17 September 2016 Spatio-temporal imaging of surface plasmon polaritons in two photon photoemission microscopy
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Abstract
A two-photon photoemission microscopy experiment with femtosecond time-resolution for imaging of propagating surface plasmon polaritons is discussed. The experimental setup of an actively Pancharatnam’s phase stabilized interferometer is described, and a temporal stability in time-resolved two-photon photoemission microscopy of less than 20 attoseconds is demonstrated. The time-resolved setup is applied to investigate the interaction of a surface plasmon polariton wave packet with a plasmonic beam-splitter. Pump-probe data recorded at times before and after the interaction of the surface plasmon polariton wave packet with the beam-splitter indicate transmission and reflection coefficients of T≈0.3 and R≈0.4, respectively.
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Frank J. Meyer zu Heringdorf, Frank J. Meyer zu Heringdorf, Daniel Podbiel, Daniel Podbiel, Nicolai Raß, Nicolai Raß, Andreas Makris, Andreas Makris, Niemma M. Buckanie, Niemma M. Buckanie, Philip A. Kahl, Philip A. Kahl, } "Spatio-temporal imaging of surface plasmon polaritons in two photon photoemission microscopy", Proc. SPIE 9921, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIV, 992110 (17 September 2016); doi: 10.1117/12.2239878; https://doi.org/10.1117/12.2239878
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