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Research on Integral Fabrication and Inner Surface Metallization of the High-Frequency Terahertz Hollow-Core Metal Rectangular Waveguide Cavity by a Combined Process Based on Wire Electrochemical Micromachining and Electrochemical Deposition [PDF]

open access: yesMicromachines, 2022
With the development of fabrication technology for terahertz rectangular cavity devices, the fabrication process of integral terahertz waveguide cavities has received much attention because of its beneficial effect on improving the transmission of ...
Xiaolei Bi, Lingchao Meng
doaj   +2 more sources

A New Technique for Broadband Matching of Open-Ended Rectangular Waveguide Radiator [PDF]

open access: yesSensors, 2023
The maximum reflection at an open end of a standard rectangular waveguide is about −10 dB in its operating frequency range. It is often used without matching. For critical applications, it is desirable to further reduce the reflection coefficient.
Ji-Won Heo   +7 more
doaj   +2 more sources

The Design of a Sliding Rectangular Waveguide Array Antenna for Beam Steering [PDF]

open access: yesJournal of Electromagnetic Engineering and Science, 2023
In this paper, we designed a sliding waveguide array antenna that can be beam-steered via mechanical manipulation. This reduces the vulnerability of electronic beam-steering radars mounted on ships or aircraft to electromagnetic pulse (EMP) attacks.
Yoon-Seon Choi   +3 more
doaj   +1 more source

SWITCH-FILTER ON A RECTANGULAR WAVEGUIDE PARTIALLY FILLED BY DIELECTRIC

open access: yesInformatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2022
At article investigates a broadband switch for microwave technology, antenna-feeder paths of which are implemented on a rectangular waveguide partially filled by dielectric.
Vitaly Pochernyaev   +2 more
doaj   +1 more source

Design and Analysis of a TEM Mode Rectangular Coaxial Waveguide for Mobile 5G Millimeter Wave Antenna Module Applications [PDF]

open access: yesJournal of Electromagnetic Engineering and Science, 2020
In this paper, design and analysis of a transverse electromagnetic (TEM) mode rectangular coaxial waveguide for a mobile 5G millimeter wave (mmWave) antenna module are presented.
Eunyoung Park, Sangkil Kim
doaj   +1 more source

Combined fabrication of terahertz hollow-core metal rectangular waveguide cavity using electrochemical deposition and selective chemical dissolution

open access: yesAIP Advances, 2022
The terahertz hollow-core metal rectangular waveguide cavity is a typical terahertz rectangular cavity structure that has several advantages and is widely used. However, the fabrication of the terahertz hollow-core metal rectangular waveguide cavity with
Xiaolei Bi, Lingchao Meng
doaj   +1 more source

Analysis of a Tapered Rectangular Waveguide for V to W Millimeter Wavebands [PDF]

open access: yesJournal of the Korean Institute of Electromagnetic Engineering and Science, 2018
An electromagnetic boundary-value problem of a tapered rectangular waveguide is rigorously solved based on eigenfunction expansion and the mode-matching method.
Sangsu Lee   +3 more
doaj   +1 more source

Design of a Broadband Transition from a Coaxial Cable to a Reduced-Height Rectangular Waveguide

open access: yesApplied Sciences, 2023
For miniaturization, rectangular waveguides with a reduced height are often required, along with a coaxial transition for signal launching. We present a simulation-based design of a broadband transition from a coaxial cable to a rectangular waveguide ...
Bayarsaikhan Dansran   +4 more
doaj   +1 more source

Microwave power penetration enhancement inside an inhomogeneous human head

open access: yesScientific Reports, 2021
The penetration of microwave power inside a human head model is improved by employing a dielectric loaded rectangular waveguide as the transmission source.
Md. Rokunuzzaman   +3 more
doaj   +1 more source

Terahertz Rectangular Waveguides by UV-LIGA with Megasonic Agitation

open access: yesMicromachines, 2022
This paper researches the fabrication of a WR2.8 terahertz rectangular waveguide operating at the frequency ranging from 260 GHz to 400 GHz via UV-LIGA technology (UV-lithography, electroplating, and molding).
Yongtao Li   +5 more
doaj   +1 more source

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