论文标题
从激光驱动的电线上广泛控制的Terahertz辐射
Intense widely-controlled terahertz radiation from laser-driven wires
论文作者
论文摘要
具有强烈飞秒激光脉冲的薄金属线的辐射会产生强大的放电波，该波浪作为沿着电线表面的狭窄脉冲传播。行进放电有效地发出了具有光谱特性的次级辐射，主要由电线几何形状定义。在生成强烈的Terahertz辐射的背景下，考虑了几种模范设计，具有可控的特征，用于各种科学和技术应用。拟议的设置受益于其稳健性，多功能性和激光能量对Terahertz辐射的高转化效率，该辐射达到了百分之几。
Irradiation of a thin metallic wire with an intense femtosecond laser pulse creates a strong discharge wave that travels as a narrow pulse along the wire surface. The travelling discharge efficiently emits secondary radiation with spectral characteristics mostly defined by the wire geometry. Several exemplary designs are considered in the context of generation of intense terahertz radiation with controllable characteristics for various scientific and technological applications. The proposed setup benefits by its robustness, versatility and high conversion efficiency of laser energy to terahertz radiation, which reaches several percent.
