Bonn 2010 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 68: Beschleunigerphysik V

HK 68.5: Vortrag

Freitag, 19. März 2010, 15:05–15:20, HG ÜR 4

A high harmonic source for seeding the free electron laser FLASH in the XUV range — •Armin Azima1, Joern Boedewadt1, Francesca Curbis1, Hossein Delsim-Hashemi1, Markus Drescher1, Theophilos Maltezopoulos1, Velizar Miltchev1, Manuel Mittenzwey1, Michael Schulz1, Joerg Rosbach1, Roxana Tarkeshian1, Marek Wieland1, Sasa Bajt2, Stefan Duesterer2, Joseph Feldhaus2, Katja Honkavaara2, Tim Laarmann2, Holger Schlarb2, Atoosa Meseck3, Rasmus Ischebeck4, and Shaukat Khan51Universitaet Hamburg, Germany — 2Deutsches Elektronen Synchrotron DESY, Hamburg, Germany — 3Helmholtz-Zentrum Berlin, Germany — 4PSI, Villingen, Switzerland — 5DELTA, Dortmund, Germany

Free electron lasers (FELs) are powerful sources for efficient XUV generation. They deliver very intense femtosecond pulses in the XUV and X-ray regime, which can be used for a wide range of experiments from material science to time resolved atomic physics. Presently, XUV and X-ray FELs start lasing from an electron bunch in an undulator by means of spontaneous emission of synchrotron radiation (SASE). At the FEL facility FLASH (Free electron LASer at Hamburg) it is planned to seed an FEL for the first time in a wavelength range below 40 nm with a laser driven higher harmonics generation (HHG) source. We present the seeding concept and characterization measurements for the newly developed HHG source. Further we will motivate, how future time resolved ultrashort experiments will benefit from seeded FELs.

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