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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 2, Iss. 6 — Jun. 10, 2004
  • pp: 339–342

Nonlinear optical and magneto-optical effects in non-spherical magnetic granular composite

Ping Xu and Zhenya Li  »View Author Affiliations

Chinese Optics Letters, Vol. 2, Issue 6, pp. 339-342 (2004)

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The magnetization-induced nonlinear optical and nonlinear magneto-optical properties in a magnetic metal-insulator composite are studied based on a tensor effective medium approximation with shape factor and Taylor-expansion method. There is a weakly nonlinear relation between electric displacement D and electric field E in the composite. The results of our studies on the effective dielectric tensor and the nonlinear susceptibility tensor in a magnetic nanocomposite are surveyed. It is shown that such a metal-insulator composite exhibits the enhancements of optical and magneto-optical nonlinearity. The frequencies at which the enhancements occur, and the amplitude of the enhancement factors depend on the concentration and shape of the magnetic grains.

© 2005 Chinese Optics Letters

OCIS Codes
(160.3820) Materials : Magneto-optical materials
(190.4720) Nonlinear optics : Optical nonlinearities of condensed matter
(350.4990) Other areas of optics : Particles

Ping Xu and Zhenya Li, "Nonlinear optical and magneto-optical effects in non-spherical magnetic granular composite," Chin. Opt. Lett. 2, 339-342 (2004)

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