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Micro-sources X-UV incohérente et cohérente par décharge capillaire ultra-rapide.

Abstract : This work is within the framework of research on new radiation sources in the range of extreme ultraviolet and soft x-rays (wavelength between 1 and 100 nm). The possibility of getting laser amplification at 46.9 nm in Ne-like argon by means of an electric discharge was demonstrated for the first time in the United States in 1994, but hardly reproduced since by other teams. Having estimated the requirements in energy and power to obtain this population inversion in argon, we have built an innovating high pulse power system answering these criteria. Optical and electrical diagnostics have been specially devised for the experiment. In addition, an electric modeling allowed us to better understand the electric and energetic behavior of the system. Preliminary results of X-UV spectroscopy do not show any amplification of the argon line at 46.9 nm, however they highlight that the ionization level of argon is close to that necessary for amplification. Further studies based on the experiment we have built could lead to a compact source of coherent X-UV radiation.
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Submitted on : Wednesday, July 21, 2010 - 12:44:27 PM
Last modification on : Sunday, June 26, 2022 - 9:48:52 AM
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  • HAL Id : pastel-00000829, version 1


Pierre Loiseleur. Micro-sources X-UV incohérente et cohérente par décharge capillaire ultra-rapide.. Physique [physics]. Ecole Polytechnique X, 2004. Français. ⟨pastel-00000829⟩



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