Near-field optical polarimetry of plasmonic nanowires
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- Shcherbakov, M.R., Tsema, B.B., Ezhov, A.A. et al. Jetp Lett. (2011) 93: 720. doi:10.1134/S0021364011120149
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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.