IT8323988A1 - MANUFACTURE OF OPTICAL DEVICES AND PREFORMS - Google Patents
MANUFACTURE OF OPTICAL DEVICES AND PREFORMSInfo
- Publication number
- IT8323988A1 IT8323988A1 IT1983A23988A IT2398883A IT8323988A1 IT 8323988 A1 IT8323988 A1 IT 8323988A1 IT 1983A23988 A IT1983A23988 A IT 1983A23988A IT 2398883 A IT2398883 A IT 2398883A IT 8323988 A1 IT8323988 A1 IT 8323988A1
- Authority
- IT
- Italy
- Prior art keywords
- preforms
- manufacture
- optical devices
- optical
- devices
- Prior art date
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]
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/14—Other methods of shaping glass by gas- or vapour- phase reaction processes
- C03B19/1415—Reactant delivery systems
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/14—Other methods of shaping glass by gas- or vapour- phase reaction processes
- C03B19/1453—Thermal after-treatment of the shaped article, e.g. dehydrating, consolidating, sintering
-
- 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]
- C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
-
- 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]
- C03B37/0148—Means for heating preforms during or immediately prior to deposition
-
- 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
- C03C23/0005—Other surface treatment of glass not in the form of fibres or filaments by irradiation
- C03C23/0025—Other surface treatment of glass not in the form of fibres or filaments by irradiation by a laser beam
-
- 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
- G02B6/13—Integrated optical circuits characterised by the manufacturing method
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Optical Integrated Circuits (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Glass Melting And Manufacturing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US44632782A | 1982-12-02 | 1982-12-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8323988A0 IT8323988A0 (en) | 1983-12-01 |
IT8323988A1 true IT8323988A1 (en) | 1985-06-01 |
IT1168733B IT1168733B (en) | 1987-05-20 |
Family
ID=23772171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23988/83A IT1168733B (en) | 1982-12-02 | 1983-12-01 | MANUFACTURE OF OPTICAL DEVICES AND PREFORMS |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS59111941A (en) |
DE (1) | DE3343549A1 (en) |
FR (1) | FR2537291B1 (en) |
GB (1) | GB2131417B (en) |
IT (1) | IT1168733B (en) |
NL (1) | NL8304128A (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8523433D0 (en) * | 1985-09-23 | 1985-10-30 | Gen Electric Co Plc | Channel waveguides |
GB2182349A (en) * | 1985-11-05 | 1987-05-13 | Sec Dep For Trade & Industry T | Laser coating with inorganic materials |
GB2189901B (en) * | 1986-04-25 | 1989-12-06 | Stc Plc | Laser induced optical fibre grating devices. |
JPS63217307A (en) * | 1987-03-06 | 1988-09-09 | Hitachi Ltd | Optical multiplexer/demultiplexer and its manufacture |
JPS63223712A (en) * | 1987-03-13 | 1988-09-19 | Hitachi Ltd | Light guide and its production |
GB8722615D0 (en) * | 1987-09-25 | 1987-11-04 | Plessey Co Plc | Optical fibres |
JPH0196604A (en) * | 1987-10-09 | 1989-04-14 | Hitachi Ltd | Optical waveguide and its manufacture |
DE3739189A1 (en) * | 1987-11-19 | 1989-06-01 | Rheydt Kabelwerk Ag | Process for collapsing preforms for optical waveguides |
US4932989A (en) * | 1989-04-05 | 1990-06-12 | At&T Bell Laboratories | Method and apparatus for fabricating microlenses on optical fibers |
DE69219370T2 (en) * | 1991-01-17 | 1997-11-06 | United Distillers Plc | Dynamic laser marking |
US6436857B1 (en) * | 1999-04-09 | 2002-08-20 | University Of New Mexico | Large photosensitivity in lead silicate glasses |
US6791592B2 (en) | 2000-04-18 | 2004-09-14 | Laserink | Printing a code on a product |
US10583668B2 (en) | 2018-08-07 | 2020-03-10 | Markem-Imaje Corporation | Symbol grouping and striping for wide field matrix laser marking |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1490700A (en) * | 1973-12-20 | 1977-11-02 | Standard Telephones Cables Ltd | Optical fibre preform manufacture |
NL165134B (en) * | 1974-04-24 | 1980-10-15 | Nippon Telegraph & Telephone | METHOD FOR MANUFACTURING A BAR AS AN INTERMEDIATE FOR THE MANUFACTURE OF AN OPTICAL FIBER AND METHOD FOR MANUFACTURING AN OPTICAL FIBER FROM SUCH AN INTERMEDIATE. |
DE2605483A1 (en) * | 1976-02-12 | 1977-08-18 | Licentia Gmbh | Photoconductor having radially decreasing refractive index - formed on heated rotating glass rod using heat decomposing gases |
GB1574115A (en) * | 1978-05-18 | 1980-09-03 | Standard Telephones Cables Ltd | Optical fibre manufacture |
-
1983
- 1983-11-25 GB GB08331538A patent/GB2131417B/en not_active Expired
- 1983-11-29 FR FR8319004A patent/FR2537291B1/en not_active Expired
- 1983-12-01 IT IT23988/83A patent/IT1168733B/en active
- 1983-12-01 NL NL8304128A patent/NL8304128A/en not_active Application Discontinuation
- 1983-12-01 DE DE19833343549 patent/DE3343549A1/en not_active Withdrawn
- 1983-12-02 JP JP58227128A patent/JPS59111941A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE3343549A1 (en) | 1984-06-07 |
IT8323988A0 (en) | 1983-12-01 |
JPS59111941A (en) | 1984-06-28 |
GB8331538D0 (en) | 1984-01-04 |
GB2131417B (en) | 1987-04-08 |
NL8304128A (en) | 1984-07-02 |
FR2537291A1 (en) | 1984-06-08 |
IT1168733B (en) | 1987-05-20 |
FR2537291B1 (en) | 1988-02-12 |
GB2131417A (en) | 1984-06-20 |
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