A new Thomson Spectrometer for high energy laser-driven beams diagnostic

G. A.P. Cirrone*, A. Tramontana, G. Candiano, M. Carpinelli, S. Cavallaro, M. Cutroneo, G. Cuttone, C. De Martinis, D. Giove, J. Krása, G. Korn, M. Maggiore, D. Margarone, P. Pisciotta, J. Prokůpek, F. Romano, F. Schillaci, V. Scuderi, L. Torrisi, A. Velyhan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Thomson Spectrometers (TPs) are widely used for beam diagnostic as they provide simultaneous information on charge over mass ratio, energy and momentum of detected ions. A new TP design has been realized at INFN-LNS within the LILIA (Laser Induced Light Ion Acceleration) and ELIMED (MEDical application at ELI-Beamlines) projects. This paper reports on the construction details of the TP and on its experimental tests performed at PALS laboratory in Prague, with the ASTERIX IV laser system. Reported data are obtained with polyethylene and polyvinyl alcohol solid targets, they have been compared with data obtained from other detectors. Consistency among results confirms the correct functioning of the new TP. The main features, characterizing the design, are a wide acceptance of the deflection sector and a tunability of the, partially overlapping, magnetic and electric fields that allow to resolve ions with energy up to about 40 MeV for protons.

Original languageEnglish
Article numberT08001
JournalJournal of Instrumentation
Issue number8
Publication statusPublished - 01 Aug 2014
Externally publishedYes


  • Data processing methods
  • Heavy-ion detectors
  • Plasma diagnostics - charged-particle spectroscopy
  • Wake-field acceleration (laser-driven electron-driven)

ASJC Scopus subject areas

  • Mathematical Physics
  • Instrumentation

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