| A Method for Distinguishing Attosecond Single Pulse from Attosecond Pulse Train |
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| 作者姓名： | 霍义萍 曾志男 李儒新 徐至展 |
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| 作者单位： | LaboratoryforHighIntensityOptics,ShanghaiInstituteofOpticsandFineMechanics,ChineseAcademyofSciences,Shanghai201800 |
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| 摘 要： | The driving laser field assisted attosecond soft-extreme-ultraviolet (XUV) photo-ionization was used successfully to measure the duration of the attosecond pulse based on the cross-correlation method. However, this method in principle cannot distinguish a single attosecond pulse from the attosecond pulse train. We propose a technique for directly distinguishing attosecond single pulse from attosecond pulse train based on the photo-ionization of atoms by attosecond XUV pulse in the presence of a two-colour strong laser pulse.
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| 关 键 词： | 光谱学 x-光 受激光辐射 光电子分配 |
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