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:
Aug. 09, 2011
Filed:
Aug. 04, 2006
Etienne Le Coarer, Grenoble, FR;
Pierre Benech, Grenoble, FR;
Pierre Kern, Corenc, FR;
Gilles Lerondel, Saint-Julien-les-Villas, FR;
Sylvain Blaize, Troyes, FR;
Alain Morand, Grenoble, FR;
Etienne Le Coarer, Grenoble, FR;
Pierre Benech, Grenoble, FR;
Pierre Kern, Corenc, FR;
Gilles Lerondel, Saint-Julien-les-Villas, FR;
Sylvain Blaize, Troyes, FR;
Alain Morand, Grenoble, FR;
Universite Joseph Fourier, , FR;
Abstract
The invention relates to a spectrograph () comprising a waveguide () provided with accesses (), a means for injecting two guided contra-propagative waves by each accesses in such a way that a spatial interference is formed in the waveguide, means () for detecting the energy of the evanescent wave of the guided field produced by the interference of said contra-propagative waves.