轴向引导磁场对螺旋电子束多普勒tron型等离子束超外差自由电子激光器增益特性的影响

2018 9th International Conference on Ultrawideband and Ultrashort Impulse Signals (UWBUSIS) Pub Date : 2018-09-01 DOI:10.1109/UWBUSIS.2018.8520262

A. Lysenko, G. Oleksiienko

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引用次数: 0

摘要

在三次非线性理论的框架下，分析了轴向引导磁场对螺旋相对论电子束多普勒tron型等离子体束超外差自由电子激光器(SFEL)波动动力学的影响。我们已经找到了磁场的临界值和饱和水平。我们发现电磁波的饱和水平在纵向磁场强度的某一值(磁场临界值)时达到最大值。我们演示了等离子束SFEL产生毫米波波长范围内强大电磁辐射的可能性。

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Axial Guiding Magnetic Field Influence on Gain Characteristics of Plasma-Beam Superheterodyne Free-Electron Laser of Dopplertron Type with Helical Electron Beam

We have analyzed the effect of axial guiding magnetic field on the wave dynamics in plasma-beam superheterodyne free electron laser (SFEL) of the Dopplertron type with helical relativistic electron beam in the framework of cubic nonlinear theory. We have found the magnetic field critical values and the saturation levels. We found out that the saturation level of electromagnetic waves is maximal at a certain value of the longitudinal magnetic field strength (the magnetic field critical value). We demonstrated the possibility of a plasma-beam SFEL to generate powerful electromagnetic radiation in the millimeter wavelength range.

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2018 9th International Conference on Ultrawideband and Ultrashort Impulse Signals (UWBUSIS)

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