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Title: Lateral Electron Transport in High-Intensity Laser-Irradiated Foils Diagnosed by Ion Emission

Abstract

An experimental investigation of lateral electron transport in thin metallic foil targets irradiated by ultraintense ({>=}10{sup 19} W/cm{sup 2}) laser pulses is reported. Two-dimensional spatially resolved ion emission measurements are used to quantify electric-field generation resulting from electron transport. The measurement of large electric fields ({approx}0.1 TV/m) millimeters from the laser focus reveals that lateral energy transport continues long after the laser pulse has decayed. Numerical simulations confirm a very strong enhancement of electron density and electric field at the edges of the target.

Authors:
 [1];  [2]; ; ; ;  [1]; ; ;  [3];  [3];  [2]; ; ;  [4]; ;  [5]
  1. SUPA, Department of Physics, University of Strathclyde, Glasgow G4 0NG (United Kingdom)
  2. (United Kingdom)
  3. CCLRC, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX14 0QX (United Kingdom)
  4. Department of Physics, Lund University, P.O. Box 118, S-22100 Lund (Sweden)
  5. Department of Physics and Astronomy, Queen's University Belfast, Belfast BT7 1NN (United Kingdom)
Publication Date:
OSTI Identifier:
20951212
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review Letters; Journal Volume: 98; Journal Issue: 14; Other Information: DOI: 10.1103/PhysRevLett.98.145001; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 43 PARTICLE ACCELERATORS; CHARGED-PARTICLE TRANSPORT; ELECTRIC FIELDS; ELECTRON DENSITY; ELECTRONS; FOILS; ION EMISSION; IRRADIATION; LASERS; PULSES; SIMULATION; TWO-DIMENSIONAL CALCULATIONS

Citation Formats

McKenna, P., CCLRC, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX14 0QX, Carroll, D. C., Ledingham, K. W. D., McCanny, T., Robson, L., Clarke, R. J., Neely, D., Robinson, A. P. L., Evans, R. G., Department of Physics, Imperial College, London, SW7 2AZ, Lindau, F., Lundh, O., Wahlstroem, C.-G., Simpson, P. T., and Zepf, M. Lateral Electron Transport in High-Intensity Laser-Irradiated Foils Diagnosed by Ion Emission. United States: N. p., 2007. Web. doi:10.1103/PHYSREVLETT.98.145001.
McKenna, P., CCLRC, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX14 0QX, Carroll, D. C., Ledingham, K. W. D., McCanny, T., Robson, L., Clarke, R. J., Neely, D., Robinson, A. P. L., Evans, R. G., Department of Physics, Imperial College, London, SW7 2AZ, Lindau, F., Lundh, O., Wahlstroem, C.-G., Simpson, P. T., & Zepf, M. Lateral Electron Transport in High-Intensity Laser-Irradiated Foils Diagnosed by Ion Emission. United States. doi:10.1103/PHYSREVLETT.98.145001.
McKenna, P., CCLRC, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX14 0QX, Carroll, D. C., Ledingham, K. W. D., McCanny, T., Robson, L., Clarke, R. J., Neely, D., Robinson, A. P. L., Evans, R. G., Department of Physics, Imperial College, London, SW7 2AZ, Lindau, F., Lundh, O., Wahlstroem, C.-G., Simpson, P. T., and Zepf, M. Fri . "Lateral Electron Transport in High-Intensity Laser-Irradiated Foils Diagnosed by Ion Emission". United States. doi:10.1103/PHYSREVLETT.98.145001.
@article{osti_20951212,
title = {Lateral Electron Transport in High-Intensity Laser-Irradiated Foils Diagnosed by Ion Emission},
author = {McKenna, P. and CCLRC, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX14 0QX and Carroll, D. C. and Ledingham, K. W. D. and McCanny, T. and Robson, L. and Clarke, R. J. and Neely, D. and Robinson, A. P. L. and Evans, R. G. and Department of Physics, Imperial College, London, SW7 2AZ and Lindau, F. and Lundh, O. and Wahlstroem, C.-G. and Simpson, P. T. and Zepf, M.},
abstractNote = {An experimental investigation of lateral electron transport in thin metallic foil targets irradiated by ultraintense ({>=}10{sup 19} W/cm{sup 2}) laser pulses is reported. Two-dimensional spatially resolved ion emission measurements are used to quantify electric-field generation resulting from electron transport. The measurement of large electric fields ({approx}0.1 TV/m) millimeters from the laser focus reveals that lateral energy transport continues long after the laser pulse has decayed. Numerical simulations confirm a very strong enhancement of electron density and electric field at the edges of the target.},
doi = {10.1103/PHYSREVLETT.98.145001},
journal = {Physical Review Letters},
number = 14,
volume = 98,
place = {United States},
year = {Fri Apr 06 00:00:00 EDT 2007},
month = {Fri Apr 06 00:00:00 EDT 2007}
}