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Enhanced magneto-optical Kerr effect in magnetic multilayers containing double-negative metamaterials.
- Source :
-
Journal of Applied Physics . Mar2009, Vol. 105 Issue 5, pN.PAG. 5p. 1 Diagram, 3 Graphs. - Publication Year :
- 2009
-
Abstract
- The magneto-optical Kerr effects in magnetic multilayered structures containing double-negative metamaterials are investigated by using 4×4 transfer-matrix method. The azimuth rotations and the figure of merit of the magneto-optical effects are calculated as a function of the thickness, permeability, and permittivity of the layers. It is shown that the magneto-optical effects are not only enhanced largely for the present system in comparison with those in the magnetic multilayered structures containing general metal materials but a giant Kerr rotation near 90° is also observed when the thickness of the sample is far less than the resonant wavelength. The physical origination for such a phenomenon is also analyzed. This means that we can obtain large magneto-optical Kerr effects at very thin magnetic film by using the double-negative metamaterials, which benefit the application in magnetic-optical recording. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00218979
- Volume :
- 105
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- Journal of Applied Physics
- Publication Type :
- Academic Journal
- Accession number :
- 36941164
- Full Text :
- https://doi.org/10.1063/1.3079788