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          Institute: MPI für Quantenoptik     Collection: Theory     Display Documents



ID: 28911.0, MPI für Quantenoptik / Theory
The generation of high-quality, intense ion beams by ultra- intense lasers
Authors:Roth, M.; Allen, M.; Audebert, P.; Blazevic, A.; Brambrink, E.; Cowan, T. E.; Fuchs, J.; Gauthier, J. C.; Geissel, M.; Hegelich, M.; Karsch, S.; Meyer-ter-Vehn, J.; Ruhl, H.; Schlegel, T.; Stephens, R. B.
Language:English
Date of Publication (YYYY-MM-DD):2002-12
Title of Journal:Plasma Physics and Controlled Fusion
Journal Abbrev.:Plasma Phys. Control. Fusion
Volume:44
Issue / Number:Suppl. 12B
Start Page:B99
End Page:B108
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:Intense beams of protons and heavy ions have been observed in ultra-intense laser-solid interaction experiments. Thereby, a considerable fraction of the laser energy is transferred to collimated beams of energetic ions (e.g. UP to 50MeV protons; 100MeV fluorine), which makes these beams highly interesting for various applications. Experimental results indicate a very short-pulse duration and an excellent beam quality, leading to beam intensities in the TW range. To characterize the beam quality and its dependence on laser parameters and target conditions we performed experiments using the 100 TW laser system at Laboratoire pour l'Utilisation des Lasers Intenses at the Ecole Polytechnique, France, with focused intensities exceeding 1019 W cm-2. We found a strong dependence on the target rear surface conditions allowing to tailor the ion beam by an appropriate target design. We also succeeded in the generation of heavy ion beams by suppressing the proton amount at the target surface. We will present recent experimental results demonstrating a transverse beam emittance far superior to the accelerator based ion beams. Finally, we will discuss the prospect of laser accelerated ion beams as new diagnostics in laser-solid interaction experiments. Special fields of interest are proton radiography, electric field imaging, and relativistic electron transport inside the target.
External Publication Status:published
Document Type:Article
Communicated by:J. Ignacio Cirac
Affiliations:MPI für Quantenoptik/Theory/Laser Plasma Theory
External Affiliations:Gesell Schwerionenforsch mbH, D-64291 Darmstadt, Germany; Gen Atom Co, San Diego, CA 92186 USA; Lab Utilisat Lasers Intenses, F-91128 Palaiseau, France;
Identifiers:ISI:000180907400011
ISSN:0741-3335
URL:http://stacks.iop.org/0741-3335/44/99
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