Synthesis of micro- and nanostructured materials via oscillating reactions initiated by high-power microwave pulses
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.09.262
Abstract: Abstract Herein we describe the results of our study of plasma chemical process initiated by high-power microwave pulses generated by 75/0.8 gyrotron (frequency 75 GHz, pulse duration up to 12 ms, power up to 550 kW) in mixtures… read more here.
Keywords: microwave pulses; high power; power; initiated high ... See more keywords
Characterization of a Thermoacoustic-based Pulsed High Power Microwave Detector Chain
Sign Up to like & getrecommendations! Published in 2022 at "Health Physics"
DOI: 10.1097/hp.0000000000001626
Abstract: Abstract Detection of microwave-induced thermoacoustic (TA) wave generation was evaluated as a potential technique for detection of high power microwave (HPM) directed energy exposure. Even when HPM is employed for counter-materiel effects, incidental but still… read more here.
Keywords: power microwave; physics; high power; characterization thermoacoustic ... See more keywords
Mechanism of AlGaAs/InGaAs pHEMT Nonlinear Response Under High-Power Microwave Radiation
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of the Electron Devices Society"
DOI: 10.1109/jeds.2020.3008816
Abstract: With the development of microelectronic technology, the reliability of devices in a complex electromagnetic environment has become one of the greatest challenges in the semiconductor industry. On this basis, a phenomenon of nonlinear transient response… read more here.
Keywords: nonlinear response; high power; response; power microwave ... See more keywords
Simulation of High-Power Microwave Air Breakdown Modeled by a Coupled Maxwell–Euler System With a Non-Maxwellian EEDF
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2018.2804482
Abstract: In this paper, a discontinuous Galerkin time-domain (DGTD) method is developed to simulate high-power microwave air breakdown phenomena, which is modeled by a coupled electromagnetic–plasma system. In the coupled system, the electromagnetic fields are governed… read more here.
Keywords: high power; system; air; microwave air ... See more keywords
A Beam-Steerable Lens Antenna for Ku-Band High-Power Microwave Applications
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2020.2979282
Abstract: A beam-steerable lens antenna based on the concept of Risley prism is presented in this communication. The antenna is made up of a feed antenna and three transmit-array (T-A) lenses, including a stationary lens and… read more here.
Keywords: high power; power; lens antenna; power microwave ... See more keywords
Investigation on Failure Mechanisms of GaN HEMT Caused by High-Power Microwave (HPM) Pulses
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Electromagnetic Compatibility"
DOI: 10.1109/temc.2016.2628046
Abstract: This study aims at studying thermal and stress breakdown of gallium nitride (GaN) high-electron-mobility transistors (HEMTs) with a high-power microwave (HPM) pulse injected. A thermal breakdown model, depending on its pulse width and duty cycle,… read more here.
Keywords: high power; power; hpm; power microwave ... See more keywords
Exploration of Collector Materials in High-Power Microwave Sources
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Plasma Science"
DOI: 10.1109/tps.2018.2792905
Abstract: The plasma effects of energetic electron bombardment on component materials severely limit the output pulsed energies of high-power microwave (HPM) sources. This paper proposes a feasible method for choosing materials for beam collectors in HPM… read more here.
Keywords: high power; exploration collector; titanium; collector ... See more keywords
A Dual-Frequency High-Power Microwave Generator
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Plasma Science"
DOI: 10.1109/tps.2019.2932039
Abstract: We propose a novel dual-frequency high-power microwave generator consisting of both an axial generator and a radial one stretching from the middle of the tube head of the former. As a high-voltage pulse is injected… read more here.
Keywords: high power; dual frequency; generator; power microwave ... See more keywords
Artefact and ablation performance of an MR-conditional high-power microwave system in bovine livers: an exvivo study
Sign Up to like & getrecommendations! Published in 2019 at "European Radiology Experimental"
DOI: 10.1186/s41747-019-0115-4
Abstract: BackgroundWe evaluated a magnetic resonance (MR)-conditional high-power microwave ablation system.MethodsAn exvivo 1.5-T evaluation was conducted by varying the sequence (T1-weighted volume interpolated breath-hold examination, T1w-VIBE; T1-weighted fast low-angle shot, T1w-FLASH; T2-weighted turbo spin-echo, T2w-TSE), applicator… read more here.
Keywords: high power; system; ablation; bovine livers ... See more keywords
A FRAMEWORK FOR PEAK POWER EXCEEDANCES OF HIGH POWER MICROWAVE RADIATORS APPLIED TO A VIRCATOR SURROGATE MODEL
Sign Up to like & getrecommendations! Published in 2021 at "Progress in Electromagnetics Research B"
DOI: 10.2528/pierb21011301
Abstract: Uncertainty quantification and variability analysis are two domains of interest when looking at the efficiency of HPEM sources. Vircator is known to be a low efficiency high power microwave source subject to several generally volatile… read more here.
Keywords: surrogate model; high power; power; power microwave ... See more keywords
Anti-High-Power Microwave RFID Tag Based on Highly Thermal Conductive Graphene Films
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16093370
Abstract: In this paper, a radio frequency identification (RFID) tag is designed and fabricated based on highly electrical and thermal conductive graphene films. The tag operates in the ultrahigh-frequency (UHF) band, which is suitable for high-power… read more here.
Keywords: graphene; power microwave; anti high; high power ... See more keywords