Magneto-optical effect of left-handed material

H. X. Da (), C. Xu and Z. Y. Li

The European Physical Journal B: Condensed Matter and Complex Systems, 2005, vol. 45, issue 3, 347-353

Abstract: In this paper, we suggest a possibility of providing left-handed material with parallel ferromagnetic nanowires electrodeposited into an insulating polycarbonate membrane. We find that such a composite shows left-handed properties when the damping factor α satisfies α>α c , where α c is the critical damping factor which is affected by the filling factor of ferromagnetic nanowires. We also investigate the magneto-optical properties of such a composite and find that at the frequency region where the composite exhibits left-handed property, both the Faraday rotation angle and ellipticity of the film show obvious change apart from a jump in transmission coefficient at the frequency region near the ferromagnetic resonance frequency. Compared with the pure ferromagnetic film, a larger Faraday rotation angle is obtained in our model, which may be useful for the application of magneto-optical devices. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2005

Date: 2005
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DOI: 10.1140/epjb/e2005-00198-y

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