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Optimized factor of merit of the magneto-optical Kerr effect of ferromagnetic thin films

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Abstract:

This paper deals with the optimization of the factor of merit of the magneto-optical Kerr effect of a resonant multilayer cavity including a ferromagnetic film. This optimization is of interest in the context of optical storage technology. Using numerical simulations based on the Green's dyadic technique, we discuss a route to obtain magneto-optical multilayers with a vanishing ellipticity and factors of merit (with respect to the bulk magnetic material) larger than 3 on a broad range of wavelengths, significantly higher than the actual state of the art.

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Authors and Affiliations

  1. Laboratoire de Physique, Optique Submicronique,Université de Bourgogne, BP 47870, 21078 , Dijon Cedex, France

    N. Richard, A. Dereux & J.P. Goudonnet

  2. Institut de Physique et Chimie des Matériaux de Strasbourg (UMR 7504), BP 20 CR, 67037 , Strasbourg Cedex, France

    F. Scheurer & E. Beaurepaire

  3. Institut d'Électronique Fondamentale (UMR 8622), Université Paris-Sud, 91405, Orsay Cedex, France

    P. Beauvillain

Authors
  1. N. Richard
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  2. A. Dereux
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  3. J.P. Goudonnet
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  4. F. Scheurer
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  5. E. Beaurepaire
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  6. P. Beauvillain
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Received 21 May 1999

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Richard, N., Dereux, A., Goudonnet, J. et al. Optimized factor of merit of the magneto-optical Kerr effect of ferromagnetic thin films. Eur. Phys. J. B 14, 419–422 (2000). https://doi.org/10.1007/s100510051049

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  • DOI: https://doi.org/10.1007/s100510051049

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