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:
Jan. 20, 2004
Filed:
May. 23, 2002
Applicant:
Inventors:
Olivier Parriaux, Saint Etienne, FR;
Florent Pigeon, Saint Etienne, FR;
Alexander V. Tishchenko, Saint Etienne, FR;
Assignee:
Universite Jean Monnet, Saint Etienne, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/18 ;
U.S. Cl.
CPC ...
G02B 5/18 ;
Abstract
The invention concerns a light reflecting element comprising a substrate ( ), a multilayer mirror ( ) and optical coupling means ( ) comprising a diffraction grating ( ); whereby the reflection coefficient of one polarization is damped without damping the reflection coefficient of the orthogonal polarization over a broad wavelength range and with a large tolerance on the optogeometrical parameters of the device.