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Journal Articles Acta Physica Hungarica B) Quantum Electronics Year : 2006

Optimization of High Harmonic Generation by Genetic Algorithm

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Abstract

In order to develop an intense Extreme Ultra-Violet source based on High Harmonics Generation (HHG) for many applications, we have performed HHG signal optimization experiments. It has been shown that HHG is very sensitive to temporal fundamental pulse shape. For these experiments, we have used an acousto-optical programmable dispersive filter (Dazzler) in order to modify the spectral phase of the fundamental laser. We have optimized harmonic signals generated in argon gas cell with the help of an genetic algorithm up to a factor 6. We stress on the influence of macroscopic parameters on the optimization process. For the first time, we show and explain the algorithm sensitivity to phase-matching conditions.
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Dates and versions

hal-00520984 , version 1 (24-09-2010)

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Constance Valentin, Olga Boyko, Evaggelos Papalazarou, Gilles Rey, Brigitte Mercier, et al.. Optimization of High Harmonic Generation by Genetic Algorithm. Acta Physica Hungarica B) Quantum Electronics, 2006, 26 (3-4), pp.335-342. ⟨10.1556/APH.26.2006.3-4.14⟩. ⟨hal-00520984⟩
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