Mode Analysis of the Optical and the Microwave Waveguides Using Electromagnetic Energy Flow Lines [PDF]
, 2009 To better elucidate the essential energy transmission Mechanism in the most common, typical waveguides, the electromagnetic energy flow lines for a planar optical slab waveguide and a microwave rectangular waveguide are constructed.
Davidović, Milos D., Davidović, Milena
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Unit Cell Optimization of Groove Gap Waveguide for High Bandwidth Microwave Applications
Applied SciencesRecently, groove gap waveguides (GGWs) have shown significant potential in power handling and bandwidth enhancement compared to conventional waveguides.
Ghiayas Tahir +3 more
doaj +2 more sources
On the review of magnetic properties of metamaterials CRLH microwave couplers: Design and analysis [PDF]
Journal of Engineering Science and Military Technologies, 2023 This paper introduces a review of the design and analysis of different designs for tunable/nonreciprocal and compact-size microwave couplers. The presented couplers are designed based on composite right/left-handed (CRLH) transmission lines and in the ...
Mahmoud Abdalla, zhirun Hu
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On-chip THz studies of low-dimensional semiconductor systems [PDF]
, 2013 A wide range of novel on-chip integration techniques were developed to explore the low-temperature perturbation of GaAs/AlGaAs based confined electron systems at terahertz frequencies.
Mistry, Divyang Kishore
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Transparent Topological Meta-Diplexer via Tightly Confined Valley Surface States. [PDF]
Adv Sci (Weinh)An optically transparent topological metasurface supporting tightly confined valley surface states enables robust and flexible wave routing in an ultrathin platform. A compact transparent meta‐diplexer with spatially and spectrally separated channels is realized, while communication experiments verify high‐fidelity signal transmission, opening new ...
Li S +5 more
europepmc +2 more sources
The effect of standing waves on the attenuation constant for a low‐loss rectangular waveguide
Electronics Letters, 2021 When standing waves are present in a rectangular waveguide, the resistive losses in the walls are not uniformly distributed. This affects the measurement of the attenuation constant.
Richard J. Collier +2 more
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Electronics Letters, 2021 A multibeam antenna with a single input port using a cavity‐based waveguide structure is implemented. The proposed structure uses a cylindrical cavity and a higher‐order TM21 mode is excited in it. The higher‐order mode is to divide the incoming power in
Shakti Singh Chauhan +3 more
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Low‐profile circularly polarized metasurface antenna with tailored reflection phase
Electronics Letters, 2021 A low‐profile metasurface antenna with circularly polarized radiation and tailored anisotropic reflection is proposed in this letter. The metasurface antenna composed of excitation structure (microstrip line with coupling slot) and a metasurface layer ...
Yi Zhao, Xu Yao, Chun‐yu Wang
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Substrate integrated waveguide based class‐F power amplifier
Electronics Letters, 2022 This work outlines the design, implementation, and experimental results of a Class‐F power amplifier (PA) with a novel output matching topology by utilizing substrate integrated waveguide (SIW).
Fei Yang +5 more
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Miniaturized inverted ultra‐wideband multiple‐input multiple‐output antenna with high isolation
Electronics Letters, 2021 For the ultra‐wideband (UWB) transmission requirements in wireless communication systems and better miniaturization of mobile terminal antennas, a compact UWB multiple‐input multiple‐output (MIMO) antenna with higher isolation between units is proposed ...
Jing‐Chang Nan +3 more
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