Author: Saito, Y.
Paper Title Page
MOPIK052 Generation of Highly-Charged Carbon Ions from Thin Foil Target 635
 
  • T. Kanesue, S. Ikeda, M. Okamura
    BNL, Upton, Long Island, New York, USA
  • Y. Saito
    Sokendai, Ibaraki, Japan
 
  Funding: This work was supported by the U.S. Department of Energy and National Aeronautics and Space Administration.
Generation of highly-charged heavy ions such as fully stripped C6+ of more than hundreds mA of beam current can be possible only with a laser ablation ion source (LIS). Heavy ions are produced from a solid target irradiated by a pulsed high power laser. Recent study showed that only sub-micron range of surface layer contributes for the generation of highly-charged heavy ions. In this paper, we experimentally investigated the difference of the performance of highly-charged carbon ion production from graphite targets of different thickness (25, 70, 254, and 3000 'm) to seek the possibility of a rolled target to overcome the limitation of a target lifetime.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-MOPIK052  
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MOPIK053 Design Study of High Repetition Rate Laser Ion Source for High Power Beam Production 638
 
  • T. Kanesue, S. Ikeda, M. Okamura
    BNL, Upton, Long Island, New York, USA
  • Y. Saito
    Sokendai, Ibaraki, Japan
 
  Funding: This work was supported by the U.S. Department of Energy and National Aeronautics and Space Administration.
We are studying a laser ion source (LIS) for a high average beam power heavy ion beam production. A LIS is the most intense source of pulsed highly-charged ions using a laser ablation scheme. By increasing the repetition rate, a LIS based heavy ion beam would approach the average beam power based on a low beam current and continuous beam regime. In addition, a high-repetition-rate LIS can be used as a heavy ion source for a medical accelerator with spot scanning technique. This paper will describe the requirements to realize the high repetition rate operation.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-MOPIK053  
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