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:
Oct. 11, 2005
Filed:
Apr. 28, 2003
Applicants:
Marianne Molina, Paris, FR;
Carlos DE Barros, Boulogne-Billancourt, FR;
Isabelle Riant, Orsay, FR;
Inventors:
Assignee:
Avanex Corporation, Fremont, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B006/34 ;
U.S. Cl.
CPC ...
Abstract
An optical filter composed of a concatenation of elementary filters consisting of chirped slanted Bragg gratings written on a continuous portion of an optical waveguide, characterized in that the various gratings in the concatenation have the same angle, identical lengths and a linear chirp.