Journal ArticleDOI
Dual-Band Capacitive Loaded Frequency Selective Surfaces With Close Band Spacing
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TLDR
In this article, a novel miniaturized dual-band capacitive loaded frequency selective surface (FSS) is presented, in which each periodic cell consist of two neighboring capacitiveloaded ring slot resonators with the same dimension.Abstract:
In this letter, a novel miniaturized dual-band capacitive loaded frequency selective surface (FSS) is presented, in which each periodic cell consist of two neighboring capacitive loaded ring slot resonator with the same dimension. To eliminate the undesired coupling between unit cells, the unit cell is placed in a Faraday cage structure created by arrays of metallic substrate vias. An S-band dual-band FSS with such structures is designed and fabricated, both simulated and measured results show that the proposed FSS provides high transmission with close band spacing at 2.5 and 3.5 GHz, and there is no other resonance frequency up to 15 GHz. Furthermore, the FSS dimension is miniaturized to 0.082 lambda (lambda refer to the resonant wavelength of 2.5 GHz). Also, it is not sensitive to the angle of oblique incidence wave. The design and discussion about dual-band FSS loading with lumped elements is presented for the first time.read more
Citations
More filters
Journal ArticleDOI
Filter-Antenna Consisting of Conical FSS Radome and Monopole Antenna
TL;DR: In this paper, a filter-antenna consisting of a monopole antenna and a conical frequency selective surface (FSS) radome was designed and investigated, and a coupled-resonator spatial filter was used to design an FSS array with stable performances.
Journal ArticleDOI
Design Methodology for a Miniaturized Frequency Selective Surface Using Lumped Reactive Components
TL;DR: In this article, the design methodology for a miniaturized frequency selective surface (FSS) using lumped reactive components is described, where capacitive and inductive elements are utilized in metallic patches to create current loops similar to that observed in bandpass aperture type FSS.
Journal ArticleDOI
Low-Profile, Highly-Selective, Dual-Band Frequency Selective Surfaces With Closely Spaced Bands of Operation
TL;DR: In this article, a dual-band frequency selective surface (FSS) with closely spaced bands of operation and a highly selective frequency response at each band is presented, which is attributed to the extremely small overall thickness of the structure as well as its small unit cell dimensions.
Journal ArticleDOI
FSS Properties of a Uniplanar EBG and Its Application in Directivity Enhancement of a Microstrip Antenna
TL;DR: In this article, the frequency selective surface (FSS) properties of a uniplanar electromagnetic band-gap unit cell are studied and a 13 × 13 array of these unit cells is used as a superstrate at a distance ≈ 0.5λ from the center frequency of the FSS passband.
Journal ArticleDOI
An Angularly Stable Dual-Band FSS With Closely Spaced Resonances Using Miniaturized Unit Cell
TL;DR: In this paper, a dual-band frequency selective surface (FSS) with closely spaced resonance is presented, which comprises of meander lines printed on a single-layer dielectric substrate to provide dual stopband characteristic.
References
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Book
Frequency Selective Surfaces: Theory and Design
TL;DR: In this article, the authors present a comparison of band-pass and Dichroic filter designs for one and two-dimensional periodic structures, and present an overview of the current state-of-the-art.
Journal ArticleDOI
FD-TD modeling of digital signal propagation in 3-D circuits with passive and active loads
TL;DR: In this paper, the authors discuss full-wave modeling of electronic circuits in three dimensions using the finite-difference time-domain (FD-TD) solution of Maxwell's equations.
Journal ArticleDOI
Time-domain analysis of periodic structures at oblique incidence: orthogonal and nonorthogonal FDTD implementations
TL;DR: In this paper, a novel implementation of periodic boundary conditions incorporated into the finite-difference time-domain (FDTD) technique in both orthogonal and nonorthogonal grids is presented.
Journal ArticleDOI
Multiband frequency selective surface with multiring patch elements
Te-Kao Wu,Shung-Wu Lee +1 more
TL;DR: In this article, a multiband frequency selective surface (FSS) with perfectly conducting multiring patch elements is presented, and it is found that the narrow-ring approximation is valid for a ring width less than 0.025/spl lambda with /spl lambda/ being the wavelength of the FSS's resonant frequency.
Journal ArticleDOI
Four-band frequency selective surface with double-square-loop patch elements
TL;DR: In this article, a double-square-loop (DSL) FSS with perfectly conducting double-squeeze-loop patch elements is proposed for the Cassini Project.