Characterization of the ELIMED Permanent Magnets Quadrupole system prototype with laser-driven proton beams

F. Schillaci, L. Pommarel, F. Romano, G. Cuttone, M. Costa, D. Giove, M. Maggiore, A. D. Russo, V. Scuderi, V. Malka, B. Vauzour, A. Flacco, G. A. P. Cirrone

Research output: Contribution to journalArticlepeer-review

Abstract

Laser-based accelerators are gaining interest in recent years as an alternative to conventional machines [1]. In the actual ion acceleration scheme, energy and angular spread of the laser-driven beams are the main limiting factors for beam applications and different solutions for dedicated beam-transport lines have been proposed [2, 3]. In this context a system of Permanent Magnet Quadrupoles (PMQs) has been realized [4] by INFN-LNS (Laboratori Nazionali del Sud of the Instituto Nazionale di Fisica Nucleare) researchers, in collaboration with SIGMAPHI company in France, to be used as a collection and pre-selection system for laser driven proton beams. This system is meant to be a prototype to a more performing one [5] to be installed at ELI-Beamlines for the collection of ions. The final system is designed for protons and carbons up to 60 MeV/u. In order to validate the design and the performances of this large bore, compact, high gradient magnetic system prototype an experimental campaign have been carried out, in collaboration with the group of the SAPHIR experimental facility at LOA (Laboratoire d'Optique Appliquee) in Paris using a 200 TW Ti:Sapphire laser system. During this campaign a deep study of the quadrupole system optics has been performed, comparing the results with the simulation codes used to determine the setup of the PMQ system and to track protons with realistic TNSA-like divergence and spectrum. Experimental and simulation results are good agreement, demonstrating the possibility to have a good control on the magnet optics. The procedure used during the experimental campaign and the most relevant results are reported here.

Original languageEnglish
Article number07005
Number of pages15
JournalJournal of Instrumentation
Volume11
Issue number7
DOIs
StatePublished - 21 Jul 2016
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Mathematical Physics

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