Proposed few-optical cycle laser-driven particle accelerator structure
Proposed few-optical cycle laser-driven particle accelerator structure
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DOI：
10.1103/physrevstab.9.111301
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发表时间：
2006-11
影响因子：
--
通讯作者：
T. Plettner;P. Lu;R. Byer
中科院分区：
文献类型：
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作者：
T. Plettner;P. Lu;R. Byer
我们描述了一种用于超短激光脉冲操作的透明介质光栅加速器结构。该结构基于周期性场反转的原理来实现相对论粒子的相位同步，然而为了保持超短脉冲操作，它不会使真空通道中的激光场共振。该结构的几何形状非常适合于高平均功率激光器和高热负载的应用。最后，它显示了潜在的卸载梯度为10 GeV/m的10飞秒激光脉冲和可能性，以8%的效率，加速10{sup 6}电子每束。制造过程和建议的短期实验与这种加速器结构。
We describe a transparent dielectric grating accelerator structure that is designed for ultra-short laser pulse operation. The structure is based on the principle of periodic field reversal to achieve phase synchronicity for relativistic particles, however to preserve ultra-short pulse operation it does not resonate the laser field in the vacuum channel. The geometry of the structure appears well suited for application with high average power lasers and high thermal loading. Finally, it shows potential for an unloaded gradient of 10 GeV/m with 10 fsec laser pulses and the possibility to accelerate 10{sup 6} electrons per bunch at an efficiency of 8%. The fabrication procedure and a proposed near term experiment with this accelerator structure are presented.