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A System for Conducting Surface Science with Attosecond Pulses

机译:具有Attosecond脉冲的表面科学系统

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We report the development of an apparatus to allow time resolved photoelectron spectroscopy of charge motion on solids and structured surfaces with attosecond resolution in an ultra high vacuum environment. The system, connected to the Attosecond Beamline at Imperial College, allows probing of charge dynamics on surfaces and plasmonic fields on structured surfaces with a few-cycle NIR pulse and attosecond pulse trains. The system incorporates novel methods of vibration isolation to eliminate vibrations coupling to sample and optics from mechanical vibrations. An isolated attosecond pulse can also be used with the addition of a multilayer XUV optic. A two-photon photoemission measure of a hot electron population in gold is presented.
机译:我们报告了一种设备的开发,以允许在超高真空环境中具有阳离子分辨率的固体和结构化表面上的充电运动的时间分辨的光电子光谱。连接到帝国学院的Attosecond BeamLine的系统,允许在具有几个周期的NIR脉冲和AttoSecond脉冲列表上探测结构化表面上的表面和等离子体领域的充电动力学。该系统采用了新颖的振动隔离方法,以消除振动耦合到来自机械振动的样品和光学。孤立的Attosecond脉冲也可以添加多层XUV光学器件。提出了一种金色的热电子群的双光子光电调查。

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