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Plasmon induced modification of the transverse magneto-optical response in Fe antidot arrays



In this Letter we present the effects that the excitation of plasmon-like modes in periodically perforated Fe films have over the Transverse Magneto-Optical Kerr Effect (TMOKE). The excitation of the modes gives rise to clear signatures in the TMOKE spectra. We analyze the spectral position of the structures as a function of both the polar and azimuth angle.

original image

Schematic representation of the system, and TMOKE signal for a Fe membrane along φ = 0°.

(© 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)