GUIDED-MODE RESONANCE FILTER COMPENSATED TO OPERATE ON A CURVED SURFACE | Zendy

Raymond C. Rumpf | Zendy; Marvin Gates | Zendy; Carrie L. Kozikowski | Zendy; W.A. Davis | Zendy

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GUIDED-MODE RESONANCE FILTER COMPENSATED TO OPERATE ON A CURVED SURFACE

Author(s) -

Raymond C. Rumpf,

Marvin Gates,

Carrie L. Kozikowski,

W.A. Davis

Publication year - 2013

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc13041209

Subject(s) - mode (computer interface) , resonance (particle physics) , filter (signal processing) , surface (topology) , acoustics , materials science , control theory (sociology) , physics , computer science , mathematics , computer vision , atomic physics , geometry , artificial intelligence , operating system , control (management)

Guided-mode resonance fllters (GMRFs) are highly compact structures that can produce a strong frequency response from a single thin layer of dielectric. When a GMRF is formed onto a curved surface, the local angle of incidence varies over the aperture of the device and the overall performance signiflcantly degrades. In the present work, we spatially varied the grating period of a curved GMRF to perfectly compensate for the local angle of incidence. The performance of our curved device actually surpassed that of our ∞at device because it also compensated for the spherical wave front from the source. This paper summarizes our design process and experimental results obtained around 25GHz.

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