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Ranitovic P.,University of Colorado University | Tong X.-M.,University of Tsukuba | Hogle C.W.,University of Colorado University | Zhou X.,University of Colorado University | And 3 more authors.
Journal of Physics: Conference Series | Year: 2012

High harmonic generation is a unique source of ultrashort-pulse ionizing radiation, ideal for initiating and probing fast dynamics in atoms, molecules and materials, including understanding dissociative processes relevant to radiation physics and chemistry [1-3]. We show, for the first time, how to tailor the combined attosecond ionizing field and femtosecond laser field to fully suppress ionization of He through destructive interference of two multiphoton/multicolor ionization channels. This work demonstrates a new approach for coherent control in a regime of highly-excited states and strong optical fields. © Published under licence by IOP Publishing Ltd.

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