Bonn 2010 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 38: Beschleunigerphysik VIII

HK 38.2: Gruppenbericht

Mittwoch, 17. März 2010, 14:15–14:35, HG ÜR 8

Challenges for an application-ready, high charge laser electron accelerator — •Stefan Karsch, A. Popp, M. Heigolt, J. Wenz, K. Khrennikov, S-W. Chou, Zs. Major, M. Fuchs, R. Weingartner, A. Meier, P. Polzer, T. Weineisen, F. Grüner, and F. Krauß — Fakultät für Physik Ludwig-Maximilians-Universität München & Max-Planck-Institut für Quantenoptik

Laser-wakefield electron acceleration has experienced a breathtaking progress over the past five years since the first experimental demonstration of quasi-monoenergetic electron spectra from such an accelerator. The GeV frontier has been overcome, and sort-of-stable operation has been reported from several groups. In our group, this has recently led to the first demonstration of soft X-ray undulator radiation from a laser-driven source, which raises hopes towards reaching higher photon energies and/or FEL operation. Especially for the latter, the challenges nevertheless are formidable. Current laser driven electron bunches lack at least a factor of 10 in both charge and spectral purity, and are not yet fully characterized in their temporal properties. We will outline our future experimental approach to tackle these issues and develop first application-ready all-optical radiation sources.

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DPG-Physik > DPG-Verhandlungen > 2010 > Bonn