Study of superradiance based on a low-voltagebackward wave oscillator

WU Jie; FANG Zhi-Cong; XIE Hong-Quan; LI Zheng-Hong

doi:10.1088/1674-1137/37/4/047002

Chinese Physics C> 2013, Vol. 37> Issue(4) : 047002 DOI: 10.1088/1674-1137/37/4/047002

Study of superradiance based on a low-voltagebackward wave oscillator

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Abstract：
According to the small size requirement for wide-band high-power microwave radiation, a superradiance backward wave oscillator (BWO) is proposed to generate such high-power microwave radiation with a low voltage (～20 kV) pulse power supply and low guiding magnet field (～0.1 T). In order to get a high-efficiency C-band superradiance BWO with a low beam voltage and a low guiding magnet field, the mechanism of superradiance in a BWO is explored in particle-in-cell simulation. With the oversized structure, the simulation shows that a microwave power of 405 kW with a frequency of 5.6 GHz and a spectrum width of 500 MHz can be obtained with a voltage of 23 kV and magnetic field of 0.1 T.

References

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Dicke R H. Phys. Rev. E, 1954, 93: 99-110[2] Ginzburg N S, Novozhiova N Y, Zotova I V et al. Phys. Rev. E, 1999, 60(3): 3297-3304[3] Eltchaninov A A, Korovin S D, Pegel I V et al. IEEE Trans. Plasma Sci, 2004, 32(3): 1093-1099[4] Klimov A I, Korovin S D, Rostov V et al. IEEE Trans. Plasma Sci., 2002, 30(3): 1120-1125[5] Ginzburg N S. Pis'ma Zh. Tekh. Fiz. 1988, 14(5): 197-200[6] HU Lin-Lin, MENG Fan-Bao, CHEN Hong-Bin et al. High Energy Physics and Nuclear Physics, 2006, 30(11): 1096-1099 (in Chinese)[7] DONG Ye, DONG Zhi-Wei, ZHOU Hai-Jing. High Power Laser and Particle Beams, 2007, 19(4): 671-676 (in Chinese)[8] DONG Ye, DONG Zhi-Wei, YANG Wen-Yuan et al. High Power Laser and Particle Beams, 2008, 20(7): 1167-1172 (in Chinese)[9] YANG Wen-Yuan, DONG Ye, Dong Zhi-Wei. High Power Laser and Particle Beams, 2010, 22(3): 630-634 (in Chinese)

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WU Jie, FANG Zhi-Cong, XIE Hong-Quan and LI Zheng-Hong. Study of superradiance based on a low-voltagebackward wave oscillator[J]. Chinese Physics C, 2013, 37(4): 047002. doi: 10.1088/1674-1137/37/4/047002

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Received: 2012-03-19
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of superradiance based on a low-voltagebackward wave oscillator

Corresponding author: WU Jie,

Received Date: 2012-03-19
Accepted Date: 1900-01-01
Available Online: 2013-04-05

Abstract: According to the small size requirement for wide-band high-power microwave radiation, a superradiance backward wave oscillator (BWO) is proposed to generate such high-power microwave radiation with a low voltage (～20 kV) pulse power supply and low guiding magnet field (～0.1 T). In order to get a high-efficiency C-band superradiance BWO with a low beam voltage and a low guiding magnet field, the mechanism of superradiance in a BWO is explored in particle-in-cell simulation. With the oversized structure, the simulation shows that a microwave power of 405 kW with a frequency of 5.6 GHz and a spectrum width of 500 MHz can be obtained with a voltage of 23 kV and magnetic field of 0.1 T.