Berlin 2005 – wissenschaftliches Programm

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K: Kurzzeitphysik

K 6: Poster

K 6.8: Poster

Montag, 7. März 2005, 16:45–18:00, Poster HU

Optimization of a laser-plasma-based X-ray source — •Flavio Zamponi, Tino Kämpfer, Ralf Netz, Truong Nguyen Xuan, Andrea Lübcke, Andreas Morak, Ingo Uschmann, Eckhart Förster, and Roland Sauerbrey — Institut für Optik und Quantenelektronik, Jena

Results concerning the optimization of X-ray photons yield of a laser-plasma-based source are reported.

The laser, a 1kHz repetition rate, 55fs pulse duration, 3.5mJ energy per pulse Ti:Sa, was focused on a tape target of different materials (titanium, copper and chromium were employed) at intensities higher than 10¹⁷W/cm². K_α and K_β lines and Bremsstrahlung radiation were excited. A parabola or a long focal lens were used as focusing elements. An X-ray yield of about 6 · 10¹⁰ph/s was found for titanium target.