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本文引入了下述实验结果:一个工作在回旋频率二次谐波的回旋管,当输出功率电平很高时,管子工作不稳定的原因不仅在于硬自激,而且还在于管内存在着三种竞赛(即纵向下标与工作模式不同的模式的竞争、回旋频率二次谐波上的谐振电子注的模式竞争,以及对处于基本回旋谐振状态醚电子产生作用的行波的竞争)。结果表明,同时抑制所有干扰模式有可能大大提高振荡的稳定性和输出功率。
In this paper, the following experimental results are introduced: A gyrotron operating at the second harmonic of the cyclotron frequency, when the output power level is very high, the reason for the instability of the tube is not only the hard self-excitation, but also the existence of three Competition (ie competition between modes with different modes of vertical subscripts and modes of operation, mode competition of resonant electron injection on the second harmonic of the cyclotron frequency, and competition of traveling waves at the etheric generation of the fundamental cyclotron resonance). The results show that it is possible to greatly improve the oscillation stability and output power while suppressing all interference modes simultaneously.