A scaling mechanism for increasing the terahertz emission from ionization of air

M. Clerici, M. Peccianti, B. Schmidt, L. Caspani, M. Shalaby, M. Giguére, A. Lotti, A. Couairon, F. Légaré, T. Ozaki, D. Faccio, R. Morandotti
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Abstract

A significant enhancement of the terahertz generation efficiency via two-color laser-induced air ionization, up to 10-3, is observed with increasing pump wavelength. Terahertz peak fields up to 4.4 MV/cm were obtained using 400 μJ pulse energy.
增加空气电离产生的太赫兹辐射的标度机制
通过双色激光诱导的空气电离,观察到随着泵浦波长的增加,太赫兹产生效率显著提高,高达10-3。利用400 μJ的脉冲能量获得了4.4 MV/cm的太赫兹峰值场。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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