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Scintillator-based ion beam profiler for diagnosing laser-accelerated ion beams

Green, JS, Borghesi, M, Brenner, CM, Carroll, DC, Dover, NP, Foster, PS, Gallegos, P, Green, S, Kirby, D and Kirkby, KJ (2011) Scintillator-based ion beam profiler for diagnosing laser-accelerated ion beams Proceedings of SPIE - The International Society for Optical Engineering, 8079. ISSN 0277-786X

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Abstract

Next generation intense, short-pulse laser facilities require new high repetition rate diagnostics for the detection of ionizing radiation. We have designed a new scintillator-based ion beam profiler capable of measuring the ion beam transverse profile for a number of discrete energy ranges. The optical response and emission characteristics of four common plastic scintillators has been investigated for a range of proton energies and fluxes. The scintillator light output (for 1 MeV > Ep < 28 MeV) was found to have a non-linear scaling with proton energy but a linear response to incident flux. Initial measurements with a prototype diagnostic have been successful, although further calibration work is required to characterize the total system response and limitations under the high flux, short pulse duration conditions of a typical high intensity laser-plasma interaction.

Item Type: Article
Additional Information: Copyright 2011 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Divisions: Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Ion Beam Centre
Depositing User: Symplectic Elements
Date Deposited: 15 Dec 2011 13:57
Last Modified: 23 Sep 2013 18:52
URI: http://epubs.surrey.ac.uk/id/eprint/7835

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