Keywords :
antennas; filters; Frequency Selective Surfaces; Filter; Fractional bandwidths; Frequency-selective surfaces; Miniaturisation; Pass bands; Wide stop band; Computer Networks and Communications; Electrical and Electronic Engineering; Electronic, Optical and Magnetic Materials; Instrumentation
Abstract :
[en] This paper presents the design of a miniaturized intertwined pass-band inductive frequency selective surface in a 2.5D configuration. In the literature, we have identified that the 2.5D configuration has been described and used only for a capacitive intertwined frequency selective surface; therefore, we describe the design of this structure, taking Brigid's cross as an example that later on can be used as starting point for other types of structures. Moreover, the proposed structure presents high miniaturization capabilities, reaching a period of 0.00967 wavelengths and a fractional bandwidth of 30.856 % without the influence of a substrate. Finally, besides the pass-band capabilities of the structure, it also offers a wide stop-band in upper frequencies with a fractional bandwidth of 73.15 %.
Funding text :
This work was supported by the Luxembourg National Research Fund (FNR), through the CORE Project (ARMMONY): Ground-based distributed beamforming harmonization for the integration of satellite and Terrestrial networks, under Grant FNR16352790.
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