相对论皮秒激光-等离子体相互作用产生超过50毫焦的THz脉冲
等离子体物理
2019-10-08 v1
摘要
超高功率太赫兹（THz）辐射源对于许多应用至关重要，例如非线性THz物理、基于THz波的紧凑型加速器等。然而，迄今为止报道的无论基于大型加速器还是高功率激光的THz源，均未产生能量突破毫焦（mJ）壁垒的THz脉冲。本文报道了能量空前高、超过50 mJ的低频（<3 THz）THz脉冲的高效产生。该THz辐射由皮秒激光从固体靶加速的相对论电子超亮束的相干渡辐射产生。如此高能量的THz脉冲不仅能触发物质中的各种非线性动力学，还开辟了相对论THz光学这一新研究领域。
引用
@article{arxiv.1805.04369,
title = {THz pulses over 50 millijoules generated from relativistic picosecond laser-plasma interactions},
author = {Guoqian Liao and Hao Liu and Yutong Li and Graeme G. Scott and David Neely and Yihang Zhang and Baojun Zhu and Zhe Zhang and Chris Armstrong and Egle Zemaityte and Philip Bradford and Peter G. Huggard and Paul McKenna and Ceri M. Brenner and Nigel C. Woolsey and Weimin Wang and Zhengming Sheng and Jie Zhang},
journal= {arXiv preprint arXiv:1805.04369},
year = {2019}
}
备注
9 pages, 3 figures