Inventor

CAMPION JEAN-FLORENT

FR19 patents

⚠️ This page may combine multiple inventors who share the name “CAMPION JEAN-FLORENT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CAMPION JEAN-FLORENT

CIT ALCATEL

Method of purifying silica and depositing on an optical fiber preform

Method of manufacturing a silica powder

Preform including a barrier layer preventing hydrogen from diffusing into optical fiber manufactured from said perform, and a method of preparing such a preform

Method for reducing the hydrogen sensitivity of optical fibers at 1380nm-1410 nm

Method of purifying natural or synthetic silica, and application thereof to depositing purified natural or synthetic silica on an optical fiber preform

Method of manufacturing large capacity preforms by MCVD

Step index optical fiber with doped cladding and core, a preform, and a method of fabricating such a fiber

Method of depositing a layer of silica followed by a step of adding dopant to the layer

Process for making silica powder and use of such powder in the manufacture of an optical fiber preform

Method and apparatus for treating silica granules using porous graphite crucible

Making an optical fiber preform including reducing the length of a deposition layer

Method of manufacturing a fluorine-doped silica powder

ALCATEL FIBRES OPTIQUES

Method of separating and glazing an optical fiber preform

Device for doping silica powder

Apparatus for manufacturing silica powder with spherical grains

Method of manufacturing silica powder with spherical grains

ALCATEL NV

Method of manufacturing a silica powder and use of such a powder in making an optical fiber preform

Method of manufacturing silica powder and use of such powder in making an optical fiber preform

DRAKA COMTEQ BV

Overcladding an optical fiber preform using an air-argon plasma torch