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    Waveguide Dispersion Tailoring by Using Embedded Impedance Surfaces

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    PhysRevApplied.10.064024.pdf
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    Type
    Article
    Authors
    He, Yijing
    Li, Yue
    Zhu, Liang
    Bagci, Hakan cc
    Erricolo, Danilo
    Chen, Pai-Yen
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    KAUST Grant Number
    CRG-2953
    Date
    2018-12-11
    Permanent link to this record
    http://hdl.handle.net/10754/630279
    
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    Abstract
    The capability to tailor the dispersion and the cut-off frequency of waveguides is of importance, as these essential parameters govern the operating frequency range and the waveguide dimension. Here, we propose the concept of substrate-integrated impedance surface (SIIS) that enables arbitrary control of propagation characteristics of closed-shape waveguides. Specifically, we develop a theoretical framework for the simplest form of SIIS constituted by a one-dimensional array of blind vias, which is equivalent to a homogenized surface capacitance embedded in the waveguide. We theoretically and experimentally demonstrate that loading a substrate-integrated waveguide (SIW) with a capacitive SIIS can effectively reduce its cut-off frequency, regardless of the transverse dimension of the SIW. In addition, a SIIS-loaded SIW exhibits several intriguing phenomena, such as the slow-wave guiding properties and the local field concentration. This SIIS-loading technique may open up new possibilities for miniaturization of various waveguide-based components and for enhancement of their uses in microwave sensing and nonlinear functions.
    Citation
    He Y, Li Y, Zhu L, Bagci H, Erricolo D, et al. (2018) Waveguide Dispersion Tailoring by Using Embedded Impedance Surfaces. Physical Review Applied 10. Available: http://dx.doi.org/10.1103/physrevapplied.10.064024.
    Sponsors
    This work is supported by the National Natural Science Foundation of China Grant No. 61771280. P.Y.C. and H.B. would like to thank KAUST Grant No. CRG-2953 for supporting the research reported in this publication.
    Publisher
    American Physical Society (APS)
    Journal
    Physical Review Applied
    DOI
    10.1103/physrevapplied.10.064024
    Additional Links
    https://journals.aps.org/prapplied/abstract/10.1103/PhysRevApplied.10.064024
    ae974a485f413a2113503eed53cd6c53
    10.1103/physrevapplied.10.064024
    Scopus Count
    Collections
    Articles; Electrical Engineering Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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