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

J. S. Green; M. Borghesi; C. M. Brenner; D. C. Carroll; N. P. Dover; P. S. Foster; P. Gallegos; S. Green; D. Kirby; K. J. Kirkby; P. McKenna; M. J. Merchant; Z. Najmudin; C. A. J. Palmer; D. Parker; R. Prasad; K. E. Quinn; P. P. Rajeev; M. P. Read; L. Romagnani; J. Schreiber; M. J. V. Streeter; O. Tresca; C.-G. Wahlström; M. Zepf; David Neely

doi:10.1117/12.888967

25 May 2011 Scintillator-based ion beam profiler for diagnosing laser-accelerated ion beams

J. S. Green, M. Borghesi, C. M. Brenner, D. C. Carroll, N. P. Dover, P. S. Foster, P. Gallegos, S. Green, D. Kirby, K. J. Kirkby, P. McKenna, M. J. Merchant, Z. Najmudin, C. A. J. Palmer, D. Parker, R. Prasad, K. E. Quinn, P. P. Rajeev, M. P. Read, L. Romagnani, J. Schreiber, M. J. V. Streeter, O. Tresca, C.-G. Wahlström, M. Zepf, David Neely

Author Affiliations +

Proceedings Volume 8079, Laser Acceleration of Electrons, Protons, and Ions; and Medical Applications of Laser-Generated Secondary Sources of Radiation and Particles; 807919 (2011) https://doi.org/10.1117/12.888967
Event: SPIE Optics + Optoelectronics, 2011, Prague, Czech Republic

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 > E_p < 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.

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J. S. Green, M. Borghesi, C. M. Brenner, D. C. Carroll, N. P. Dover, P. S. Foster, P. Gallegos, S. Green, D. Kirby, K. J. Kirkby, P. McKenna, M. J. Merchant, Z. Najmudin, C. A. J. Palmer, D. Parker, R. Prasad, K. E. Quinn, P. P. Rajeev, M. P. Read, L. Romagnani, J. Schreiber, M. J. V. Streeter, O. Tresca, C.-G. Wahlström, M. Zepf, and David Neely "Scintillator-based ion beam profiler for diagnosing laser-accelerated ion beams", Proc. SPIE 8079, Laser Acceleration of Electrons, Protons, and Ions; and Medical Applications of Laser-Generated Secondary Sources of Radiation and Particles, 807919 (25 May 2011); https://doi.org/10.1117/12.888967

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