, Volume 93, Issue 12, pp 720-724
Date: 17 Aug 2011

Near-field optical polarimetry of plasmonic nanowires

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Local polarization properties of a gold subwavelength grating with plasmon-induced linear dichroism are studied by scanning near-field optical dynamic polarimetry. Periodic modulation of linear dichroism with the period corresponding to the period of the grating and the contrast of 0.3 is found at the distance of λ/20 from the sample.