Suppression of High-Order Asymmetric Modes by Reflection Adjustment Method in Coaxial Slow Wave Structures
Suppression of High-Order Asymmetric Modes by Reflection Adjustment Method in Coaxial Slow Wave Structures
复制标题
同轴慢波结构反射调整法抑制高阶非对称模
DOI：
10.1109/ted.2020.3033506
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发表时间：
2020-12
影响因子：
3.1
通讯作者：
e Zhang
中科院分区：
文献类型：
--
作者：
Siyao Chen;Jun Zhang;Ji;e Zhang
In the coaxial slow wave structures (SWSs) with large overmoded ratio, the high-order asymmetric quasi-TEv1 mode is inevitably excited. In this article, the reflection adjustment method using reflective cavity to reduce the order of the excited mode is proposed. The simulation shows that the excited mode can be changed from the quasi-TE51 mode to the quasi-TE11 mode by this method. The “mode-matching method” is used to calculate the reflection characteristics of the reflective cavity. The theoretical analysis shows that selecting the wider reflective cavity with the deeper inner cavity could make this method more effective.
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