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. 03, 2009
Filed:
Mar. 03, 2004
Daniel Kaplan, Paris, FR;
Thomas Oksenhendler, Gometz le Chatel, FR;
Pierre Tournois, Cagnes sur Mer, FR;
Daniel Kaplan, Paris, FR;
Thomas Oksenhendler, Gometz le Chatel, FR;
Pierre Tournois, Cagnes sur Mer, FR;
Fastlite, Paris, FR;
Abstract
The invention relates to a method and device for controlling the amplitude of the wavelength spectrum of ultra-short light pulses emitted by multipass laser amplifiers. According to the invention, a programmable acousto-optic device () is introduced into a laser cavity of a multipass amplifier (), in order to modify slightly the amplitude of the spectrum of the light pulse with each passage, owing to a collinear or quasi-collinear interaction between the light pulse and a sound beam, the result from the filtering being used on the non-diffracted direct light beam from the acousto-optic interaction.