IT1168733B - MANUFACTURE OF OPTICAL DEVICES AND PREFORMS - Google Patents

MANUFACTURE OF OPTICAL DEVICES AND PREFORMS

Info

Publication number
IT1168733B
IT1168733B IT23988/83A IT2398883A IT1168733B IT 1168733 B IT1168733 B IT 1168733B IT 23988/83 A IT23988/83 A IT 23988/83A IT 2398883 A IT2398883 A IT 2398883A IT 1168733 B IT1168733 B IT 1168733B
Authority
IT
Italy
Prior art keywords
preforms
manufacture
optical devices
optical
devices
Prior art date
Application number
IT23988/83A
Other languages
Italian (it)
Other versions
IT8323988A1 (en
IT8323988A0 (en
Inventor
Herman Melvin Presby
Original Assignee
Western Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Electric Co filed Critical Western Electric Co
Publication of IT8323988A0 publication Critical patent/IT8323988A0/en
Publication of IT8323988A1 publication Critical patent/IT8323988A1/en
Application granted granted Critical
Publication of IT1168733B publication Critical patent/IT1168733B/en

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)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • Optics & Photonics (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)
  • Glass Melting And Manufacturing (AREA)
  • Light Guides In General And Applications Therefor (AREA)
IT23988/83A 1982-12-02 1983-12-01 MANUFACTURE OF OPTICAL DEVICES AND PREFORMS IT1168733B (en)

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 IT8323988A1 (en) 1985-06-01
IT1168733B true 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)

* Cited by examiner, † Cited by third party
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
CZ141893A3 (en) * 1991-01-17 1993-12-15 United Distillers Plc Process and apparatus for marking a moving object
WO2000061511A1 (en) * 1999-04-09 2000-10-19 The 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
NL8304128A (en) 1984-07-02
FR2537291A1 (en) 1984-06-08
GB2131417A (en) 1984-06-20
IT8323988A1 (en) 1985-06-01
IT8323988A0 (en) 1983-12-01
DE3343549A1 (en) 1984-06-07
GB2131417B (en) 1987-04-08
JPS59111941A (en) 1984-06-28
FR2537291B1 (en) 1988-02-12
GB8331538D0 (en) 1984-01-04

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