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Nanostructure-enhanced atomic line emission

Nature volume 485, pages E1–E2 (2012)Cite this article

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Abstract

Arising from S. Kim et al. Nature 453, 757–760 (2008)10.1038/nature07012; Kim et al. reply

Plasmonic nanostructures offer unique possibilities for enhancing linear and nonlinear optical processes1,2,3,4,5,6. Recently, Kim et al.7 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.

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Figure 1: Experimental set-up and results.

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Authors and Affiliations

  1. Courant Research Center Nano-Spectroscopy and X-Ray Imaging, University of Göttingen, 37077 Göttingen, Germany,

    M. Sivis, M. Duwe & C. Ropers

  2. Ostwald Institute for Physical and Theoretical Chemistry, University of Leipzig, 04103 Leipzig, Germany

    B. Abel

Authors
  1. M. Sivis
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  2. M. Duwe
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  3. B. Abel
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  4. C. Ropers
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All authors were closely involved in this study and contributed to the ideas, realization of the experiments, data analysis and interpretation, and writing of the paper.

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Correspondence to C. Ropers.

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Sivis, M., Duwe, M., Abel, B. et al. Nanostructure-enhanced atomic line emission. Nature 485, E1–E2 (2012). https://doi.org/10.1038/nature10978

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