Surface waves of different types can be compounded when a homogeneous layer is sandwiched between two half spaces filled with dissimilar periodically non-homogeneous dielectric materials and the intermediate layer is sufficiently thin. We solved the boundary-value problem for compound waves guided by a layer of a homogeneous and isotropic (metal or dielectric) material sandwiched between a structurally chiral material (SCM) and a periodically multi-layered isotropic dielectric material. We found that the periodicity of the SCM is crucial to excite a multiplicity of compound guided waves with strong coupling between the two interfaces.
Francesco Chiadini, Vincenzo Fiumara, Antonio Scaglione, and Akhlesh Lakhtakia, "Periodicity effects on compound guided waves," Proc. SPIE 9929, Nanostructured Thin Films IX, 99290P (Presented at SPIE Nanoscience + Engineering: August 31, 2016; Published: 26 September 2016); https://doi.org/10.1117/12.2236461.
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