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Alain Drouart, Benoit Gouez, Bernard Jouvenel, Yves Lumineau, Max Matau, Pierre Ripoche: Method of building up an optical fiber preform by plasma deposition, and an optical fiber obtained from the preform built up by the method. Alcatel Fibres Optiques, Sughrue Mion Zinn Macpeak & Seas, May 28, 1996: US05522007 (45 worldwide citation)

A method of using a plasma to build up an optical fiber preform consists in injecting hydroxyl ions in a controlled manner into the build-up silica that is deposited on the preform. The invention is applicable to the manufacture of optical fibers, in particular monomode fibers.


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Alain Drouart, Benoit Gouez, Bernard Jouvenel, Yves Lumineau, Max Matau, Pierre Ripoche: Process of plasma recharging a preform for optical fibre and optical fibre made from recharged preform produced by this method.. Alcatel Fibres Optiques, June 16, 1995: FR2713621-A1

The process for plasma recharging a preform (P) for optical fibre is characterised in that it consists in introducing hydroxyl ions in a controlled manner into the recharge silica deposited on the said preform (P). Application: optical fibre, in particular single-mode.


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Emmanuel Petitfrere, GĂ©rard Lavanant, Benoit Gouez: Method and apparatus for manufacturing an optical fiber preform. Alcatel, Sughrue Mion PLLC, July 1, 2003: US06584806

A method of manufacturing a preform, the method comprising rotating a primary preform about an axis X, establishing relative displacement in translation between the preform and a plasma torch, and introducing a glass powder into the plasma flame, the glass powder being accelerated prior to penetrati ...


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Alain Drouart, Benoit Gouez, Yves Lumineau, Pierre Ripoche, Jean Florent Campion: Method of purifying natural or synthetic silica, and application thereof to depositing purified natural or synthetic silica on an optical fiber preform. Sughrue Mion Zinn Macpeak & Seas, May 24, 2001: US20010001366-A1

Natural or synthetic silica is deposited on a preform set into rotation in front of a plasma torch which moves back and forth substantially parallel to a longitudinal direction of the preform, a first feed duct feeds the plasma with grains of natural or synthetic silica while a second feed duct feed ...


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Emmanuel Petitfrere, Gerard Lavanant, Benoit Gouez: Method and apparatus for manufacturing an optical fiber preform. Alcatel, Sughrue Mion Zinn Macpeak & Seas Pllc, January 31, 2002: US20020011083-A1

A method of manufacturing a preform, the method comprising rotating a primary preform about an axis X, establishing relative displacement in translation between the preform and a plasma torch, and introducing a glass powder into the plasma flame, the glass powder being accelerated prior to penetrati ...


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Alain Drouart, Benoit Gouez, Yves Lumineau, Pierre Ripoche, Jean Forent Campion: Method of purifying natural or synthetic silica, and application thereof to depositing purified natural or synthetic silica on an optical fiber preform. Alcatel Alsthom Compagnie Generale D Electricite, Sughrue Mion Pllc, January 30, 2003: US20030019245-A1

Natural or synthetic silica is deposited on a preform set into rotation in front of a plasma torch which moves back and forth substantially parallel to a longitudinal direction of the preform, a first feed duct feeds the plasma with grains of natural or synthetic silica while a second feed duct feed ...