Ion acceleration with an ultra-intense two-frequency laser tweezer

Y. Wan, I. A. Andriyash, C. H. Pai, J. F. Hua, C. J. Zhang, F. Li, Y. P. Wu, Z. Nie, W. B. Mori, W. Lu, V. Malka, C. Joshi

研究成果: 雜誌貢獻期刊論文同行評審

3 引文 斯高帕斯(Scopus)

摘要

Ultra-intense lasers produce and manipulate plasmas, allowing to locally generate extremely high static and electromagnetic fields. This study presents a concept of an ultra-intense optical tweezer, where two counter-propagating circularly polarized intense lasers of different frequencies collide on a nano-foil. Interfering inside the foil, lasers produce a beat wave, which traps and moves plasma electrons as a thin sheet with an optically controlled velocity. The electron displacement creates a plasma micro-capacitor with an extremely strong electrostatic field, that efficiently generates narrow-energy-spread ion beams from the multi-species targets, e.g. protons from the hydrocarbon foils. The proposed ion accelerator concept is explored theoretically and demonstrated numerically with the multi-dimensional particle-in-cell simulations.

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文章編號052002
期刊New Journal of Physics
22
發行號5
DOIs
出版狀態已出版 - 5月 2020

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