The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 04, 2012
Filed:
Nov. 12, 2009
Alain Pastouret, Massy, FR;
Ekaterina Burov, Boulogne-Billancourt, FR;
David Boivin, Longjumeau, FR;
Christine Collet, Mennecy, FR;
Olivier Cavani, Angervilliers, FR;
Alain Pastouret, Massy, FR;
Ekaterina Burov, Boulogne-Billancourt, FR;
David Boivin, Longjumeau, FR;
Christine Collet, Mennecy, FR;
Olivier Cavani, Angervilliers, FR;
Draka Comteq, B.V., Amsterdam, NL;
Abstract
Disclosed is an amplifying optical fiber having a central core and an optical cladding surrounding the central core. The central core is based on a silica matrix that includes nanoparticles, which are composed of a matrix material that includes doping ions of at least one rare earth element. The amplifying optical fiber can be employed, for example, in an optical amplifier and an optical laser.