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Title: Active manipulation of the spatial energy distribution of laser-accelerated proton beams

Abstract

The spatial energy distributions of beams of protons accelerated by ultrahigh intensity (>10{sup 19} W/cm{sup 2}) picosecond laser pulse interactions with thin foil targets are investigated. Using separate, low intensity (<10{sup 13} W/cm{sup 2}) nanosecond laser pulses, focused onto the front surface of the target foil prior to the arrival of the high intensity pulse, it is demonstrated that the proton beam profile can be actively manipulated. In particular, results obtained with an annular intensity distribution at the focus of the low intensity beam are presented, showing smooth proton beams with a sharp circular boundary at all energies, which represents a significant improvement in the beam quality compared to irradiation with the picosecond beam alone.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;  [1]
  1. SUPA, Department of Physics, University of Strathclyde, Glasgow G4 0NG (United Kingdom)
Publication Date:
OSTI Identifier:
21101959
Resource Type:
Journal Article
Journal Name:
Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics (Print)
Additional Journal Information:
Journal Volume: 76; Journal Issue: 6; Other Information: DOI: 10.1103/PhysRevE.76.065401; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1539-3755
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ENERGY SPECTRA; FOILS; IRRADIATION; LASERS; PROTON BEAMS; PROTONS; PULSES

Citation Formats

Carroll, D C, McKenna, P, Lundh, O, Lindau, F, Wahlstroem, C -G, Bandyopadhyay, S, Pepler, D, Neely, D, Kar, S, Simpson, P T, Markey, K, Zepf, M, Bellei, C, Evans, R G, Redaelli, R, Batani, D, Xu, M H, Li, Y T, Department of Physics, Lund University, P.O. Box 118, S-22100 Lund, STFC, Rutherford Appleton Laboratory, Didcot OX11 0QX, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN, The Blackett Laboratory, Imperial College London, London, SW7 2AZ, Dipartimento di Fisica, Universita di Milano Bicocca, 20126 Milano, and Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080. Active manipulation of the spatial energy distribution of laser-accelerated proton beams. United States: N. p., 2007. Web. doi:10.1103/PHYSREVE.76.065401.
Carroll, D C, McKenna, P, Lundh, O, Lindau, F, Wahlstroem, C -G, Bandyopadhyay, S, Pepler, D, Neely, D, Kar, S, Simpson, P T, Markey, K, Zepf, M, Bellei, C, Evans, R G, Redaelli, R, Batani, D, Xu, M H, Li, Y T, Department of Physics, Lund University, P.O. Box 118, S-22100 Lund, STFC, Rutherford Appleton Laboratory, Didcot OX11 0QX, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN, The Blackett Laboratory, Imperial College London, London, SW7 2AZ, Dipartimento di Fisica, Universita di Milano Bicocca, 20126 Milano, & Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080. Active manipulation of the spatial energy distribution of laser-accelerated proton beams. United States. https://doi.org/10.1103/PHYSREVE.76.065401
Carroll, D C, McKenna, P, Lundh, O, Lindau, F, Wahlstroem, C -G, Bandyopadhyay, S, Pepler, D, Neely, D, Kar, S, Simpson, P T, Markey, K, Zepf, M, Bellei, C, Evans, R G, Redaelli, R, Batani, D, Xu, M H, Li, Y T, Department of Physics, Lund University, P.O. Box 118, S-22100 Lund, STFC, Rutherford Appleton Laboratory, Didcot OX11 0QX, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN, The Blackett Laboratory, Imperial College London, London, SW7 2AZ, Dipartimento di Fisica, Universita di Milano Bicocca, 20126 Milano, and Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080. 2007. "Active manipulation of the spatial energy distribution of laser-accelerated proton beams". United States. https://doi.org/10.1103/PHYSREVE.76.065401.
@article{osti_21101959,
title = {Active manipulation of the spatial energy distribution of laser-accelerated proton beams},
author = {Carroll, D C and McKenna, P and Lundh, O and Lindau, F and Wahlstroem, C -G and Bandyopadhyay, S and Pepler, D and Neely, D and Kar, S and Simpson, P T and Markey, K and Zepf, M and Bellei, C and Evans, R G and Redaelli, R and Batani, D and Xu, M H and Li, Y T and Department of Physics, Lund University, P.O. Box 118, S-22100 Lund and STFC, Rutherford Appleton Laboratory, Didcot OX11 0QX and School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN and The Blackett Laboratory, Imperial College London, London, SW7 2AZ and Dipartimento di Fisica, Universita di Milano Bicocca, 20126 Milano and Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080},
abstractNote = {The spatial energy distributions of beams of protons accelerated by ultrahigh intensity (>10{sup 19} W/cm{sup 2}) picosecond laser pulse interactions with thin foil targets are investigated. Using separate, low intensity (<10{sup 13} W/cm{sup 2}) nanosecond laser pulses, focused onto the front surface of the target foil prior to the arrival of the high intensity pulse, it is demonstrated that the proton beam profile can be actively manipulated. In particular, results obtained with an annular intensity distribution at the focus of the low intensity beam are presented, showing smooth proton beams with a sharp circular boundary at all energies, which represents a significant improvement in the beam quality compared to irradiation with the picosecond beam alone.},
doi = {10.1103/PHYSREVE.76.065401},
url = {https://www.osti.gov/biblio/21101959}, journal = {Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics (Print)},
issn = {1539-3755},
number = 6,
volume = 76,
place = {United States},
year = {Sat Dec 15 00:00:00 EST 2007},
month = {Sat Dec 15 00:00:00 EST 2007}
}