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首页> 外文期刊>Applied Physics Letters >High-intensity laser-driven proton acceleration enhancement from hydrogen containing ultrathin targets
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High-intensity laser-driven proton acceleration enhancement from hydrogen containing ultrathin targets

机译：含氢超薄靶材的高强度激光驱动质子加速增强

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摘要

Laser driven proton acceleration experiments from micron and submicron thick targets using high intensity (2 × 10~(21) W/cm~2), high contrast (10~(-15)) laser pulses show an enhancement of maximum energy when hydrogen containing targets were used instead of non-hydrogen containing. In our experiments, using thin (＜1μm) plastic foil targets resulted in maximum proton energies that were consistently 20%-100% higher than when equivalent thickness inorganic targets, including Si_3N_4 and Al, were used. Proton energies up to 20MeV were measured with a flux of 10~7 protons/MeV/sr.
机译：使用高强度（2×10〜（21）W / cm〜2），高对比度（10〜（-15））激光脉冲在微米和亚微米厚目标上进行的激光驱动质子加速实验显示，当含氢时使用靶代替不含氢的靶。在我们的实验中，使用薄的（＜1μm）塑料箔靶可获得最大的质子能量，该能量始终比使用等效厚度的无机靶（包括Si_3N_4和Al）高20％-100％。测量的质子能量高达20MeV，通量为10〜7质子/ MeV / sr。

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  • 来源
    《Applied Physics Letters》 |2013年第14期|141117.1-141117.3|共3页
  • 作者

    F. Dollar; S. A. Reed; T. Matsuoka; S. S. Bulanov; V. Chvykov; G. Kalintchenko; C. McGuffey; P. Rousseau; A. G. R. Thomas; L. Willingale; V. Yanovsky; D. W. Litzenberg; K. Krushelnick; A. Maksimchuk;

  • 作者单位

    Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA,JILA, University of Colorado, Boulder, CO 80309, USA;

    Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA,Aerospace Corporation, San Diego, CA 92101, USA;

    Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA,Photon Pioneers Center in Osaka University, Osaka 565-0871, Japan;

    Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA,University of California, Berkeley, CA 94720, USA;

    Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA;

    Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA;

    Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA,University of California, San Diego;

    Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA,Laboratoire d'Optique Appliquee, Ecole Politechnique, ENSTA, 91761 Palaiseau, France;

    Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA;

    Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA;

    Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA;

    Department of Radiation Oncology, University of Michigan, Ann Arbor, Michigan 48109, USA;

    Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA;

    Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA;

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