This article reports on an experimental method to fully reconstruct laser-accelerated proton beam parameters called radiochromic film imaging spectroscopy (RIS). RIS allows for the characterization of proton beams concerning real and virtual source size, envelope- and microdivergence, normalized transverse emittance, phase space, and proton spectrum. This technique requires particular targets and a high resolution proton detector. Therefore thin gold foils with a microgrooved rear side were manufactured and characterized. Calibrated GafChromic radiochromic film (RCF) types MD-55, HS, and HD-810 in stack configuration were used as spatial and energy resolved film detectors. The principle of the RCF imaging spectroscopy was demonstrated at four different laser systems. This can be a method to characterize a laser system with respect to its proton-acceleration capability. In addition, an algorithm to calculate the spatial and energy resolved proton distribution has been developed and tested to get a better idea of laser-accelerated proton beams and their energy deposition with respect to further applications.
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March 2009
Research Article|
March 10 2009
Radiochromic film imaging spectroscopy of laser-accelerated proton beams
F. Nürnberg;
F. Nürnberg
a)
1Institut für Kernphysik,
Technische Universität Darmstadt
, Schlossgartenstr. 9, 64289 Darmstadt, Germany
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M. Schollmeier;
M. Schollmeier
1Institut für Kernphysik,
Technische Universität Darmstadt
, Schlossgartenstr. 9, 64289 Darmstadt, Germany
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E. Brambrink;
E. Brambrink
2Laboratoire pour l’Utilisation des Lasers Intenses,
Ecole Polytechnique
, 91128 Palaiseau, France
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A. Blažević;
A. Blažević
3
GSI Helmholtzzentrum für Schwerionenforschung
, Planckstr. 1, 64291 Darmstadt, Germany
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D. C. Carroll;
D. C. Carroll
4Department of Physics, University of Strathclyde,
SUPA
, Glasgow G4 0NG, United Kingdom
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K. Flippo;
K. Flippo
5
Los Alamos National Laboratory
, Los Alamos, New Mexico 87544, USA
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D. C. Gautier;
D. C. Gautier
5
Los Alamos National Laboratory
, Los Alamos, New Mexico 87544, USA
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M. Geißel;
M. Geißel
6
Sandia National Laboratories
, Albuquerque, New Mexico 87185, USA
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K. Harres;
K. Harres
1Institut für Kernphysik,
Technische Universität Darmstadt
, Schlossgartenstr. 9, 64289 Darmstadt, Germany
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B. M. Hegelich;
B. M. Hegelich
5
Los Alamos National Laboratory
, Los Alamos, New Mexico 87544, USA
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O. Lundh;
O. Lundh
7Department of Physics,
Lund University
, P.O. Box 118, S-22100 Lund, Sweden
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K. Markey;
K. Markey
8School of Mathematics and Physics,
Queens University Belfast
, Belfast BT7 1NN, United Kingdom
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P. McKenna;
P. McKenna
4Department of Physics, University of Strathclyde,
SUPA
, Glasgow G4 0NG, United Kingdom
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D. Neely;
D. Neely
9Rutherford Appleton Laboratory,
STFC
, Didcot OX11 0QX, United Kingdom
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J. Schreiber;
J. Schreiber
10Fakultät für Physik,
Ludwig-Maximilians-Universität
, Am Coulombwall 1, 85748 Garching, Germany
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M. Roth
M. Roth
1Institut für Kernphysik,
Technische Universität Darmstadt
, Schlossgartenstr. 9, 64289 Darmstadt, Germany
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a)
Electronic mail: f.nuernberg@gsi.de.
Rev. Sci. Instrum. 80, 033301 (2009)
Article history
Received:
December 03 2008
Accepted:
February 01 2009
Citation
F. Nürnberg, M. Schollmeier, E. Brambrink, A. Blažević, D. C. Carroll, K. Flippo, D. C. Gautier, M. Geißel, K. Harres, B. M. Hegelich, O. Lundh, K. Markey, P. McKenna, D. Neely, J. Schreiber, M. Roth; Radiochromic film imaging spectroscopy of laser-accelerated proton beams. Rev. Sci. Instrum. 1 March 2009; 80 (3): 033301. https://doi.org/10.1063/1.3086424
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