DE2746949C2 - Verfahren zur Herstellung von Glasfasern mit radialem Brechungsindexgradienten - Google Patents
Verfahren zur Herstellung von Glasfasern mit radialem BrechungsindexgradientenInfo
- Publication number
- DE2746949C2 DE2746949C2 DE2746949A DE2746949A DE2746949C2 DE 2746949 C2 DE2746949 C2 DE 2746949C2 DE 2746949 A DE2746949 A DE 2746949A DE 2746949 A DE2746949 A DE 2746949A DE 2746949 C2 DE2746949 C2 DE 2746949C2
- Authority
- DE
- Germany
- Prior art keywords
- blank
- treatment
- raw materials
- thermal
- glass
- 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
- 238000000034 method Methods 0.000 title claims description 32
- 230000008569 process Effects 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000003365 glass fiber Substances 0.000 title claims description 6
- 238000011282 treatment Methods 0.000 claims description 19
- 239000002019 doping agent Substances 0.000 claims description 18
- 239000012535 impurity Substances 0.000 claims description 18
- 238000002386 leaching Methods 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 16
- 239000011734 sodium Substances 0.000 claims description 9
- 238000007711 solidification Methods 0.000 claims description 7
- 230000008023 solidification Effects 0.000 claims description 7
- 229910005793 GeO 2 Inorganic materials 0.000 claims description 6
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052810 boron oxide Inorganic materials 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 229910052732 germanium Inorganic materials 0.000 claims description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 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 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical class [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims description 2
- 229910001950 potassium oxide Inorganic materials 0.000 claims description 2
- 238000007669 thermal treatment Methods 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims 1
- 239000000156 glass melt Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000012071 phase Substances 0.000 description 28
- 239000011521 glass Substances 0.000 description 26
- 239000000203 mixture Substances 0.000 description 15
- 239000007790 solid phase Substances 0.000 description 10
- 238000000926 separation method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000006060 molten glass Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 241001233037 catfish Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- -1 elses Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 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
- 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
-
- 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]
- C03B37/016—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 a liquid phase reaction process, e.g. through a gel phase
-
- 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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/008—Other surface treatment of glass not in the form of fibres or filaments comprising a lixiviation step
-
- 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
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
-
- 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
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Dispersion Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Glass Compositions (AREA)
- Glass Melting And Manufacturing (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7631355A FR2368444A1 (fr) | 1976-10-19 | 1976-10-19 | Procede de fabrication de fibres de verre a gradient radial d'indice de refraction, pour le guidage d'ondes optiques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2746949A1 DE2746949A1 (de) | 1978-04-20 |
| DE2746949C2 true DE2746949C2 (de) | 1982-10-28 |
Family
ID=9178908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2746949A Expired DE2746949C2 (de) | 1976-10-19 | 1977-10-19 | Verfahren zur Herstellung von Glasfasern mit radialem Brechungsindexgradienten |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4165222A (enExample) |
| JP (1) | JPS5352443A (enExample) |
| CA (1) | CA1101216A (enExample) |
| DE (1) | DE2746949C2 (enExample) |
| FR (1) | FR2368444A1 (enExample) |
| GB (1) | GB1553546A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4443172A1 (de) * | 1994-12-05 | 1996-06-13 | Ilmenauer Glaswerke Gmbh I L | Formkörper aus porösem Glas und Verfahren zu ihrer Herstellung |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2427621A1 (fr) * | 1978-05-30 | 1979-12-28 | Thomson Csf | Procede de fabrication de fibres optiques de faible attenuation, et fibre optique obtenue par ce procede |
| JPS6022652B2 (ja) * | 1978-09-28 | 1985-06-03 | 住友電気工業株式会社 | 光伝送用ガラスフアイバ−の製造方法 |
| DE2843276C2 (de) * | 1978-10-04 | 1980-05-29 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Herstellung eines Lichtwellenleiters |
| 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 |
| US4340408A (en) * | 1980-04-28 | 1982-07-20 | National Research Development Corporation | High silica glass |
| FR2521123A1 (fr) * | 1982-02-09 | 1983-08-12 | Thomson Csf | Procede de production de verre de silice dopee destine a l'elaboration de preforme pour fibre optique |
| US5030266A (en) * | 1986-11-07 | 1991-07-09 | At&T Bell Laboratories | Apparatus for adjusting the configuration of optical substrates |
| US5118333A (en) * | 1986-11-07 | 1992-06-02 | At&T Bell Laboratories | Apparatus for contacting a preform rod to cause the preform rod to have a substantially straight longitudinal axis and a transverse cross section which is substantially circular and disposed concentrically about its longitudinal axis |
| US4875916A (en) * | 1986-11-07 | 1989-10-24 | American Telephone And Telegraph Company, At&T Technologies, Inc. | Methods of adjusting the configuration of optical substrates |
| US4898777A (en) * | 1989-01-24 | 1990-02-06 | Infrared Fiber Systems | High-strength fluoride glass fibers and process of making |
| DE3941865A1 (de) * | 1989-12-19 | 1991-06-20 | Rheydt Kabelwerk Ag | Verfahren zum entfernen von verunreinigungen aus einer vorform |
| DE3941863A1 (de) * | 1989-12-19 | 1991-06-20 | Rheydt Kabelwerk Ag | Verfahren zum herstellen einer vorform fuer lichtwellenleiter |
| DE3941864A1 (de) * | 1989-12-19 | 1991-06-20 | Rheydt Kabelwerk Ag | Verfahren zum entfernen von verunreinigungen aus einer ausgangsvorform |
| US5261022A (en) * | 1991-10-21 | 1993-11-09 | Photonic Integration Research, Inc. | Optical waveguide of silica glass film on ceramic substrate |
| US6229945B1 (en) * | 1992-06-24 | 2001-05-08 | British Telecommunications Public Limited Company | Photo induced grating in B2O3 containing glass |
| US9612395B2 (en) * | 2012-01-26 | 2017-04-04 | Corning Incorporated | Optical fiber with a variable refractive index profile |
| CN107324659A (zh) * | 2017-07-17 | 2017-11-07 | 上海永丽节能材料有限公司 | 一种泡沫玻璃磨料制品及其制备方法 |
| CN116040937B (zh) * | 2021-10-28 | 2024-04-19 | 荣耀终端有限公司 | 分相玻璃、强化玻璃、其制备方法、电子设备的壳体、电子设备的显示屏及电子设备 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1279465A (en) * | 1968-10-25 | 1972-06-28 | Nippon Selfoc Co Ltd | Production of light-conducting fibres |
| US3758284A (en) * | 1970-12-17 | 1973-09-11 | W Haller | Porous material and method of making the same |
| CH561670A5 (enExample) * | 1972-12-04 | 1975-05-15 | Battelle Memorial Institute | |
| US3929497A (en) * | 1973-01-31 | 1975-12-30 | Fiberglas Canada Ltd | Crystallizable glass suitable for fiber production |
| US3938974A (en) * | 1973-04-27 | 1976-02-17 | Macedo Pedro B | Method of producing optical wave guide fibers |
| CA1020752A (en) * | 1973-04-27 | 1977-11-15 | Pedro B. Macedo | Method of producing optical wave guide fibers |
| US3870399A (en) * | 1973-11-28 | 1975-03-11 | Corning Glass Works | Pseudo-fiber optic devices |
| US4097258A (en) * | 1974-05-17 | 1978-06-27 | Hoya Glass Works, Ltd. | Optical fiber |
| GB1519701A (en) * | 1975-02-19 | 1978-08-02 | Zeiss Stiftung | Method of producing glass bodies having a gradient of ref-active index |
| GB1475261A (en) * | 1975-04-02 | 1977-06-01 | Nat Res Dev | Siliceous materials |
-
1976
- 1976-10-19 FR FR7631355A patent/FR2368444A1/fr active Granted
-
1977
- 1977-10-14 US US05/842,218 patent/US4165222A/en not_active Expired - Lifetime
- 1977-10-17 GB GB43167/77A patent/GB1553546A/en not_active Expired
- 1977-10-18 CA CA288,970A patent/CA1101216A/en not_active Expired
- 1977-10-19 JP JP12566377A patent/JPS5352443A/ja active Granted
- 1977-10-19 DE DE2746949A patent/DE2746949C2/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4443172A1 (de) * | 1994-12-05 | 1996-06-13 | Ilmenauer Glaswerke Gmbh I L | Formkörper aus porösem Glas und Verfahren zu ihrer Herstellung |
Also Published As
| Publication number | Publication date |
|---|---|
| US4165222A (en) | 1979-08-21 |
| CA1101216A (en) | 1981-05-19 |
| DE2746949A1 (de) | 1978-04-20 |
| FR2368444B1 (enExample) | 1979-03-02 |
| FR2368444A1 (fr) | 1978-05-19 |
| JPS5633329B2 (enExample) | 1981-08-03 |
| GB1553546A (en) | 1979-09-26 |
| JPS5352443A (en) | 1978-05-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2746949C2 (de) | Verfahren zur Herstellung von Glasfasern mit radialem Brechungsindexgradienten | |
| DE69300600T2 (de) | Verfahren zum Dotieren von porösen Glasvorformen. | |
| DE2906070C2 (de) | Verfahren zum Herstellen von optischen Wellenleitern | |
| DE69625155T2 (de) | Optische Einmodennachrichtenfaser und Verfahren zur Herstellung der Faser | |
| DE3001792C2 (de) | Anwendung des Sol-Gel-Verfahrens zur Herstellung eines Mutterstabes für die Herstellung von optischen Fasern | |
| DE2919080A1 (de) | Verfahren zum herstellen einer optischen faser | |
| DE19524545B4 (de) | Herstellungsverfahren für Gegenstände aus synthetischem Kieselsäureglas | |
| DE69601247T2 (de) | Verfahren zum Dehydratisieren und Sintern einer optischen Glasfaservorform | |
| DE2711295A1 (de) | Verfahren zum herstellen einer optischen faser mit verbesserter kreisfoermigkeit im querschnitt | |
| DE2906071A1 (de) | Verfahren zum ziehen von faeden aus thermoplastischem material | |
| DE2536456B1 (de) | Halbzeug fuer die herstellung von lichtleitfasern, verfahren zur herstellung des halbzeugs und aus dem halbzeug hergestellte lichtleitfasern | |
| DE2945804C2 (de) | Monomode-Lichtleitfaser | |
| EP0117009B1 (de) | Verfahren zum Herstellen einer massiven Vorform zum Ziehen optischer Fasern | |
| DE69407864T2 (de) | Verfahren zum Herstellen von porösen Vorformen für optische Fasern | |
| DE2909390C2 (enExample) | ||
| DE2625010C3 (de) | Verfahren zur Herstellung eines Vorformlings für optische Fasern | |
| EP0253427B1 (de) | Verfahren zum Herstellen optischer Fasern mit einem Kern und einem Mantel aus Glas unter Anwendung des Stab-Rohr-Verfahrens | |
| DE2358880B2 (de) | Lichtleitfaser aus erschmolzenem Siliziumdioxid unter Verwendung von Dotierungsmaterial sowie Verfahren zu ihrer Herstellung | |
| DE3003104A1 (de) | Verfahren zum herstellen eines glasgegenstandes mit abgestuftem, annaehernd parabelfoermigem profil bzw. verlauf des brechungsindex | |
| DE69209174T2 (de) | Verfahren zum Herstellen eines Vorform für optische Fasern | |
| DE2420558A1 (de) | Verfahren zur herstellung optisch leitender fasern | |
| DE69434585T2 (de) | Optische vorform mit kontrollierter und tiefliegender verbundener grenzflächenschicht | |
| DE69212017T2 (de) | Verfahren zum Herstellen einer Glasvorform für optische Fasern | |
| DE19958276C1 (de) | Verfahren für die Herstellung einer Quarzglas-Vorform für eine Lichtleitfaser | |
| DE2850493A1 (de) | Verfahren und vorrichtung zur stetigen herstellung optischer fasern |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: DERZEIT KEIN VERTRETER BESTELLT |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: PRINZ, E., DIPL.-ING. LEISER, G., DIPL.-ING. SCHWEPFINGER, K., DIPL.-ING. BUNKE, H., DIPL.-CHEM. DR.RER.NAT. DEGWERT, H., DIPL.-PHYS., PAT.-ANW., 8000 MUENCHEN |
|
| 8339 | Ceased/non-payment of the annual fee |