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Investigation on a long pulse relativistic extended interaction cavity oscillator

Huang Hua Luo Xiong Lei Lu-Rong Luo Guang-Yao Zhang Bei-Zhen Jin Xiao Tan Jie

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Investigation on a long pulse relativistic extended interaction cavity oscillator

Huang Hua, Luo Xiong, Lei Lu-Rong, Luo Guang-Yao, Zhang Bei-Zhen, Jin Xiao, Tan Jie
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  • The mechanism of modulation and rf extraction of an S-band on an injection locked, long pulse, relativistic extended interaction cavity oscillator (REICO) is studied in this paper by experiment, theory, and simulation. The origin of pulse shortening and mode competition of the REICO driven by the long pulse intense relativistic electron beams (IREBs) is explored. The modified structure of REICO with coupler is proposed for the first time, which suppresses the pulse shortening and mode competition remarkably. The pulse width of the modulated IREB is increased from 60 ns to 140 ns, and the magnitude of the modulated IREB is increased from 2 kA to 5 kA. The microwave radiation power and efficiency are promoted obviously after adjusting the parameters of the IREB and the leading magnetic field. Using a 580 kV, 48 kA, 210 ns electron beam with 11 T leading magnetic field, more than 400MW radiated power was extracted in 160 ns FWHM pulses at 289 GHz. The power efficiency is 27%, and the energy efficiency is 23%. The radiated power is 400 MW and the FWHM pulse is 184 ns when pulse repetition frequency of IREBs is 20 Hz. The experimental results are well consistent with the simulations. The injection locked REICO generates high power microwave of power 400 MW with pulse width 100 ns.
    [1]

    [1]Barker R J, Schamiloglu E 2001 High-Power Microwave Sources and Technologies ( New York, IEEE) 77

    [2]

    [2]Huang H, Gan Y Q, Lei L R, Jin X, Ju B Q, Xiang F, Feng D C, Liu Z 2008 Acta Phys. Sin. 57 1765 (in Chinese)[黄华、甘延青、雷禄容、金晓、鞠炳全、向飞、冯弟超、刘忠 2008 物理学报 57 1765]

    [3]

    [3]Gan Y Q, Huang H, Lei L R, Jin X 2008 High power laser and particle beams 20 815 (in Chinese)[甘延青、黄华、雷禄容、金晓、张永辉、鞠炳全 2008 强激光与粒子束 20 815]

    [4]

    [4]Huang H, Jin X, Lei L Y, Gan Y Q 2008 The 35th Conference of 2 IEEE Trans on Plasma Science (Calstrulse, Germany)

    [5]

    [5]Huang H, Fan ZH K, Tan J, Ma Q SH, Gan Y Q, Chang A B 2004 Acta Phys. Sin. 53 1129 (in Chinese)[黄华、范植开、谭杰、马乔生、甘延青 2004 物理学报 53 1129]

    [6]

    [6]Huang H, Fan Z K, Meng F B, Tan J, Luo G Y, Lei L R, Jin X 2006High power laser and particle beams 18 990 (in Chinese)[黄华、范植开、孟凡宝、谭杰、罗光耀、雷禄容 2006 强激光与粒子束 18 990]

    [7]

    [7]Friedman M, Krall J, Lau Y Y, Serlin V 1990 Rei. Sci. Instrum 61 171

  • [1]

    [1]Barker R J, Schamiloglu E 2001 High-Power Microwave Sources and Technologies ( New York, IEEE) 77

    [2]

    [2]Huang H, Gan Y Q, Lei L R, Jin X, Ju B Q, Xiang F, Feng D C, Liu Z 2008 Acta Phys. Sin. 57 1765 (in Chinese)[黄华、甘延青、雷禄容、金晓、鞠炳全、向飞、冯弟超、刘忠 2008 物理学报 57 1765]

    [3]

    [3]Gan Y Q, Huang H, Lei L R, Jin X 2008 High power laser and particle beams 20 815 (in Chinese)[甘延青、黄华、雷禄容、金晓、张永辉、鞠炳全 2008 强激光与粒子束 20 815]

    [4]

    [4]Huang H, Jin X, Lei L Y, Gan Y Q 2008 The 35th Conference of 2 IEEE Trans on Plasma Science (Calstrulse, Germany)

    [5]

    [5]Huang H, Fan ZH K, Tan J, Ma Q SH, Gan Y Q, Chang A B 2004 Acta Phys. Sin. 53 1129 (in Chinese)[黄华、范植开、谭杰、马乔生、甘延青 2004 物理学报 53 1129]

    [6]

    [6]Huang H, Fan Z K, Meng F B, Tan J, Luo G Y, Lei L R, Jin X 2006High power laser and particle beams 18 990 (in Chinese)[黄华、范植开、孟凡宝、谭杰、罗光耀、雷禄容 2006 强激光与粒子束 18 990]

    [7]

    [7]Friedman M, Krall J, Lau Y Y, Serlin V 1990 Rei. Sci. Instrum 61 171

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Publishing process
  • Received Date:  06 March 2009
  • Accepted Date:  14 May 2009
  • Published Online:  15 March 2010

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