FR2447354B1 - - Google Patents
Info
- Publication number
- FR2447354B1 FR2447354B1 FR8001395A FR8001395A FR2447354B1 FR 2447354 B1 FR2447354 B1 FR 2447354B1 FR 8001395 A FR8001395 A FR 8001395A FR 8001395 A FR8001395 A FR 8001395A FR 2447354 B1 FR2447354 B1 FR 2447354B1
- Authority
- FR
- France
- 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
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
- C03B37/012—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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0095—Solution impregnating; Solution doping; Molecular stuffing, e.g. of porous glass
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)
- Dispersion Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Melting And Manufacturing (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Surface Treatment Of Glass (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/007,192 US4302231A (en) | 1979-01-29 | 1979-01-29 | Method of producing a glass article having a graded refractive index profile of a parabolic nature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2447354A1 FR2447354A1 (fr) | 1980-08-22 |
| FR2447354B1 true FR2447354B1 (US20090158533A1-20090625-C00001.png) | 1984-11-02 |
Family
ID=21724738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8001395A Granted FR2447354A1 (fr) | 1979-01-29 | 1980-01-23 | Procede pour la realisation d'articles de verre presentant un indice de refraction d'allure parabolique |
Country Status (11)
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5742547A (en) * | 1980-08-25 | 1982-03-10 | Nippon Telegr & Teleph Corp <Ntt> | Preparation of optical glass part |
| DE3206181A1 (de) * | 1982-02-20 | 1983-09-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur herstellung einer vorform, aus der optische fasern ziehbar sind |
| JPS59146946A (ja) * | 1983-02-04 | 1984-08-23 | Hoya Corp | 厚さ方向にのみ屈折率勾配を有するスラブ状レンズの製造法 |
| JPS59152237A (ja) * | 1983-02-18 | 1984-08-30 | Hoya Corp | ガラス体の製造法 |
| JPS60171237A (ja) * | 1984-02-14 | 1985-09-04 | Hoya Corp | 屈折率勾配を有する透明ガラス体の製造法 |
| US4670033A (en) * | 1984-12-13 | 1987-06-02 | Canon Kabushiki Kaisha | Method of consolidating fine pores of porous glass |
| US4620861A (en) * | 1985-11-04 | 1986-11-04 | Corning Glass Works | Method for making index-profiled optical device |
| US4842629A (en) * | 1986-12-01 | 1989-06-27 | Siemens Aktiengesellschaft | Method for producing buried regions of raised refractive index in a glass member by ion exchange |
| US5254148A (en) * | 1990-06-20 | 1993-10-19 | Olympus Optical Company Limited | Method of manufacturing distributed index optical elements |
| US5068208A (en) * | 1991-04-05 | 1991-11-26 | The University Of Rochester | Sol-gel method for making gradient index optical elements |
| US5151117A (en) * | 1991-06-14 | 1992-09-29 | Corning Incorporated | Solution doping of porous preforms |
| US6178780B1 (en) | 1993-11-12 | 2001-01-30 | Olympus Optical Co., Ltd. | Method of solution doping a sol gel body via immersion |
| JPH08184702A (ja) * | 1994-12-29 | 1996-07-16 | Olympus Optical Co Ltd | 屈折率分布型光学素子およびその製造方法 |
| US6385384B1 (en) * | 1999-03-15 | 2002-05-07 | Corning Incorporated | Glasses containing rare earth fluorides |
| JP4052121B2 (ja) * | 2003-01-10 | 2008-02-27 | 住友電気工業株式会社 | 光導波体 |
| US7783149B2 (en) * | 2005-12-27 | 2010-08-24 | Furukawa Electric North America, Inc. | Large-mode-area optical fibers with reduced bend distortion |
| US7764854B2 (en) * | 2005-12-27 | 2010-07-27 | Ofs Fitel Llc | Optical fiber with specialized index profile to compensate for bend-induced distortions |
| US8010322B2 (en) | 2006-05-17 | 2011-08-30 | Honeywell International Inc. | Signal conditioning IC with conditioning-coefficient memory |
| JP5435502B2 (ja) * | 2008-04-08 | 2014-03-05 | 古河電気工業株式会社 | ガラス母材の製造方法 |
| CN115304265A (zh) * | 2022-08-31 | 2022-11-08 | 长飞光纤光缆股份有限公司 | 一种vad有源光纤预制棒及其制备方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2522524A (en) * | 1946-06-24 | 1950-09-19 | Corning Glass Works | Method of making sealing glasses |
| 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 |
| US4110096A (en) * | 1974-04-22 | 1978-08-29 | Macedo Pedro B | Method of precipitation of a dopant in a porous silicate glass |
| US3859073A (en) * | 1973-10-19 | 1975-01-07 | Corning Glass Works | Method of producing glass by flame hydrolysis |
| US4110093A (en) * | 1974-04-22 | 1978-08-29 | Macedo Pedro B | Method for producing an impregnated waveguide |
| GB1519701A (en) * | 1975-02-19 | 1978-08-02 | Zeiss Stiftung | Method of producing glass bodies having a gradient of ref-active index |
| CA1063352A (en) * | 1975-03-18 | 1979-10-02 | Pedro B. Macedo | Method for producing an impregnated waveguide |
| US4073579A (en) * | 1976-06-09 | 1978-02-14 | American Optical Corporation | Ophthalmic lens with locally variable index of refraction and method of making same |
| US4183620A (en) * | 1976-12-30 | 1980-01-15 | Pedro Buarque De Macedo | Joint doped porous glass article with high modifier concentrations |
| GB2002342B (en) * | 1977-07-27 | 1982-06-30 | Sumitomo Electric Industries | Process for producing a glass member |
-
1979
- 1979-01-29 US US06/007,192 patent/US4302231A/en not_active Expired - Lifetime
- 1979-12-28 CA CA000342760A patent/CA1119808A/en not_active Expired
-
1980
- 1980-01-07 AU AU54416/80A patent/AU533948B2/en not_active Ceased
- 1980-01-10 BR BR8000172A patent/BR8000172A/pt unknown
- 1980-01-23 NL NL8000418A patent/NL8000418A/nl not_active Application Discontinuation
- 1980-01-23 FR FR8001395A patent/FR2447354A1/fr active Granted
- 1980-01-25 GB GB8002675A patent/GB2041350B/en not_active Expired
- 1980-01-28 SE SE8000655A patent/SE441922B/sv unknown
- 1980-01-29 DE DE19803003104 patent/DE3003104A1/de not_active Withdrawn
- 1980-01-29 IT IT47754/80A patent/IT1147030B/it active
- 1980-01-29 JP JP922480A patent/JPS55136141A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4302231A (en) | 1981-11-24 |
| AU533948B2 (en) | 1983-12-22 |
| SE8000655L (sv) | 1980-07-30 |
| GB2041350A (en) | 1980-09-10 |
| NL8000418A (nl) | 1980-07-31 |
| IT1147030B (it) | 1986-11-19 |
| DE3003104A1 (de) | 1980-08-07 |
| IT8047754A0 (it) | 1980-01-29 |
| SE441922B (sv) | 1985-11-18 |
| GB2041350B (en) | 1983-06-15 |
| BR8000172A (pt) | 1980-09-23 |
| JPS55136141A (en) | 1980-10-23 |
| FR2447354A1 (fr) | 1980-08-22 |
| CA1119808A (en) | 1982-03-16 |
| JPH0121099B2 (US20090158533A1-20090625-C00001.png) | 1989-04-19 |
| AU5441680A (en) | 1980-08-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |