMSTRNIOX-UHFFFAOYSA-N 0.000 description 1
- NBTOZLQBSIZIKS-UHFFFAOYSA-N methoxide Chemical compound [O-]C NBTOZLQBSIZIKS-UHFFFAOYSA-N 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- ATINCSYRHURBSP-UHFFFAOYSA-K neodymium(iii) chloride Chemical compound Cl[Nd](Cl)Cl ATINCSYRHURBSP-UHFFFAOYSA-K 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229960005235 piperonyl butoxide Drugs 0.000 description 1
- IKNCGYCHMGNBCP-UHFFFAOYSA-N propan-1-olate Chemical compound CCC[O-] IKNCGYCHMGNBCP-UHFFFAOYSA-N 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000012808 vapor phase Substances 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
- C03B37/10—Non-chemical treatment
- C03B37/12—Non-chemical treatment of fibres or filaments during winding up
-
- 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
- C03B37/012—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
- C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
-
- 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
- C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
- C03B37/01838—Reactant delivery systems, e.g. reactant deposition burners for delivering and depositing additional reactants as liquids or solutions, e.g. for solution doping of the deposited glass
-
- 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
-
- 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
- C03B2201/34—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
-
- 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
- C03B2201/34—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
- C03B2201/36—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers doped with rare earth metals and aluminium, e.g. Er-Al co-doped
-
- 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
- Y10S65/00—Glass manufacturing
- Y10S65/901—Liquid phase reaction process
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- Glass Compositions (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3151751A JPH054832A (ja) | 1991-06-24 | 1991-06-24 | 光フアイバ母材の製造方法 |
| JP3151752A JPH05105467A (ja) | 1991-06-24 | 1991-06-24 | 光フアイバ母材の製造方法 |
| JP3227182A JPH0558664A (ja) | 1991-09-06 | 1991-09-06 | 光フアイバ母材の製造方法 |
| JP3264876A JPH05105466A (ja) | 1991-10-14 | 1991-10-14 | 光フアイバ母材の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69215901D1 DE69215901D1 (de) | 1997-01-23 |
| DE69215901T2 true DE69215901T2 (de) | 1997-05-07 |
Family
ID=27473104
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69215901T Expired - Fee Related DE69215901T2 (de) | 1991-06-24 | 1992-06-24 | Verfahren zum Herstellen einer Glasvorform für optische Fasern |
| DE69219677T Expired - Lifetime DE69219677D1 (de) | 1991-06-24 | 1992-06-24 | Verfahren zum Herstellen einer Glasvorform für optische Faser |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69219677T Expired - Lifetime DE69219677D1 (de) | 1991-06-24 | 1992-06-24 | Verfahren zum Herstellen einer Glasvorform für optische Faser |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5314518A (cg-RX-API-DMAC7.html) |
| EP (2) | EP0626352B1 (cg-RX-API-DMAC7.html) |
| KR (1) | KR950004059B1 (cg-RX-API-DMAC7.html) |
| AU (1) | AU649845B2 (cg-RX-API-DMAC7.html) |
| DE (2) | DE69215901T2 (cg-RX-API-DMAC7.html) |
| TW (1) | TW260654B (cg-RX-API-DMAC7.html) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2766420B2 (ja) * | 1992-04-07 | 1998-06-18 | 株式会社フジクラ | エルビウム添加石英の製造方法 |
| JPH0713036A (ja) * | 1993-06-15 | 1995-01-17 | Hitachi Cable Ltd | ピッグテールファイバ付光デバイス及びその製造方法 |
| KR0167132B1 (ko) * | 1996-03-30 | 1999-01-15 | 윤종용 | 어븀 첨가 광섬유의 제조 방법 및 장치 |
| KR0184481B1 (ko) | 1996-06-10 | 1999-05-15 | 김광호 | 광섬유 제조장치의 고생산성 광섬유 인출장치 및 그 인출방법 |
| FR2782807A1 (fr) * | 1998-08-27 | 2000-03-03 | Alsthom Cge Alcatel | Fibre optique a usage d'amplificateur optique avec une gaine dopee au fluor |
| JP4079204B2 (ja) * | 1998-11-09 | 2008-04-23 | 信越石英株式会社 | 光ファイバ母材用石英ガラス管及びその製造方法 |
| US6578387B2 (en) * | 1999-04-09 | 2003-06-17 | Fitel Usa Corp. | Method of fabrication of rare earth doped preforms for optical fibers |
| US6360564B1 (en) | 2000-01-20 | 2002-03-26 | Corning Incorporated | Sol-gel method of preparing powder for use in forming glass |
| US7058245B2 (en) * | 2000-04-04 | 2006-06-06 | Waveguide Solutions, Inc. | Integrated optical circuits |
| KR100346220B1 (ko) * | 2000-09-05 | 2002-08-01 | 삼성전자 주식회사 | 광도파로 제조용 동축류 확산 화염 버너 장치 |
| US6966201B2 (en) * | 2002-08-16 | 2005-11-22 | Furukawa Electric North America, Inc. | High-temperature sintering of soot bodies doped using molecular stuffing |
| US8328710B2 (en) * | 2002-11-06 | 2012-12-11 | Senorx, Inc. | Temporary catheter for biopsy site tissue fixation |
| US6923754B2 (en) * | 2002-11-06 | 2005-08-02 | Senorx, Inc. | Vacuum device and method for treating tissue adjacent a body cavity |
| US20040226319A1 (en) * | 2003-05-15 | 2004-11-18 | Macchesney John Burnette | Chemical powder deposition method for the manufacture of optical fiber preforms and optical fibers |
| KR20050072214A (ko) | 2004-01-06 | 2005-07-11 | 삼성전자주식회사 | 신규한 퍼플루오르 알킬 비닐에테르 화합물, 상기화합물을 이용한 공중합체 제조방법 및 상기 중합체를포함한 광학용 플라스틱 소재 |
| JP2005298271A (ja) * | 2004-04-12 | 2005-10-27 | Sumitomo Electric Ind Ltd | 光ファイバの製造方法及び光ファイバ |
| US7662082B2 (en) | 2004-11-05 | 2010-02-16 | Theragenics Corporation | Expandable brachytherapy device |
| US7465268B2 (en) | 2005-11-18 | 2008-12-16 | Senorx, Inc. | Methods for asymmetrical irradiation of a body cavity |
| US8273006B2 (en) * | 2005-11-18 | 2012-09-25 | Senorx, Inc. | Tissue irradiation |
| US7413539B2 (en) * | 2005-11-18 | 2008-08-19 | Senorx, Inc. | Treatment of a body cavity |
| US8287442B2 (en) * | 2007-03-12 | 2012-10-16 | Senorx, Inc. | Radiation catheter with multilayered balloon |
| US8740873B2 (en) * | 2007-03-15 | 2014-06-03 | Hologic, Inc. | Soft body catheter with low friction lumen |
| US20080228023A1 (en) * | 2007-03-15 | 2008-09-18 | Senorx, Inc. | Soft body catheter with low friction lumen |
| JP5018492B2 (ja) * | 2008-01-15 | 2012-09-05 | 住友電気工業株式会社 | プリフォーム製造方法 |
| US8360950B2 (en) * | 2008-01-24 | 2013-01-29 | Senorx, Inc. | Multilumen brachytherapy balloon catheter |
| US9579524B2 (en) | 2009-02-11 | 2017-02-28 | Hologic, Inc. | Flexible multi-lumen brachytherapy device |
| US9248311B2 (en) | 2009-02-11 | 2016-02-02 | Hologic, Inc. | System and method for modifying a flexibility of a brachythereapy catheter |
| US10207126B2 (en) | 2009-05-11 | 2019-02-19 | Cytyc Corporation | Lumen visualization and identification system for multi-lumen balloon catheter |
| US9352172B2 (en) | 2010-09-30 | 2016-05-31 | Hologic, Inc. | Using a guide member to facilitate brachytherapy device swap |
| US9738533B2 (en) * | 2010-12-15 | 2017-08-22 | Honeywell International Inc. | Fouling resistant system |
| US10342992B2 (en) | 2011-01-06 | 2019-07-09 | Hologic, Inc. | Orienting a brachytherapy applicator |
| CN103553319B (zh) * | 2013-10-10 | 2016-05-11 | 北京交通大学 | 一种使用纳米自组装技术制作稀土掺杂光纤的方法 |
| EP3918388A4 (en) * | 2019-01-29 | 2022-10-12 | Sterlite Technologies Limited | Method for manufacturing an optical fibre and the optical fibre thereof |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2637937A1 (de) * | 1976-08-23 | 1978-03-02 | Siemens Ag | Herstellung von lichtleitfasern nach einem fluessigphasen-abscheidungsverfahren |
| FR2429040A1 (fr) * | 1978-06-23 | 1980-01-18 | Editions Filmees | Procede de fabrication de preforme pour fibres optiques |
| EP0044712B1 (en) * | 1980-07-17 | 1989-08-23 | BRITISH TELECOMMUNICATIONS public limited company | Improvements in and relating to glass fibres for optical communication |
| US4848998A (en) * | 1988-01-21 | 1989-07-18 | Polaroid Corporation | Selective volitization method for preparing fiber optics |
| JPH01203236A (ja) * | 1988-02-09 | 1989-08-16 | Seiko Epson Corp | ファイバレーザーの製造方法 |
| AU637646B2 (en) * | 1989-12-20 | 1993-06-03 | Sumitomo Electric Industries, Ltd. | Method for producing rare earth element-doped glass by sol-gel process |
| EP0443781A1 (en) * | 1990-02-23 | 1991-08-28 | AT&T Corp. | Method for doping optical fibers |
| AU640996B2 (en) * | 1990-03-29 | 1993-09-09 | Societe Anonyme Dite Alcatel Alsthom Compagnie Generale D'electricite | A method of fabricating preforms for making optical fibers by drawing |
| US5058976A (en) * | 1990-08-03 | 1991-10-22 | At&T Bell Laboratories | System comprising Er-doped optical fiber |
| US5153940A (en) * | 1992-01-24 | 1992-10-13 | Bergquist Mary T | Children's garment |
-
1992
- 1992-06-22 AU AU18433/92A patent/AU649845B2/en not_active Ceased
- 1992-06-23 TW TW081104914A patent/TW260654B/zh active
- 1992-06-23 KR KR1019920010897A patent/KR950004059B1/ko not_active Expired - Fee Related
- 1992-06-23 US US07/902,821 patent/US5314518A/en not_active Expired - Lifetime
- 1992-06-24 EP EP94112767A patent/EP0626352B1/en not_active Expired - Lifetime
- 1992-06-24 DE DE69215901T patent/DE69215901T2/de not_active Expired - Fee Related
- 1992-06-24 EP EP92110629A patent/EP0520402B1/en not_active Expired - Lifetime
- 1992-06-24 DE DE69219677T patent/DE69219677D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0626352A3 (en) | 1995-04-12 |
| AU1843392A (en) | 1993-01-07 |
| DE69215901D1 (de) | 1997-01-23 |
| KR930000404A (ko) | 1993-01-15 |
| KR950004059B1 (ko) | 1995-04-25 |
| EP0520402A3 (en) | 1993-08-11 |
| TW260654B (cg-RX-API-DMAC7.html) | 1995-10-21 |
| EP0626352A2 (en) | 1994-11-30 |
| AU649845B2 (en) | 1994-06-02 |
| DE69219677D1 (de) | 1997-06-19 |
| EP0626352B1 (en) | 1996-12-11 |
| EP0520402A2 (en) | 1992-12-30 |
| EP0520402B1 (en) | 1997-05-14 |
| US5314518A (en) | 1994-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69215901T2 (de) | Verfahren zum Herstellen einer Glasvorform für optische Fasern | |
| DE2930398C2 (cg-RX-API-DMAC7.html) | ||
| DE69125605T2 (de) | Wellenleiterstruktur mit lasereigenschaften | |
| DE69625155T2 (de) | Optische Einmodennachrichtenfaser und Verfahren zur Herstellung der Faser | |
| EP1000909B1 (de) | Verfahren zur Herstellung einer Vorform für eine optische Faser und für die Durchführung des Verfahrens geeignetes Substratrohr | |
| DE69300600T2 (de) | Verfahren zum Dotieren von porösen Glasvorformen. | |
| EP0086533B1 (de) | Verfahren zur Herstellung von fluordotierten Lichtleitfasern | |
| DE3040188C2 (de) | Optische Übertragungsfaser und Verfahren zu ihrer Herstellung | |
| DE60023057T2 (de) | Verfahren zum Herstellen einer mit seltenem Erdmetall dotierten Vorform für optische Fasern | |
| DE69303960T2 (de) | Herstellungsverfahren von mit Erbium dotiertem Siliciumdioxid für optische Glasfaservorformen | |
| DE3887060T2 (de) | Verfahren zur Herstellung von Glasvorformen für optische Fasern. | |
| EP0666836B1 (de) | Verfahren und vorrichtung zur vorformherstellung für quarzglas-lichtwellenleiter | |
| DE2919080A1 (de) | Verfahren zum herstellen einer optischen faser | |
| EP1286926B1 (de) | Verfahren für die herstellung einer optischen faser | |
| US4188198A (en) | Joint doping of porous glasses to produce materials with high modifier concentrations | |
| EP0999190B1 (de) | Vorform für eine optische Faser, Verfahren zur Herstellung eines Kernglases einer Vorform für eine optische Faser und einer optischen Faser sowie Verwendung von synthetischem Quarzglases | |
| DE19958276C1 (de) | Verfahren für die Herstellung einer Quarzglas-Vorform für eine Lichtleitfaser | |
| DE69921080T2 (de) | Verfahren zum Herstellen einer Vorform für optische Fasern und Verfahren zur Herstellung von optischen Fasern | |
| DE10155134C1 (de) | Verfahren für die Herstellung einer Vorform für eine optische Faser und Vorform für eine optische Faser | |
| DE3635819C2 (cg-RX-API-DMAC7.html) | ||
| EP0536631B1 (de) | Verfahren zum Herstellen einer Vorform für optische Fasern | |
| EP0687391A1 (de) | Lichtwellenleiter für faseroptische verstärker für den wellenlängenbereich um 1300 nm | |
| DE19952821B4 (de) | Verfahren zur Herstellung einer Quarzglas-Vorform für Lichtleitfasern | |
| JPH11180719A (ja) | 光ファイバ用ガラス母材の製造方法 | |
| DE4420287A1 (de) | Lichtwellenleiter für faseroptische Verstärker für den Wellenlängenbereich um 1550 nm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |