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Optimisation d'une source d'harmoniques d'ordres élevés pour l'optique non-linéaire dans l'extrême UV

Abstract : The work presents the development of the high harmonic source at LOA, based on a kHz Titanium-Sapphire laser system. Our aim is to provide a source optimized for the study of interactions between an intense high harmonic beam, focused onto a solid target. The framework of this optimization is set, both theoretically and experimentally, that led to absorption-limited generation conditions. We particularly emphasize the importance of aperturing the infrared laser beam. We demonstrate the application of an efficient genetic algorithm to the spectral control of the harmonic radiation through the control of the infrared laser spectral phase. We conclude on the focusing of harmonic beams.
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https://pastel.archives-ouvertes.fr/tel-00008285
Contributor : Philippe Balcou <>
Submitted on : Thursday, January 27, 2005 - 7:04:46 PM
Last modification on : Wednesday, July 3, 2019 - 10:48:02 AM
Long-term archiving on: : Friday, April 2, 2010 - 9:36:44 PM

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  • HAL Id : tel-00008285, version 1

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Sophie Kazamias-Moucan. Optimisation d'une source d'harmoniques d'ordres élevés pour l'optique non-linéaire dans l'extrême UV. Physique Atomique [physics.atom-ph]. Ecole Polytechnique X, 2003. Français. ⟨tel-00008285⟩

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