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http://hdl.handle.net/20.500.12358/25797
Title | Metal-clad waveguide sensor using a left-handed material as a core layer |
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Untitled | |
Abstract |
A four-layer waveguide structure comprising a dielectric substrate, a metal layer, a left-handed material (LHM) as a guiding layer, and a cladding is investigated as a metal-clad waveguide sensor. Fresnel reflection coefficients are used to study the resonance dips at which the reflectance minimizes. Our calculations show that the proposed structure has a preference over the surface-plasmon resonance structure since it gives a much sharper reflectance dip and can achieve considerable sensitivity improvement. The effects of the LHM permittivity, permeability, and thickness on the reflectance curves is studied. |
Type | Journal Article |
Date | 2012 |
Published in | JOSA B |
Series | Volume: 29, Number: 5 |
Publisher | Optical Society of America |
Citation | |
Item link | Item Link |
License | ![]() |
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