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Proceedings Paper

Theory of the magneto-optic Kerr effect in the near field
Author(s): Vladimir A. Kosobukin
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Paper Abstract

A theory is developed for the magneto-optic Kerr effect (MOKE) excited via an optical near field. The model under consideration includes a semi-infinite ferromagnet and a small non- magnetic metal particle which is located nearby and possesses a long-living surface plasmon. A multiple-scattering formulation of the problem is given. Considering the Rayleigh scattering of light and the magneto-optical light polarization conversion as elementary events, all the essential optical processes are classified, and those which contribute to the near-field MOKE are treated separately. An effective particle polarizability, responsible for a near-field excitation, is treated self-consistently to all orders in light-matter scattered light field is discussed with special emphasis on the change of optical polarization due to MOKE.

Paper Details

Date Published: 6 September 1995
PDF: 7 pages
Proc. SPIE 2535, Near-Field Optics, (6 September 1995); doi: 10.1117/12.218703
Show Author Affiliations
Vladimir A. Kosobukin, A.F. Ioffe Physical-Technical Institute (Russia) and National Institute of Standards and Technology (United States)

Published in SPIE Proceedings Vol. 2535:
Near-Field Optics
Michael A. Paesler; Patrick J. Moyer, Editor(s)

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