DEVELOPMENT OF LASER BASED SYNCHROTRON X-RAY SOURCE

Abstract : By focusing an ultraintense laser onto a helium gaz jet, a collimated beam of ultrafast broadband X-ray radiation can now be generated. The X-ray radiation results from the betatron oscillations of relativistic electrons in the laser created plasma channel. Thus, just as in a synchrotron, the spectral and flux properties of the X-ray beam can be linked to the electron beam through the plasma wiggler strength. The radiation has been observed within 1-10 keV with filters and presents a divergence of as low as 20 mrad. In addition, this source possesses the unique properties to be ultrafast and perfectly synchronized with the laser system, which opens the way toward new types of pump probe experiments.
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https://hal-polytechnique.archives-ouvertes.fr/hal-00516637
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Submitted on : Friday, September 10, 2010 - 2:37:26 PM
Last modification on : Wednesday, July 3, 2019 - 10:48:02 AM

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Felicie Albert, Rahul Shah, Kim Ta Phuoc, Frédéric Burgy, Jean-Philippe Rousseau, et al.. DEVELOPMENT OF LASER BASED SYNCHROTRON X-RAY SOURCE. International Journal of Modern Physics B, World Scientific Publishing, 2007, 21 (3-4), pp.497-507. ⟨10.1142/S021797920704229X⟩. ⟨hal-00516637⟩

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