NDLI: Magnetic Surface Polariton in a Planar Biaxial Metamaterial with Dual Negative Magnetic Permeabilities

Content Provider	Springer Nature Link
Author	Yang, Yu Hang Un, Ieng Wai Lee, Hsin Cheng Yen, Ta Jen
Copyright Year	2011
Abstract	The magnetic surface polaritons (MSPs) mode rarely exists in natural materials, mainly due to their limited magnetic response. In order to understand the relationship between the MSPs mode and the limited magnetic response, we theoretically derive a general dispersion equation of the MSPs mode for two kinds of biaxial anisotropic media. The dispersion equation suggests the requirements of μ $_{ x }$ < 0 < ε $_{ z }$, μ $_{ x }$ μ $_{ y }$ > 1, and momentum conservation need to be satisfied, which guides us to design a planar biaxial magnetic metamaterials (PBMM) with two orthogonal negative permeabilities (i.e., μ $_{ x }$ < 0 and μ $_{ y }$ < 0). In addition, the results of the retrieval magnetic permeability and electric permittivity indeed point out that our PBMM satisfies the aforementioned requirements. Meanwhile, we investigate the mechanism of the magnetic field by a consideration of an induced current loop, and subsequently we demonstrate the artificial MSPs mode under transverse electric excitation by numerical simulation. After a numerical fit of simulation results, we find that the field of the MSPs mode is in good agreement with the analytical calculation of Maxwell’s equations. Moreover, we also simulate three unsatisfied aforementioned requirements as control conditions to verify the general dispersion equation of the MSPs mode.
Starting Page	87
Ending Page	92
Page Count	6
File Format	PDF
ISSN	15571955
Journal	Plasmonics
Volume Number	7
Issue Number	1
e-ISSN	15571963
Language	English
Publisher	Springer US
Publisher Date	2011-09-02
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Magnetic surface polaritons Polaritons Metamaterials Biotechnology Biochemistry Nanotechnology Biophysics and Biological Physics
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Biochemistry Biophysics Biotechnology

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