| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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A tunable magnetically insulated transmission line oscillator |
| Fan Yu-Wei (樊玉伟), Wang Xiao-Yu (王晓玉), He Liang (赫亮), Zhong Hui-Huang (钟辉煌), Zhang Jian-De (张建德) |
| College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha 410073, China |
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Abstract A tunable magnetically insulated transmission line oscillator (MILO) is put forward and simulated. When the MILO is driven by a 430 kV, 40.6 kA electron beam, high-power microwave is generated with a peak output power of 3.0 GW and frequency of 1.51 GHz, and the relevant power conversion efficiency is 17.2%. The 3-dB tunable frequency range (the relative output power is above half of the peak output power) is 2.25-0.825 GHz when the outer radius of the slow-wave structure (SWS) vanes ranges from 77 mm to 155 mm, and the 3-dB tuning bandwidth is 92%, which is sufficient for the aim of large-scale tuning and high power output.
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Received: 29 October 2014
Revised: 30 November 2014
Accepted manuscript online:
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PACS:
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52.59.-f
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(Intense particle beams and radiation sources)
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52.65.Rr
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(Particle-in-cell method)
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52.27.Ny
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(Relativistic plasmas)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11075210) and the Special Financial Grant from the China Postdoctoral Science Foundation (Grant No. 201104761). |
Corresponding Authors:
Fan Yu-Wei
E-mail: fyw9108212@126.com
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Cite this article:
Fan Yu-Wei (樊玉伟), Wang Xiao-Yu (王晓玉), He Liang (赫亮), Zhong Hui-Huang (钟辉煌), Zhang Jian-De (张建德) A tunable magnetically insulated transmission line oscillator 2015 Chin. Phys. B 24 035203
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