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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 9, Iss. 3 — Jul. 30, 2001
  • pp: 158–171

Magneto-optic polar Kerr and Faraday effects in periodic multilayers

Š. Višňovský, K. Postava, and T. Yamaguchi  »View Author Affiliations

Optics Express, Vol. 9, Issue 3, pp. 158-171 (2001)

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Magnetooptic (MO) effects in magnetic multilayers with periodically stratified regions are analyzed for the case of normal light wave incidence and polar magnetization (Faraday and polar Kerr effects). From the universal 4×4-matrix formalism simplified analytical representations restricted to terms linear in the off-diagonal permittivity tensor elements are obtained with no loss in accuracy. The MO effects are expressed as weighted sums of contributions from individual layers. Approximate expressions useful for the evaluation of trends in MO effects are given for periodic multilayers consisting of blocks with ultrathin magnetic films. The procedure is illustrated on periodic systems built of symmetric units. Limits on the ultrathin approximation are discussed.

© Optical Society of America

OCIS Codes
(210.3820) Optical data storage : Magneto-optical materials
(240.0310) Optics at surfaces : Thin films
(260.2130) Physical optics : Ellipsometry and polarimetry

ToC Category:
Research Papers

Original Manuscript: May 2, 2001
Published: July 30, 2001

Stefan Visnovsky, Kamil Postava, and T. Yamaguchi, "Magneto-optic polar Kerr and Faraday effects in periodic multilayers," Opt. Express 9, 158-171 (2001)

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