The dispersion relations of normal modes in the layered constructions are studied.In the frequency region with negative permittivity,we investigate the normal modes near the air-metal and the air-matematerial interfaces and compare them.An extra bulk mode appearing in a pass band of two media is found near the air-matematerial interface,which is different from the air-metal case.Moreover,the bulk mode will be further proved by the attenuated total reflection (ATR) technique,in which the coupling between the incident electromagnetic waves and the normal modes is studied.For p-polarized incident waves,the ATR spectra based on the Otto and the Kretschmann configurations are obtained numerically,where the dips present the excitations of the surface and bulk modes.Furthermore,we also discuss the influences of the middle layer thickness,the incident angle and the damping term on the reflection in detail.It is found that the coupling frequencies and the maximum strength are strongly dependent on the above media parameters.
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机译:Characterization of the differences in the crystallinity from surface to bulk of compression‐molded polypropene sheets using attenuated total reflection fourier‐transform IR spectroscopy
机译:Use of Total Internal Reflection Raman (TIR) and Attenuated Total Reflection Infrared (ATR-IR) Spectroscopy to Analyze Component Separation in Thin Offset Ink Films After Setting on Coated Paper Surfaces
机译:Quantitative In Situ Attenuated Total Internal Reflection Fourier Transform Infrared Study of the Isotherms of Poly(sodium 4-styrene sulfonate) Adsorption to a TiO2 Surface over a Range of Cetylpyridinium Bromide Monohydrate Concentration
机译:materialmodell没有。 72 foer Betong:Erfarenheter fran en Experimentell och Numberisk studie(material modell no.72 for concrete-Experience from a Experimental and Numerical study)。