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Proceedings Paper

Stable, polarized betatron radiation: x-ray absorption spectroscopy in WDM unveiling ultrafast electron heating (Conference Presentation)
Author(s): Benoît Mahieu; Andreas S. Doepp; Agustin Lifschitz; Antoine Doche; Cédric Thaury; Sébastien Corde; Julien Gautier; Emilien Guillaume; Victor Malka; Antoine Rousse; Noémie Jourdain; Ludovic Lecherbourg; Fabien Dorchies; Kim Ta Phuoc
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Paper Abstract

Betatron radiation from laser-plasma accelerators reproduces the principle of a synchrotron on a millimeter scale, but featuring femtosecond duration. Here we present the outcome of our latest developments, which now allow us to produce stable and polarized X-ray bursts. Moreover, the X-ray polarization can simply be adjusted by tuning the polarization of the laser driving the process. The excellent stability of the source is expressed in terms of pointing, flux, transverse distribution and critical energy of the spectrum. These combined features make our betatron source particularly suitable for applications in ultrafast X-ray science. In this presentation we will describe the generation process, relying on the ionization injection scheme for laser-plasma acceleration. We will show experimental measurements, numerical results and first applications in time-resolved spectroscopy.

Paper Details

Date Published: 21 June 2017
PDF: 1 pages
Proc. SPIE 10234, Relativistic Plasma Waves and Particle Beams as Coherent and Incoherent Radiation Sources II, 1023404 (21 June 2017); doi: 10.1117/12.2265874
Show Author Affiliations
Benoît Mahieu, Lab. d'Optique Appliquée (France)
Andreas S. Doepp, Lab. d'Optique Appliquée (France)
Agustin Lifschitz, Lab. d'Optique Appliquée (France)
Antoine Doche, Lab. d'Optique Appliquée (France)
Cédric Thaury, Lab. d'Optique Appliquée (France)
Sébastien Corde, Lab. d'Optique Appliquée (France)
Julien Gautier, Lab. d'Optique Appliquée (France)
Emilien Guillaume, Lab. d'Optique Appliquée (France)
Victor Malka, Lab. d'Optique Appliquée (France)
Antoine Rousse, Lab. d'Optique Appliquée (France)
Noémie Jourdain, Commissariat à l'Énergie Atomique (France)
Ludovic Lecherbourg, Commissariat à l'Énergie Atomique (France)
Fabien Dorchies, Ctr. Lasers Intenses et Applications (France)
Kim Ta Phuoc, Lab. d'Optique Appliquée (France)


Published in SPIE Proceedings Vol. 10234:
Relativistic Plasma Waves and Particle Beams as Coherent and Incoherent Radiation Sources II
Dino A. Jaroszynski, Editor(s)

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