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Closed-form expression for the scattering coefficients at an interface between two periodic media
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10.1063/1.3565970
/content/aip/journal/apl/98/11/10.1063/1.3565970
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/11/10.1063/1.3565970
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Scattering at the interface of two -periodic media. In the transverse - and -directions the media can be periodic, like a fishnet, or aperiodic, like in the -periodic GWs shown in (a). Only the fundamental BMs, (incident), (reflected), and (transmitted), are shown. (b) Imaginary part of the effective index of .

Image of FIG. 2.
FIG. 2.

Test of closed form expressions for an interface between two subwavelength GWs. Red curves: Predictions of Eqs. (4) and (5). Black dots: fully-vectorial calculations obtained with the a-FMM by solving Eq. (1). The blue curves in the right panel represent the out-of-plane losses calculated by solving Eq. (2) in the LMS sense. (a) , (the incident BM is a propagating BM). (b) ( is a gap evanescent BM).

Image of FIG. 3.
FIG. 3.

Test of closed-form expressions for an interface between two fishnets. (a) . (b) . The fishnet parameters are those in Ref. 16: the periodicity in the - and -directions is , the rectangular hole dimensions are and . The refractive index of is 1.38 and the gold permittivity is at . The calculation is performed for BMs with . The inset sketches the fishnet geometry.

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/content/aip/journal/apl/98/11/10.1063/1.3565970
2011-03-15
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Closed-form expression for the scattering coefficients at an interface between two periodic media
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/11/10.1063/1.3565970
10.1063/1.3565970
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