Measurements of the highest acceleration gradient for ions produced with a long laser pulse

D. Margarone*, J. Krasa, L. Laska, A. Velyhan, T. Mocek, J. Prokupek, E. Krousky, M. Pfeifer, S. Gammino, L. Torrisi, J. Ullschmied, B. Rus

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


Ultrafast plasma light ion streams have been produced using the 300 ps, kJ-class iodine laser, operating at PALS Centre in Prague. Ion detection was performed through standard ion collectors (IC) in time-of-flight configuration (TOF), shielded by thin metallic absorbers. This new diagnostics technique has been theoretically studied and experimentally tested in order to cut the long photopeak contribution and to analyze the ultrafast particle signal. Processing the obtained experimental IC-TOF data, including deconvolution processes of the TOF signals, UV/soft-x-ray photopeak absorption, and ion transmission calculations for different metallic filters, is shown. Mainly amorphous carbon (graphite) targets have been irradiated in order to limit the maximum number of ion charge states and to focus our study on demonstrating the validity of the proposed investigation technique. Maximum ion energy and acceleration gradient estimations as a function of the laser energy and focal spot diameter are reported.

Original languageEnglish
Article number02A506
JournalReview of Scientific Instruments
Issue number2
Publication statusPublished - 2010
Externally publishedYes

Bibliographical note

Funding Information:
This work was partially supported by the IAA 100100715 Grant Agency of the ASCR, HiPER and ELI-PP projects. The support of 5th Nat. Comm. of INFN (PLEIADI experiment) is gratefully acknowledged.

Copyright 2010 Elsevier B.V., All rights reserved.

ASJC Scopus subject areas

  • Instrumentation


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