期刊
JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES
卷 31, 期 8, 页码 926-933出版社
SPRINGER
DOI: 10.1007/s10762-010-9665-5
关键词
Folded waveguide; Traveling wave tubes; Cold-circuit properties; Slow wave structure
This article applies an explicit method to the fast structural design for the slow wave circuit of a 0.14 THz broadband folded waveguide traveling wave tube. To valid the primary design, cold-circuit properties, such as dispersion and interaction impedance, were calculated by using both theoretical method and electromagnetic software (CST MWS) simulation. The S parameter S (11) was also calculated by CST MWS with lossy metal being considered. Simulation results show that, the cold pass band is about 70 GHz, and the interaction impedance is about 1 ohm, and indicate that the design method is reasonable for obtaining a 0.14 THz broadband slow wave structure.
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