Shixia Luan, Wei Yu, M. Y. Yu, Suming Weng, Jingwei Wang, Han Xu, Hongbin Zhuo and A. Y. Wong
A small hollow shell for trapping laser light is proposed. Two-dimensional particle-in-cell simulation shows that under appropriate laser and plasma conditions a part of the radiation fields of an intense short laser pulse can enter the cavity of a small shell through an over-critical density plasma in an adjacent guide channel and become trapped. The trapped light evolves into a circulating radial wave pattern until its energy is dissipated.
DOI
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