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:
Feb. 08, 2005
Filed:
Sep. 17, 2002
Applicants:
Xavier Andrieu, Bretigny sur Orge, FR;
Anne Decaumont, Bretigny sur Orge, FR;
Laurent Gasca, Villebon sur Yvette, FR;
Inventors:
Xavier Andrieu, Bretigny sur Orge, FR;
Anne Decaumont, Bretigny sur Orge, FR;
Laurent Gasca, Villebon sur Yvette, FR;
Assignee:
Alcatel, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B006/02 ; G02B006/22 ;
U.S. Cl.
CPC ...
Abstract
An optical fiber comprises a silica multimode optical core having a refractive index nand at least one polymer optical cladding having a refractive index n, with n>n. It further comprises a heterogeneous polymer intermediate optical cladding situated between the multimode core and the optical cladding and having a refractive index substantially equal to the refractive index nof the multimode core.