Resonant Wood's anomaly diffraction condition in dielectric and plasmonic grating structures

The general features of the light scattering resulting in the so-called resonant Wood's anomalies in the reflection and transmission spectra are described using the effective parameters of a quasi-guided mode. The expression determining the spectral angular dependence of Wood's anomaly in...

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Bibliographic Details
Published in:arXiv.org 2016-12
Main Author: Voronov, Mikhail M
Format: Article
Language:English
Subjects:
Anomalies
Dependence
Gratings (spectra)
Light scattering
Polaritons
Online Access:Get full text
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Summary:The general features of the light scattering resulting in the so-called resonant Wood's anomalies in the reflection and transmission spectra are described using the effective parameters of a quasi-guided mode. The expression determining the spectral angular dependence of Wood's anomaly in the case of plasmonic grating structures is given and compared to the analogous expression for dielectric grating structures. Comparison of the resonant Wood's anomalies (RWA) with the surface plasmon-polariton resonances (SPPRs) is discussed as well.
ISSN:2331-8422