The complex cavity is very attractive because of its excellent ability of mode selection and the simplicity of thestructural configuration (hollow waveguide with different diameters). However the very strong requirement posed on themanufacturing accuracy makes the complex cavity fading from the front stage of gyrotron research. In this paper, a novelmodification, which overcomes this problem without sacrificing the ability of mode discrimination of the complex cavity,is proposed. This advanced complex cavity has a simple structure and fits the existing manufacturing technologies.Therefore, it is suitable for multi-megawatt gyrotrons.
K. Xu, K. Xu,
"Advanced complex cavity for multi-megawatt gyrotron", Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 21044Q (30 August 1993); doi: 10.1117/12.2298602; https://doi.org/10.1117/12.2298602