Intense multi-μJ high-order harmonics generated from neutral atoms of In2O3 nanoparticles
L. B. Elouga BomInstitut national de la recherche scientifique - Centre Énergie, Matériaux et Télécommunications, 1650 Lionel-Boulet, Varennes, Québec J3X 1S2, CanadaR. A. GaneevInstitut national de la recherche scientifique - Centre Énergie, Matériaux et Télécommunications, 1650 Lionel-Boulet, Varennes, Québec J3X 1S2, CanadaJ. Abdul-HadiInstitut national de la recherche scientifique - Centre Énergie, Matériaux et Télécommunications, 1650 Lionel-Boulet, Varennes, Québec J3X 1S2, CanadaFrançois VidalInstitut national de la recherche scientifique - Centre Énergie, Matériaux et Télécommunications, 1650 Lionel-Boulet, Varennes, Québec J3X 1S2, CanadaT. OzakiInstitut national de la recherche scientifique - Centre Énergie, Matériaux et Télécommunications, 1650 Lionel-Boulet, Varennes, Québec J3X 1S2, Canada
2009en
ABI
Annotatsiya
We study high-order harmonic generation in plasma containing an abundance of indium oxide nanoparticles. We find that harmonics from nanoparticles are intense, with high-order harmonic energy ranging from 6 μJ for the 9th harmonic to 1 μJ for the 17th harmonic. However, the harmonic cut-off is at the 21st order, which is much lower than that observed using solid indium oxide targets. By comparing the harmonic spectrum obtained using solid and nanoparticle indium oxide, we conclude that the intense harmonics from nanoparticles are generated from neutral atoms.
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