1
Jean Florent Campion, Jacques Goudeau, Jean Francois Chariot, Christelle Lavallade: Method of manufacturing a silica powder. Alcatel, Sughrue Mion Zinn Macpeak & Seas PLLC, June 6, 2000: US06071487 (8 worldwide citation)

In the method, a suspension of silica particles in water is provided, the suspension is gelled, the resulting gel is dried under microwaves, the dried gel is fractioned into silica granules having a diameter lying in the range 10 .mu.m to 1000 .mu.m, having an apparent density of about 0.5 g/cm.sup. ...


2
Jean Claude Rousseau, Michel Hertz, Marianne Paillot, Raphaelle Sauvageon, Jean Francois Chariot: Broadband stepped index optical fiber. Alcatel, Sughrue Mion PLLC, May 7, 2002: US06385379 (2 worldwide citation)

A stepped index optical fiber is disclosed having a chromatic dispersion cancellation wavelength less than 1 280 nm or even 1 250 nm. The fiber can be used for wavelength-division multiplex transmission not only in the window around 1 550 nm but also in the window around 1 300 nm. The chromatic disp ...


3
Jean Claude Rousseau, Jean Francois Chariot: Method of fabricating an optical fiber with varying chromatic dispersion. Sughrue Mion Zinn Macpeak & Seas Pllc, November 1, 2001: US20010036348-A1

The invention proposes to fabricate an optical fiber by drawing a preform including several layers, at least one of which has a different viscosity to the other layers at the drawing temperature. The drawing tension is varied during drawing to obtain a fiber having a constant diameter and a varying ...


4
Thierry Robin, Jean Francois Chariot: Optic fibre preform and its making method. Alcatel Fibres Optiques, WANG JIE, March 11, 1998: CN97116103

A process of fabricating an optical fiber preform, preferably a multimode optical fiber preform, having a maximum refractive index along an axis of the fiber and a lower refractive index at its periphery. The process includes the following steps: depositing successive layers onto the interior of the ...