Nanostructure-enhanced atomic line emission

Sivis, M.; Duwe, M.; Abel, B.; Ropers, Claus

doi:10.1038/nature10978

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Nanostructure-enhanced atomic line emission

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Ropers, Claus
Department of Ultrafast Dynamics, MPI for Biophysical Chemistry, Max Planck Society;

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Sivis, M., Duwe, M., Abel, B., & Ropers, C. (2012). Nanostructure-enhanced atomic line emission. Nature, 485(7397), E1-E2. doi:10.1038/nature10978.

Cite as: https://hdl.handle.net/21.11116/0000-000B-5D39-E

Abstract

Plasmonic nanostructures offer unique possibilities for enhancing linear and nonlinear optical processes. Recently, Kim et al. reported nanostructure-enhanced high harmonic generation (HHG). Here, using nearly identical conditions, we demonstrate extreme-ultraviolet (EUV) emission from gas-exposed nanostructures, but come to entirely different conclusions: instead of HHG, we observe line emission of neutral and ionized gas atoms. We also discuss fundamental physical aspects limiting nanostructure-based HHG.