作者: G. Herink , D. R. Solli , M. Gulde , C. Ropers
DOI: 10.1051/EPJCONF/20134109013
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摘要: We present strong-field photoemission from plasmonic nanotips driven by ultrashort pulses at wavelengths of 0.8-8µm, reaching Keldysh parameters down to 0.1. identify a sub-cycle acceleration regime that is exclusive confined fields in nanostructures.