A Stable 0.2-THz Coaxial-Waveguide Gyrotron Traveling-Wave-Tube Amplifier with Distributed Losses
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Infrared, Millimeter, and Terahertz Waves"
DOI: 10.1007/s10762-016-0302-9
Abstract: For high-power operation, a THz gyrotron traveling-wave-tube (gyro-TWT) amplifier must operate in a high-order waveguide mode to enlarge the transverse dimension of an interaction waveguide. However, a gyro-TWT amplifier operating in a high-order waveguide mode… read more here.
Keywords: gyrotron traveling; coaxial waveguide; wave tube; distributed losses ... See more keywords
Study of rectangular beam folded waveguide traveling-wave tube for terahertz radiation
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.5008287
Abstract: To gain higher power with a lower cathode current density and a simpler structure, a novel rectangular beam folded waveguide traveling-wave tube (RB-FW-TWT) operating at 220 GHz is proposed and analyzed in this paper and compared… read more here.
Keywords: beam; beam folded; rectangular beam; wave tube ... See more keywords
Wave–particle interactions in a long traveling wave tube with upgraded helix
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Plasmas"
DOI: 10.1063/5.0018959
Abstract: We investigate the interaction of electromagnetic waves and electron beams in a 4 m long traveling wave tube (TWT). The device is specifically designed to simulate beam-plasma experiments without appreciable noise. This TWT presents an… read more here.
Keywords: wave; long traveling; beam; wave tube ... See more keywords
Broadbanding a gyro-traveling-wave tube by chiral-dielectric material loading
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Electromagnetic Waves and Applications"
DOI: 10.1080/09205071.2018.1491895
Abstract: ABSTRACT Loading the circular waveguide interaction structure of a gyro-traveling-wave tube (gyro-TWT) with chiral material was proposed to show the possibility of widening the device bandwidth. Outlines to obtain the dispersion relation of a circular… read more here.
Keywords: chiral dielectric; gyro traveling; wave tube; structure ... See more keywords
Planar Microstrip Slow-Wave Structure for Low-Voltage V-Band Traveling-Wave Tube With a Sheet Electron Beam
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Electron Device Letters"
DOI: 10.1109/led.2018.2821770
Abstract: Slow-wave structure (SWS) is a core part of a traveling-wave-tube (TWT) amplifier. In this letter, the planar microstrip meander SWS on a dielectric substrate at $V$ -band (50–70 GHz) is studied. The basic electromagnetic parameters… read more here.
Keywords: wave structure; wave; wave tube; electron ... See more keywords
Demonstration of a Watt-Level Traveling Wave Tube Amplifier Operating Above 0.3 THz
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Electron Device Letters"
DOI: 10.1109/led.2019.2912579
Abstract: A watt-level traveling wave tube (TWT) amplifier operating above 0.3 THz has been demonstrated. This TWT based on the folded waveguide (FWG) slow-wave structure has achieved over 3.1 W of output power at 336.96 GHz,… read more here.
Keywords: operating thz; watt level; traveling wave; level traveling ... See more keywords
CW Operation of a W-Band High-Gain Helical-Waveguide Gyrotron Traveling-Wave Tube
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Electron Device Letters"
DOI: 10.1109/led.2020.2980572
Abstract: Experimental details are discussed and millimeter wave measurements presented of a W-band gyrotron traveling-wave tube (gyro-TWT) that uses a helically corrugated interaction waveguide operating at the second electron cyclotron harmonic. A method for increasing the… read more here.
Keywords: gain; traveling wave; wave tube; gyrotron traveling ... See more keywords
A $Ka$ -Band Folded Waveguide Traveling Wave Tube With Lumped Resistance Metamaterial Absorber
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Electron Devices"
DOI: 10.1109/ted.2020.2967421
Abstract: A Ka-band, folded waveguide traveling wave tube (FWG-TWT) composed of a folded waveguide (FWG) slow wave structure (SWS) and a compact lumped resistance metamaterial absorber (LR-MMA) as a sever load is proposed in this article.… read more here.
Keywords: fwg; traveling wave; mma; wave tube ... See more keywords
Theoretical and Experimental Study of a Compact Planar Slow-Wave Structure on a Dielectric Substrate for the W-Band Traveling-Wave Tube
Sign Up to like & getrecommendations! Published in 2020 at "Technical Physics"
DOI: 10.1134/s1063784220040222
Abstract: A miniature planar meander-type slow-wave structure (SWS) for a W-band traveling-wave tube is studied. Computer simulation of the SWS electrodynamic parameters is performed. A new technology for fabrication of planar microstrip SWSs with the aid… read more here.
Keywords: planar; wave structure; band traveling; wave tube ... See more keywords
A G-Band Broadband Continuous Wave Traveling Wave Tube for Wireless Communications
Sign Up to like & getrecommendations! Published in 2022 at "Micromachines"
DOI: 10.3390/mi13101635
Abstract: Development of a G-band broadband continuous wave (CW) traveling wave tube (TWT) for wireless communications is described in this paper. This device provides the saturation output power over 8 W and the saturation gain over… read more here.
Keywords: broadband continuous; wave tube; continuous wave; band broadband ... See more keywords