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On the theory of near-field magneto-optical microscopy via plasmonic modes of nanowire

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Abstract

The results of a theory of near-field magneto-optical microscopy with a linear probe scanning the near-surface region of a sample are presented. A cylindrical nanowire supporting surface plasmons is considered as a model of the probe. The polar magneto-optical Kerr effect is studied in scattering of light by near-surface nanowire and magnetic nanodomain. The problem is solved self-consistently in the dipolar interactions of the nanowire with the sample surface and in magnetization-linear approximation of magneto-optics. The near-field magneto-optical response depending on the distance between probe and domain is obtained, and the microscopy resolving power is estimated.

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Authors and Affiliations

  1. Ioffe Physical Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    V. A. Kosobukin

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  1. V. A. Kosobukin
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Correspondence to V. A. Kosobukin.

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Original Russian Text © V.A. Kosobukin, 2011, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2011, Vol. 37, No. 8, pp. 86–94.

The article was translated by the author.

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Kosobukin, V.A. On the theory of near-field magneto-optical microscopy via plasmonic modes of nanowire. Tech. Phys. Lett. 37, 387–390 (2011). https://doi.org/10.1134/S1063785011040195

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  • DOI: https://doi.org/10.1134/S1063785011040195

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