Christian Le Sergent

Person

Marcoussis, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Optical fiber for a flat-gain optical amplifier
- Patent number 6,175,445
- Issue date Jan 16, 2001
- Alcatel
- Bertrand Desthieux
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber including a fluorescent dopant
- Patent number 5,892,876
- Issue date Apr 6, 1999
- Alcatel Submarine Networks
- Emmanuel Desurvire
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of improving the geometrical shape of a tube used for making...
- Patent number 5,676,724
- Issue date Oct 14, 1997
- Alcatel Fibres Optques
- Gilles Barre
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing active optical fibers
- Patent number 5,364,429
- Issue date Nov 15, 1994
- Alcatel Fibres Optiques
- Christian Le Sergent
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and device for outside plasma deposition of hydroxyl ion-fre...
- Patent number 5,194,714
- Issue date Mar 16, 1993
- Compagnie Generale d'Electricite
- Christian Le Sergent
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of flame finishing optical fiber preforms
- Patent number 5,192,350
- Issue date Mar 9, 1993
- Alcatel Fibres Optiques
- Christian Le Sergent
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical amplifier in the 1.26 .mu.m to 1.34 .mu.m spectrum range
- Patent number 5,185,847
- Issue date Feb 9, 1993
- Alcatel N.V.
- Herve Fevrier
- G02 - OPTICS
Information Patent Grant
Method of fabricating preforms for making optical fibers by drawing
- Patent number 5,154,745
- Issue date Oct 13, 1992
- Alcatel Alsthom Compagnie Generale d'Electricite
- Christian Le Sergent
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing an optical fiber preform having doped cladding
- Patent number 5,090,979
- Issue date Feb 25, 1992
- Compagnie Generale d'Electricite
- Christian Le Sergent
- G02 - OPTICS
Information Patent Grant
Method of making an internally-doped tube of transparent glass, in...
- Patent number 4,952,225
- Issue date Aug 28, 1990
- Societe Anonyme dite: Compagnie Generale d'Electricite
- Christian Le Sergent
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical waveguide fabrication method
- Patent number 4,676,820
- Issue date Jun 30, 1987
- Compagnie Lyonnaise de Transmissions
- Christian Le Sergent
- G02 - OPTICS
Information Patent Grant
Method of producing an optical fibre blank
- Patent number 4,121,919
- Issue date Oct 24, 1978
- Compagnie Generale d'Electricite
- Christian Le Sergent
- G02 - OPTICS
Information Patent Grant
Method and device for depositing a layer of glass on the inner wall...
- Patent number 4,117,802
- Issue date Oct 3, 1978
- Compagnie Generale d'Electricite
- Christian Le Sergent
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Christian Le Sergent

Person

Patents Grantslast 30 patents

Optical fiber for a flat-gain optical amplifier

Optical fiber including a fluorescent dopant

Method of improving the geometrical shape of a tube used for making...

Method of manufacturing active optical fibers

Method and device for outside plasma deposition of hydroxyl ion-fre...

Method of flame finishing optical fiber preforms

Optical amplifier in the 1.26 .mu.m to 1.34 .mu.m spectrum range

Method of fabricating preforms for making optical fibers by drawing

Method of manufacturing an optical fiber preform having doped cladding

Method of making an internally-doped tube of transparent glass, in...

Optical waveguide fabrication method

Method of producing an optical fibre blank

Method and device for depositing a layer of glass on the inner wall...