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:
Dec. 14, 2010
Filed:
Aug. 10, 2006
Sebastien Demoustier, Paris, FR;
Amaud Brignon, Bourg-la-Reine, FR;
Jean-pierre Huignard, Paris, FR;
Laurent Mugnier, Meudon, FR;
Jerome Primot, Chatillon, FR;
Sebastien Demoustier, Paris, FR;
Amaud Brignon, Bourg-la-Reine, FR;
Jean-Pierre Huignard, Paris, FR;
Laurent Mugnier, Meudon, FR;
Jerome Primot, Chatillon, FR;
Thales, , FR;
Abstract
A laser source is disclosed with coherent recombination of N spatial monomode laser beams having N phase shifters controlled by a phase-lock device (). The phase-lock device has an optical device () capable of taking at least a portion of each of the N beams. The optical device has an optical element () capable of applying a phase deformation, and at least one matrix (M) of detectors capable of detecting a first image (im) of a wave surface corresponding to the N beams. The matrix (M) of detectors also detects a second image (im) deformed by the optical element (). Processing means () are provided for processing the first and second images. The processing means are configured so as to measure the phase pistons between on the sub-pupils (sp) corresponding to the N beams and to apply phase corrections c(φ) to each of the N beams, by means of said N phase shifters so as to minimize the phase pistons.