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For travelling-wave tube in millimeter and submillimeter wave frequency bands, an H-plane and E-plane loaded rectangular waveguide is demonstrated as slow-wave structure. The H-plane and E-plane loaded slow-wave structure is designed at W-band for fast verification of the design concept. The cold-test parameters are compared with measurement results.
The design optimization and simulation for high performance of two types of slow wave structures (SWS) for micro-electro-mechanical system (MEMS) terahertz (THz) sources are presented, e.g., THz staggered double vane (SDV) traveling wave tube (TWT) working at center frequency of 220 GHz, H-plane and E-plane loaded (HEL) rectangular TWT working at center frequency of 400 GHz. The structures are able...
An analysis of slow-wave structure (SWS) for vacuum-electron traveling wave tube is carried out using COMSOL Multiphysics software. A helix SWS is used as an example to model and perform fully coupled 3D electromagnetics cold-simulations and beam-wave interaction hot-simulations. The preliminary COMSOL simulation results show good agreement with calculations from CST studio software.
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