The relativistic interaction of charged particle beams with a circularly polarized electromagnetic wave propagating along a uniform guiding magnetic field in the tunneling of a dielectric medium is analyzed. The accel...The relativistic interaction of charged particle beams with a circularly polarized electromagnetic wave propagating along a uniform guiding magnetic field in the tunneling of a dielectric medium is analyzed. The acceleration mechanism and a self-consistent nonlinear theory are presented for the interaction of relativistic charged particle beams with electromagnetic waves. Numerical results show that the beam particle can be efficiently accelerated in the interaction process.展开更多
An electron cyclotron maser based on anomalous Doppler effect(ADECM)with an initially axial beam velocity is considered,and the nonlinear equation of beam-wave interaction is presented.With the numerical methods,the n...An electron cyclotron maser based on anomalous Doppler effect(ADECM)with an initially axial beam velocity is considered,and the nonlinear equation of beam-wave interaction is presented.With the numerical methods,the nonlinear dynamics of the ADECM is investigated.It is shown that the saturated interaction efficiency of the ADECM approaches 90%and the interaction length for the saturated efficiency spans about 5–20 cm.The results may be of importance for designing a compact device in applications in microwave generations or microwave heating of ceramic laminates.展开更多
基金supported by National Natural Science Foundation of China(Nos.51275029,51102007 and 11275007)
文摘The relativistic interaction of charged particle beams with a circularly polarized electromagnetic wave propagating along a uniform guiding magnetic field in the tunneling of a dielectric medium is analyzed. The acceleration mechanism and a self-consistent nonlinear theory are presented for the interaction of relativistic charged particle beams with electromagnetic waves. Numerical results show that the beam particle can be efficiently accelerated in the interaction process.
基金by the National Natural Science Foundation of China under Grant No 51102007the Fundamental Research Funds for the Central Universities of China under Grant No ZZ1131.
文摘An electron cyclotron maser based on anomalous Doppler effect(ADECM)with an initially axial beam velocity is considered,and the nonlinear equation of beam-wave interaction is presented.With the numerical methods,the nonlinear dynamics of the ADECM is investigated.It is shown that the saturated interaction efficiency of the ADECM approaches 90%and the interaction length for the saturated efficiency spans about 5–20 cm.The results may be of importance for designing a compact device in applications in microwave generations or microwave heating of ceramic laminates.
