Direct imaging of surface plasmon polariton dispersion in gold and silver thin films

We image the dispersion of surface plasmon polaritons in gold and silver thin films of 30 and 50 nm thickness, using angle-resolved white light spectroscopy in the Kretschmann geometry. Calibrated dispersion curves are obtained over a wavelength range spanning from 550 to 900 nm. We obtain good qualitative agreement with calculated dispersion curves that take into account the thickness of the thin film.


Published in:
Journal of the Optical Society of America B, 33, 7, C17-C21
Year:
2016
Publisher:
Washington, Optical Soc Amer
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 Record created 2016-04-05, last modified 2018-12-03

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