激光等离子体灯丝中的太赫兹辐射机制

CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI:10.1109/CLEOE-EQEC.2009.5191552

Hui-Chun Wu, J. Meyer-ter-Vehn

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引用次数: 0

摘要

自1993年以来，第一个实验[1]已经表明，当强烈的激光脉冲聚焦到气体中时，存在强烈的太赫兹(THz)辐射。最近，精细的实验[2]显示了飞秒激光灯丝的锥形正向太赫兹辐射，这可以用过渡-切伦科夫辐射(TKR)模型[3]来解释。事实上，关于激光等离子体灯丝中太赫兹辐射的机制一直存在争议[4]。

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Terahertz radiation mechanism in a laser plasma filament

Since 1993, the first experiment [1] already shows there are strong terahertz (THz) radiations when an intense laser pulse is focused into gas. More recently, delicate experiments [2] display conical forward THz emission from a femtosecond laser filament, which is explained by a transition-Cherenkov radiation (TKR) model [3]. In fact, there is a long dispute about THz emission mechanism in a laser plasma filament [4].

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CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference

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