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Hannover 2010 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 27: Ultrashort Laser Pulses: Applications I

Q 27.7: Talk

Wednesday, March 10, 2010, 12:00–12:15, F 342

Proton, Electron and K-Alpha Emission from Micro-Scale Copper Cone Targets — •Thomas Kluge1, Sandrine Gaillard1, Kirk Flippo2, Michael Bussmann1, Yasuhiko Sentoku5, Eduardo Mucino6, Mariano Lowenstern6, Cort Gautier2, John Kline2, Dustin Offermann2, Jonathan Workman2, Fred Archuleta2, Raymond Gonzales2, Thomas Hurry2, Randall Johnson2, Samuel Letzring2, David Montgomery2, Sha-Marie Reid2, Tsutomu Shimada2, Brady Gall3, Thomas Lockard5, Emmanuel d'Humieres4, Tomas Cowan1, and Jenny Rassuchine11Forschungszentrum Dresden-Rossendorf e.V., Dresden, Sachsen — 2Los Alamos National Laboratory, Los Alamos, USA — 3University of Missouri, Columbia, USA — 4CELIA, Université Bordeaux, France — 5University of Nevada, Reno, USA — 6AOSS, Ann Arbor, USA

We have conducted two sets of laser-ion acceleration experiments at the LANL 200 TW Trident short-pulse laser comparing regular size flat foils, reduced mass targets and new Cu micro-cone targets to elucidate the production of hot electrons and ions in these targets. Results from the latest experiment show proton energies in excess of ~65 MeV for the cones, compared to ~55 MeV for reduced mass targets and ~45 MeV for regular flat foils for high contrast. Data from a Cu Kα 2D imaging crystal, an X-ray single hit CCD, proton beam images on RCF film stacks, and an electron/proton spectrometer are presented.

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