Strong-field photoemission from nanostructuresdriven by few-cycle mid-infrared fields
Courant Research Center, University of Göttingen, Göttingen, Germany
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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. We identify a sub-cycle acceleration regime that is exclusive to confined fields in nanostructures.
© Owned by the authors, published by EDP Sciences, 2013
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