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Laser accelerated ions and electron transport in ultra-intense laser matter interaction

Published online by Cambridge University Press:  02 June 2005

M. ROTH
Affiliation:
University of Technology, Darmstadt, Germany
E. BRAMBRINK
Affiliation:
University of Technology, Darmstadt, Germany
P. AUDEBERT
Affiliation:
Laboratoire pour l'Utilisation des Lasers Intense, Paris, France
A. BLAZEVIC
Affiliation:
University of Technology, Darmstadt, Germany
R. CLARKE
Affiliation:
Rutherford Appleton Laboratory, London, United Kingdom
J. COBBLE
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM
T.E. COWAN
Affiliation:
University of Nevada, Reno, NV
J. FERNANDEZ
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM
J. FUCHS
Affiliation:
Laboratoire pour l'Utilisation des Lasers Intense, Paris, France University of Nevada, Reno, NV
M. GEISSEL
Affiliation:
University of Technology, Darmstadt, Germany Sandia National Laboratory, Albuquerque, NM
D. HABS
Affiliation:
Ludwigs Maximilian Universität, München, Germany
M. HEGELICH
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM
S. KARSCH
Affiliation:
Rutherford Appleton Laboratory, London, United Kingdom
K. LEDINGHAM
Affiliation:
University of Strathclyde, Glascow, United Kingdom
D. NEELY
Affiliation:
Rutherford Appleton Laboratory, London, United Kingdom
H. RUHL
Affiliation:
University of Nevada, Reno, NV
T. SCHLEGEL
Affiliation:
Gesellschaft für Schwerionenforschung, Darmstadt, Germany
J. SCHREIBER
Affiliation:
Ludwigs Maximilian Universität, München, Germany

Abstract

Since their discovery, laser accelerated ion beams have been the subject of great interest. The ion beam peak power and beam emittance is unmatched by any conventionally accelerated ion beam. Due to the unique quality, a wealth of applications has been proposed, and the first experiments confirmed their prospects. Laser ion acceleration is strongly linked to the generation and transport of hot electrons by the interaction of ultra-intense laser light with matter. Comparing ion acceleration experiments at laser systems with different beam parameters and using targets of varying thickness, material and temperature, some insight on the underlying physics can be obtained. The paper will present experimental results obtained at different laser systems, first beam quality measurement on laser accelerated heavy ions, and ion beam source size measurements at different laser parameters. Using structured targets, we compare information obtained from micro patterned ion beams about the accelerating electron sheath, and the influence of magnetic fields on the electron transport inside conducting targets.

Type
Research Article
Copyright
2005 Cambridge University Press

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