Intense exact resonance enhancement of single-high-harmonic from an antimony ion by using Ti:Sapphire laser at 37 nm
Masayuki SuzukiThe Institute for Solid State Physics The University of Tokyo 5-1-5 Kashiwanoha, Kashiwa Chiba 277-8581 JapanMotoyoshi 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 JapanR. A. GaneevAkadempribor Scientific Association, Academy of Science of Uzbekistan,Akademgorodok, Tashkent 700125, UzbekistanT. OzakiInstitut National de la Recherche Scientifique 1650 boul. Lionel‐Boulet Varennes Quebec J3X 1S2 Canada
ABI
Аннотация
We demonstrated the intensity enhancement of a single high-order harmonic at a wavelength of 37.67 nm using the lowly ionized antimony laser-ablation plume. The conversion efficiency of this harmonic was 2.5x10(-5) and the output energy was 0.3 muJ. Such an enhancement of single-harmonic was caused by the multiphoton resonance with the strong radiative transition of the Sb II ions. The cutoff energy of the harmonics generated in Sb plasma was 86 eV (55(th) harmonic).
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