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. 2015 Nov 3;5:16059. doi: 10.1038/srep16059

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(a) The dispersion curves of first hybrid mode. (b) The Fourier spectrum of radiation field E_z. (c,d) The contour maps of electric fields E_z and E_θ for the asymmetrical plasmon mode. (e–f) The contour maps of electric fields E_z and E_θ for the symmetrical plasmon mode.