Metamaterial-inspired vacuum electron devices and accelerators
Z Duan, MA Shapiro, E Schamiloglu… - … on Electron Devices, 2018 - ieeexplore.ieee.org
Metamaterials (MTMs) are structured materials with subwavelength features that can be
engineered to have some unique properties not found in nature, such as negative refractive …
engineered to have some unique properties not found in nature, such as negative refractive …
Generation of high-power, reversed-Cherenkov wakefield radiation in a metamaterial structure
We present the first demonstration of high-power, reversed-Cherenkov wakefield radiation
by electron bunches passing through a metamaterial structure. The structure supports a …
by electron bunches passing through a metamaterial structure. The structure supports a …
Generation of 565 MW of -band power using a metamaterial power extractor for structure-based wakefield acceleration
We report the generation of up to 565 MW, 2.7 ns (FWHM) pulses at 11.7 GHz from a
metamaterial structure in test at the Argonne Wakefield Accelerator. The highest power was …
metamaterial structure in test at the Argonne Wakefield Accelerator. The highest power was …
[HTML][HTML] Coherent high-power RF wakefield generation by electron bunch trains in a metamaterial structure
We present an experimental study of coherent high-power wakefield generation in a
metamaterial (MTM) structure at 11.7 GHz by 65 MeV electron bunch trains at the Argonne …
metamaterial (MTM) structure at 11.7 GHz by 65 MeV electron bunch trains at the Argonne …
Cherenkov radiation and emission of surface polaritons from charges moving paraxially outside a dielectric cylindrical waveguide
AA Saharian, LS Grigoryan, AK Grigorian… - Physical Review A, 2020 - APS
We investigate the radiation from a charged particle moving outside a dielectric cylinder
parallel to its axis. It is assumed that the cylinder is immersed into a homogeneous medium …
parallel to its axis. It is assumed that the cylinder is immersed into a homogeneous medium …
Design of thin wire metamaterial-based interaction structure for backward wave generation
In this article, a thin wire (TW) metamaterial (MTM)-based interaction structure has been
reported as a potential candidate for realizing a backward wave oscillator (BWO). The …
reported as a potential candidate for realizing a backward wave oscillator (BWO). The …
[HTML][HTML] Coherent Cherenkov-cyclotron radiation excited by an electron beam in a two-spiral metamaterial waveguide
We present the analysis of a microwave generator that uses two-spiral metamaterial (MTM)
plates in a below cutoff WR340 waveguide that interacts with a high-power electron beam …
plates in a below cutoff WR340 waveguide that interacts with a high-power electron beam …
PIC simulation of the coherent Cerenkov–Cyclotron radiation excited by a high-power electron beam in a crossed-elliptical metamaterial oscillator at S-band
M Liu, E Schamiloglu, C Wang, J Feng… - … on Plasma Science, 2021 - ieeexplore.ieee.org
We present an S-band high-power microwave (HPM) oscillator based on crossed-elliptical
metamaterial (MTM) rings in a circular waveguide and powered by a high-power electron …
metamaterial (MTM) rings in a circular waveguide and powered by a high-power electron …
Oscillator and Amplifier Based on Reversed Cherenkov Radiation
Z Duan - Metamaterial-Based Electromagnetic Radiations and …, 2024 - Springer
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[HTML][HTML] Linear theory of instabilities generated by an electron beam in a metamaterial-loaded waveguide
We present the linear theory of the starting current of Cherenkov-cyclotron and Cherenkov
instabilities generated by an electron beam passing through a metamaterial-loaded …
instabilities generated by an electron beam passing through a metamaterial-loaded …