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Proceedings Paper

Application of a grating coupler for surface plasmon polariton excitation in a photoemission electron microscopy experiment
Author(s): Till Leißner; Stephan Jauernik; Christoph Lemke; Jacek Fiutowski; Kasper Thilsing-Hansen; Jakob Kjelstrup-Hansen; Horst-Günter Rubahn; Michael Bauer
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Paper Abstract

Surface plasmon polariton (SPP) excitation at a gold-vacuum interface via 800 nm light pulses mediated by a periodic array of gold ridges is probed at high lateral resolution by means of photoemission electron microscopy (PEEM). We directly monitor and quantify the coupling properties as a function of the number of grating ridges and compare the PEEM results with analytic calculations. An increase in the coupling efficiency of ≈ 3 is observed when increasing the number of ridges from 1 to 6. We observe, however, that a further addition of ridges is rather ineffective. This saturation behavior is assigned to the grazing incidence excitation geometry intrinsic to a conventional PEEM scheme and the limited propagation distance of the SPP modes at the gold-vacuum interface at the used wavelength.

Paper Details

Date Published: 1 May 2012
PDF: 6 pages
Proc. SPIE 8424, Nanophotonics IV, 84241D (1 May 2012); doi: 10.1117/12.921761
Show Author Affiliations
Till Leißner, Christian-Albrechts-Univ. zu Kiel (Germany)
Stephan Jauernik, Christian-Albrechts-Univ. zu Kiel (Germany)
Christoph Lemke, Christian-Albrechts-Univ. zu Kiel (Germany)
Jacek Fiutowski, Univ. of Southern Denmark (Denmark)
Kasper Thilsing-Hansen, Univ. of Southern Denmark (Denmark)
Jakob Kjelstrup-Hansen, Univ. of Southern Denmark (Denmark)
Horst-Günter Rubahn, Univ. of Southern Denmark (Denmark)
Michael Bauer, Christian-Albrechts-Univ. zu Kiel (Germany)

Published in SPIE Proceedings Vol. 8424:
Nanophotonics IV
David L. Andrews; Jean-Michel Nunzi; Andreas Ostendorf, Editor(s)

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