BE729880A - - Google Patents
Info
- Publication number
- BE729880A BE729880A BE729880DA BE729880A BE 729880 A BE729880 A BE 729880A BE 729880D A BE729880D A BE 729880DA BE 729880 A BE729880 A BE 729880A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
-
- 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
- C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
- C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique
-
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
-
- 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
-
- 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
- G02B6/02042—Multicore optical fibres
-
- 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
- C03B2201/50—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with alkali metals
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/34—Plural core other than bundles, e.g. double core
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12166—Manufacturing methods
- G02B2006/12183—Ion-exchange
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Surface Treatment Of Glass (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1698668 | 1968-03-15 | ||
JP8472568 | 1968-11-18 | ||
JP8472468 | 1968-11-18 | ||
US03/147,256 US3941474A (en) | 1968-03-15 | 1971-05-26 | Light-conducting glass structures |
US398832A US3923486A (en) | 1968-03-15 | 1973-09-19 | Method of producing light-conducting glass structure |
Publications (1)
Publication Number | Publication Date |
---|---|
BE729880A true BE729880A (de) | 1969-08-18 |
Family
ID=27519876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE729880D BE729880A (de) | 1968-03-15 | 1969-03-14 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3923486A (de) |
BE (1) | BE729880A (de) |
FR (1) | FR2004043A1 (de) |
GB (1) | GB1266521A (de) |
NL (1) | NL167400C (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1916226B2 (de) * | 1968-04-30 | 1971-04-22 | Optische uebertragungseinrichtung | |
US3791806A (en) * | 1969-12-30 | 1974-02-12 | Nippon Selfoc Co Ltd | Continuous production of light-conducting glass fibers with ion diffusion |
JPS4922465B1 (de) * | 1969-12-30 | 1974-06-08 | ||
JPS5041559A (de) * | 1973-08-02 | 1975-04-16 | ||
US3997250A (en) * | 1975-07-02 | 1976-12-14 | American Optical Corporation | High strength ophthalmic lens |
US4022628A (en) * | 1975-09-05 | 1977-05-10 | American Optical Corporation | Ion exchange-strengthened silicate glass filter for ultraviolet light |
US3997249A (en) * | 1975-10-28 | 1976-12-14 | American Optical Corporation | Ion exchangeable segment glass |
US4069031A (en) * | 1976-05-10 | 1978-01-17 | Owens-Illinois, Inc. | Process for forming two different indices of refraction in a glass ceramic |
NL7800157A (nl) * | 1978-01-06 | 1979-07-10 | Philips Nv | Werkwijze voor de vervaardiging van optische fibers voor telecommunicatie. |
CA1156467A (en) * | 1979-03-19 | 1983-11-08 | George W. Scherer | Method for drawing high-bandwidth optical waveguides |
JPS5734502A (en) * | 1980-08-11 | 1982-02-24 | Nippon Sheet Glass Co Ltd | Near parabolic optical transmission body and its production |
DE3524605A1 (de) * | 1985-01-22 | 1987-01-15 | Schott Glaswerke | Lichtwellenleiter, hergestellt aus speziellen hoch-aluminiumhaltigen substratglaesern durch ionenaustausch gegen cs+-ionen |
FR2624621B1 (fr) * | 1987-12-10 | 1992-07-31 | Comp Generale Electricite | Procede de fabrication d'une fibre optique ayant une bonne resistance a la fatigue |
US5032000A (en) * | 1988-01-29 | 1991-07-16 | Canon Kabushiki Kaisha | Gradient index-type optical device and process for production thereof |
KR970009824B1 (ko) * | 1994-02-28 | 1997-06-18 | 현대전자산업 주식회사 | 배럴형 감광막 제거장치 |
US6128926A (en) * | 1999-03-15 | 2000-10-10 | Dicon Fiberoptics, Inc. | Graded index lens for fiber optic applications and technique of fabrication |
US8250617B2 (en) | 1999-10-29 | 2012-08-21 | Opentv, Inc. | System and method for providing multi-perspective instant replay |
US6845634B2 (en) | 2001-06-21 | 2005-01-25 | Wave Crossing Corporation | Method for fabricating thallium-doped GRIN lens |
JP6613604B2 (ja) * | 2015-04-30 | 2019-12-04 | 住友電気工業株式会社 | 光ファイバ母材 |
US10927029B2 (en) * | 2017-11-30 | 2021-02-23 | Corning Incorporated | Apparatuses and methods for continuous production of glass tubing |
CN110550859B (zh) * | 2018-06-04 | 2023-06-06 | 长春理工大学 | 一种新型酸溶玻璃及其制备方法 |
CN111650689B (zh) * | 2020-05-10 | 2022-03-25 | 桂林电子科技大学 | 一种纤维集成微透镜组 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3320114A (en) * | 1963-07-31 | 1967-05-16 | Litton Prec Products Inc | Method for lowering index of refraction of glass surfaces |
US3434774A (en) * | 1965-02-02 | 1969-03-25 | Bell Telephone Labor Inc | Waveguide for millimeter and optical waves |
US3486808A (en) * | 1966-03-14 | 1969-12-30 | Bausch & Lomb | Gradient refractive index optical lenses |
US3563057A (en) * | 1968-08-28 | 1971-02-16 | Bausch & Lomb | Method for making multifocal lens |
-
1969
- 1969-03-14 GB GB1266521D patent/GB1266521A/en not_active Expired
- 1969-03-14 NL NL6903986.A patent/NL167400C/xx not_active IP Right Cessation
- 1969-03-14 BE BE729880D patent/BE729880A/xx not_active IP Right Cessation
- 1969-03-17 FR FR6907590A patent/FR2004043A1/fr active Pending
-
1973
- 1973-09-19 US US398832A patent/US3923486A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE1913358B2 (de) | 1972-06-22 |
GB1266521A (de) | 1972-03-08 |
NL6903986A (de) | 1969-09-17 |
NL167400B (nl) | 1981-07-16 |
NL167400C (nl) | 1981-12-16 |
US3923486A (en) | 1975-12-02 |
FR2004043A1 (de) | 1969-11-14 |
DE1913358A1 (de) | 1969-11-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: NIPPON SELFOE K.K. Effective date: 19890314 |