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Jing WANG (王晶), Yu FAN(樊宇), Chen YANG (杨晨), Ding ZHAO (赵鼎), Gang WANG (王刚), Jirun LUO (罗积润). Effect of cyclotron resonance on ‘hot’ dispersion in a staggered double metallic grating sheet beam travelling wave tube[J]. Plasma Science and Technology, 2019, 21(8): 85505-085505. DOI: 10.1088/2058-6272/ab20df
Citation: Jing WANG (王晶), Yu FAN(樊宇), Chen YANG (杨晨), Ding ZHAO (赵鼎), Gang WANG (王刚), Jirun LUO (罗积润). Effect of cyclotron resonance on ‘hot’ dispersion in a staggered double metallic grating sheet beam travelling wave tube[J]. Plasma Science and Technology, 2019, 21(8): 85505-085505. DOI: 10.1088/2058-6272/ab20df

Effect of cyclotron resonance on ‘hot’ dispersion in a staggered double metallic grating sheet beam travelling wave tube

  • Based on the beam wave synchronous interaction in transverse and longitudinal directions at the
    same time and starting from Maxwell’s equation and linear Vlasov equation, the beam–wave
    interaction ‘hot’ dispersion equation considering both cyclotron resonance and Cherenkov
    resonance in a staggered double metallic grating traveling wave tube is deduced. Through the
    reasonable selection for geometric and electrical parameters, the numerical calculation and
    analysis of the ‘hot’ dispersion equation shows that the beam–wave interaction gain and
    frequency band with the cyclotron resonance enhancement effect are higher than those with only
    Cherenkov resonance radiation.
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