论文部分内容阅读
提出了一种220 GHz三次谐波光子带隙谐振腔回旋管振荡器的物理结构.利用光子晶体高频带隙确定了回旋管高阶电磁模式类TE63和三次电子回旋模的互作用状态.通过非线性理论,研究了腔内类TE63和类TE92模的弱模式竞争,得到了有利于回旋管三次谐波起振的工作条件和起振过程的非线性特征,其结果与粒子模拟基本一致.研究表明,利用光子带隙谐振腔的禁带特征,回旋管中高阶电磁模与高次电子回旋模能够发生有效的互作用关系被得到证实.
A 220 GHz third harmonic photonic bandgap resonator was proposed. The physical structure of the gyro oscillator was determined. The high-order band gap of photonic crystal was used to determine the interaction between the higher order electromagnetic mode TE63 and the third electron cyclotron. Nonlinear theory, we study the weak mode competition of TE63 and TE92 modes in cavities. The working conditions and the nonlinear characteristics of starting process are obtained, which are in good agreement with the particle simulation. The research shows that the effective interaction between high-order electromagnetic modes and high-order electron gyroscopes in the gyrotron can be confirmed by using the band gap characteristics of photonic band-gap resonators.