Hannover 2010 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 21: Poster I

Q 21.67: Poster

Tuesday, March 9, 2010, 16:00–19:00, Lichthof

Raman-Nath-Description of the Free-Electron Laser — •Matthias Knobl and Wolfgang P. Schleich — Institut für Quantenphysik, Universität Ulm, D-89069 Ulm, Germany

The free-electron laser (FEL) is an alternative laser device with a widely tunable wavelength of the emitted radiation. Most FEL’s operate in the regime of classical physics where quantum physical descriptions are not needed. Since recent projects are trying to go beyond the classical limit, we discuss the quantum mechanical regime of the FEL, using an approach based on a set of Lie-algebraic operators. This leads to the spherical Raman-Nath equation of the FEL.