Seventy-first harmonic generation from doubly charged ions in preformed laser-ablation vanadium plume at 110 eV
Masayuki SuzukiThe Institute for Solid State Physics, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581, Japan [email protected]L. B. Elouga BomInstitut National de la Recherche Scientifique 1650 boul. Lionel‐Boulet Varennes Quebec J3X 1S2 CanadaT. OzakiInstitut National de la Recherche Scientifique 1650 boul. Lionel‐Boulet Varennes Quebec J3X 1S2 CanadaR. A. GaneevScientific Association Akadempribor, Akademgorodok, Tashkent 700125, UzbekistanMotoyoshi BabaThe Institute for Solid State Physics The University of Tokyo 5-1-5 Kashiwanoha, Kashiwa Chiba 277-8581 JapanHiroto KurodaThe Institute for Solid State Physics The University of Tokyo 5-1-5 Kashiwanoha, Kashiwa Chiba 277-8581 Japan
2007en
ABI
Аннотация
We have demonstrated a generation of 71(st) harmonic at a photon energy of 110 eV (wavelength 11.2 nm) using low ionized vanadium ions in a laser-ablation plume. The conversion efficiency of this harmonic was estimated to be 1.6x10(-7). Such high harmonic generation occurred from the interaction of a femtosecond laser pulse with a doubly charged ion, which has high third ionization potential. This work shows the extension of HHG cutoff energy can be achieved by using the doubly charged ion.
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