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首页> 美国政府科技报告 >Multiphoton Ionization of (Xe)(sub n) and (NO)(sub n) Clusters Using a Picosecond Laser
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Multiphoton Ionization of (Xe)(sub n) and (NO)(sub n) Clusters Using a Picosecond Laser

机译：使用皮秒激光的（Xe）（sub n）和（NO）（sub n）团簇的多光子电离

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In an effort to extend the application of multiphoton ionization (MPI) spectroscopy to the study of weakly bound systems, we have begun a systematic investigation of picosecond MPI in van der Waals molecules and clusters. To our knowledge no previous picosecond MPI studies of weakly bound systems have been reported. We present here results of picosecond MPI of Xe(sub n)(n = 1-20) and (NO)(sub n)(n = 1-4) clusters. Previous MPI studies using nanosecond lasers have not detected the NO cluster series, presumably because of fast dissociation channels. The use of high peak-power allows resonant and non-resonant photon absorption to the ionization limit to compete effectively with fast dissociative processes. 10 refs., 2 figs.

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