用于快速点火的聚焦激光产生的质子束的加速和传输

B. Qiao
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引用次数: 0

摘要

强MeV质子束在医学、材料科学和惯性聚变能(IFE)等领域有着广泛的应用。激光加速的质子束可以产生并聚焦到非常高的强度,这有利于这些应用,特别是质子快速点火(pFI)。在pFI中,需要从半球形靶中产生能量为20kJ、直径< 40μm、平均能量为10MeV的聚焦质子束,并有效地无畸变地穿过锥尖和周围的等离子体。
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Acceleration and transport of a focused laser-generated proton beams for fast-ignition
Intense MeV proton beams have applications in medicine, material science and inertial fusion energy (IFE). Laser-accelerated proton beams can be generated and focused to exceptionally high intensities that are beneficial for these applications, especially proton fast ignition (pFI). In pFI, a focused proton beam with energy 20kJ, diameter <;40μm and mean energy of 10MeV needs to be produced from a hemisphere target and pass through the cone tip and surrounding plasma efficiently without distortion.
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