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Observation of strong transverse magneto-optical Kerr effect on surface plasmonic gratings
Conference paper

Observation of strong transverse magneto-optical Kerr effect on surface plasmonic gratings

N.P. Ling, K.H. Chou, C.T. Jhou, M.H. Lai, T.C. Chen, C.H. Lai, L.W. Wang, G.B. Lee and M.C.M. Lee
8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2013, pp.653-656
2013

Abstract

ferromagnetic material;Magneto-optical;SPR biosensor;Surface plasmon

Strong transverse magneto-optical Kerr effect (TMOKE) on Au/Fe/Au surface plasmon (SP) gratings is demonstrated. Via the optimal design of this structure, the measured Kerr parameter is 0.03, which is 3 times larger than the maximal value ever reported on a plane magneto-optical SP substrate. Moreover, the Kerr parameter is very dispersive near the SP wavelength, which can be used for a high sensitive biosensor. © 2013 IEEE.

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