使用漂移管和双提取腔的脊载 S 波段 MILO

IF 1.3 4区 物理与天体物理 Q3 PHYSICS, FLUIDS & PLASMAS
Bilawal Ali;Yubin Gong;Shaomeng Wang;Muhammad Khawar Nadeem;Jibran Latif;Atif Jameel;Yang Dong;Zhanliang Wang
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Ridge-Loaded S-Band MILO Using Drift Tube and Dual Extraction Cavity
A magnetically insulated line oscillator (MILO) is a unique high-power microwave (HPM) device distinct by its inherent ability to generate a self-insulating magnetic field. In this article, an S-band ridge-loaded MILO is studied. The current design incorporates a drift section in a region of slow wave structure (SWS), resulting in a reduction of the axial velocity ( $v_{z}$ ) spread of the modulated beam. Another, a dual extraction cavity is designed in the extraction region. So, the axial electric field is enhanced, and beam-wave interaction is lengthened in this region; consequently, efficiency is increased. Dispersion characteristic is obtained in eigenmode analysis. In 3-D particle-in-cell simulation, the presented MILO generates a 4.5-GW average output power at 2.56-GHz frequency with an application of 500-kV voltage and a current of 42 kA. The average efficiency is elevated to 21.4%, while it is only 15.7% for conventional ridge-loaded MILO for the same input parameters, so the net increase in efficiency is 36%.
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来源期刊
IEEE Transactions on Plasma Science
IEEE Transactions on Plasma Science 物理-物理:流体与等离子体
CiteScore
3.00
自引率
20.00%
发文量
538
审稿时长
3.8 months
期刊介绍: The scope covers all aspects of the theory and application of plasma science. It includes the following areas: magnetohydrodynamics; thermionics and plasma diodes; basic plasma phenomena; gaseous electronics; microwave/plasma interaction; electron, ion, and plasma sources; space plasmas; intense electron and ion beams; laser-plasma interactions; plasma diagnostics; plasma chemistry and processing; solid-state plasmas; plasma heating; plasma for controlled fusion research; high energy density plasmas; industrial/commercial applications of plasma physics; plasma waves and instabilities; and high power microwave and submillimeter wave generation.
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