利用微管等离子体透镜靶增强Laser强度和质子加速
Enhancement on Laser Intensity and Proton Acceleration Using Micro-tube Plasma Lens Targets
摘要：
提出了一种用于增强和操纵激光等离子体相互作用的空心圆柱形微米尺度结构。通过三维粒子模拟表明，入射激光脉冲强度在管内增强。对强化的详细研究优化了管尺寸，并提供了管内强度的表征。通过将微管等离子体透镜耦合到传统的平坦界面，我们显示出在靶强度的增加。我们详细的质子能量增强作为一个潜在的应用微管等离子体透镜目标，其中管结构的作用，以集中的光，并提供额外的电子，提高加速鞘场。
英文摘要：
A hollow cylindrical micron-scale structure is proposed to enhance and manipulate the laser plasma interaction. It is shown through 3-D particle-in-cell simulations that the incident laser pulse intensity is enhanced within the tube. A detailed study of the intensification optimizes the tube dimensions and provides a characterization of the in-tube intensity. By coupling the micro-tube plasma lens to a traditional flat interface, we show an increase in on-target intensity. We detail proton energy enhancement as a potential application of the micro-tube plasma lens target, where the tube structure acts to focus the light and provide additional electrons that enhance the accelerating sheath field.
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