Berlin 2005 – wissenschaftliches Programm
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SYLP: Relativistische Laser-Plasma-Physik
SYLP 3: Poster zum Symposium Relativistische Laser-Plasma-Physik
SYLP 3.5: Poster
Samstag, 5. März 2005, 10:00–17:00, HU Senatssaal
Plasma mirror using high intensity few-cycle laser pulses — •Laszlo Veisz1, Yutaka Nomura1, Karl Schmid1, Ferenc Krausz1, and Tibor Wittmann2 — 1Max-Planck-Inst. of Quantum Optics, Hans-Kopfermann-Str. 1, D-85748 Garching, Germany — 2LULI, Ecole Polytechnique, F-91128 Palaiseau, France
Ultrahigh intensity lasers have undesirable prepulses and pedestal (long background pulse). The contrast (ratio between the intensities of the prepulses or pedestal and the main pulse) becomes very important at relativistic laser-plasma interactions. The prepulses/pedestal already generate preplasma and the main pulse does not interact with a steep plasma. Plasma mirror is a good alternative to improve the contrast of these lasers. We generated, characterized and optimized a plasma mirror for high intensity few-cycle laser pulses. The typical characteristics as reflectivity of the mirror, focusability, contrast improvement and temporal structure of the reflected beam will be presentred. Some applications will be discussed.