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Darmstadt 2016 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 15: PWA and self modulation

AKBP 15.6: Talk

Thursday, March 17, 2016, 17:45–18:00, S1/05 24

Single-shot betatron source size measurement from a laser-wakefield accelerator — •Alexander Köhler1,2, Jurjen Couperus1,2, Omid Zarini1,2, Axel Jochmann1, Arie Irman1, and Ulrich Schramm1,21Helmholtz-Zentrum Dresden - Rossendorf, Bautzner Landstr. 400, 01328 Dresden — 2Technische Universität Dresden, 01062 Dresden

Betatron radiation emitted by accelerated electrons in laser-wakefield accelerators can be used as a diagnostic tool to investigate electron dynamics during the acceleration process. We analyse the spectral characteristics of the emitted betatron pattern utilizing a 2D x-ray imaging spectroscopy technique. Together with simultaneously recorded electron spectra and x-ray images, the betatron source size, thus the electron beam radius, can be deduced at every shot.

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