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首页> 外文期刊>Journal of Applied Physics >Full characterization of laser-accelerated ion beams using Faraday cup, silicon carbide, and single-crystal diamond detectors
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Full characterization of laser-accelerated ion beams using Faraday cup, silicon carbide, and single-crystal diamond detectors

机译：使用法拉第杯，碳化硅和单晶金刚石探测器对激光加速离子束进行全面表征

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摘要

Multi-MeV beams of light ions have been produced using the 300 picosecond, kJ-class iodine laser, operating at the Prague Asterix Laser System facility in Prague. Real-time ion diagnostics have been performed by the use of various time-of-flight (TOF) detectors: ion collectors (ICs) with and without absorber thin films, new prototypes of single-crystal diamond and silicon carbide detectors, and an electrostatic ion mass spectrometer (IEA). In order to suppress the long photopeak induced by soft X-rays and to avoid the overlap with the signal from ultrafast particles, the ICs have been shielded with Al foil filters. The application of large-bandgap semiconductor detectors (>3 eV) ensured cutting of the plasma-emitted visible and soft-UV radiation and enhancing the sensitivity to the very fast proton/ion beams. Employing the IEA spectrometer, various ion species and charge states in the expanding laser-plasma have been determined. Processing of the experimental data based on the TOF technique, including estimation of the plasma fast proton maximum and peak energy, ion beam currents and total charge, total number of fast protons, as well as deconvolution processes, ion stopping power, and ion/photon transmission calculations for the different metallic filters used, are reported.
机译：在布拉格的布拉格Asterix激光系统工厂使用300皮秒kJ级碘激光器产生了多兆电子伏特的离子束。通过使用各种飞行时间（TOF）检测器进行了实时离子诊断：带或不带吸收剂薄膜的离子收集器（IC），单晶金刚石和碳化硅检测器的新原型以及静电检测器离子质谱仪（IEA）。为了抑制软X射线引起的长时间光峰，并避免与超快粒子的信号重叠，IC已用铝箔滤光片屏蔽。大带隙半导体检测器（> 3 eV）的应用确保了对等离子体发射的可见光和软UV辐射的切割，并提高了对非常快的质子/离子束的灵敏度。使用IEA光谱仪，已确定了扩展的激光等离子体中的各种离子种类和电荷状态。基于TOF技术的实验数据的处理，包括估算等离子体快速质子的最大值和峰值能量，离子束电流和总电荷，快速质子的总数以及解卷积过程，离子停止能力和离子/光子报告了使用的不同金属过滤器的传输计算。

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  • 来源
    《Journal of Applied Physics》 |2011年第10期|p.254-261|共8页
  • 作者

    D. Margarone; J. Krása; L. Giuffrida; A. Picciotto; L. Torrisi; T. Nowak; P. Musumeci; A. Velyhan; J. Prok(u)pek; L. Láska; T. Mocek; J. Ullschmied; B. Rus;

  • 作者单位

    ELI Beamlines Project, Department ofUltraintense Lasers, Institute of Physics of the ASCR, Na Slovance 2,18221 Prague, Czech Republic;

    Department of Laser Interactions, Institute of Physics of the ASCR, Na Slovance 2,18221 Prague,Czech Republic;

    INFN-Laboratori Nazionali del Sud, Via S. Sofia 62, Catania, Italy and Physics Department,Messina University, Ctr. Papardo 31, 98166 S. Agata, Messina, Italy;

    Fondazione Bruno Kessler-IRST, Via Sommarive 18, 38050 Povo, Trento, Italy;

    INFN-Laboratori Nazionali del Sud, Via S. Sofia 62, Catania, Italy and Physics Department,Messina University, Ctr. Papardo 31, 98166 S. Agata, Messina, Italy;

    The Henryk Niewodniczanski Institute of Nuclear Physics PAN, E. Radzikowskiego 152,31-342 Krakow, Poland;

    Physics Department, Catania University, Via S. Sofia 64, 95123 Catania, Italy;

    Department of Laser Interactions, Institute of Physics of the ASCR, Na Slovance 2,18221 Prague,Czech Republic;

    ELI Beamlines Project, Department ofUltraintense Lasers, Institute of Physics of the ASCR, Na Slovance 2,18221 Prague, Czech Republic;

    Department of Laser Interactions, Institute of Physics of the ASCR, Na Slovance 2,18221 Prague,Czech Republic;

    HiLASE Project, Department of Diode-pumped Lasers, Institute of Physics of the ASCR, Na Slovance 2,18221 Prague, Czech Republic;

    Institute of Plasma Physics of the ASCRIPALS Centre, Za Slovankou 3,182 00 Prague 8, Czech Republic;

    ELI Beamlines Project, Department ofUltraintense Lasers, Institute of Physics of the ASCR, Na Slovance 2,18221 Prague, Czech Republic;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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