Title :
Improved design of an output structure for W-band Gyro-TWT
Author :
Xiong, Wujian ; Wang, Li ; Luo, Yong ; Liu, Guo
Author_Institution :
Sch. of Phys. Electron., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
A high efficiency output structure which is designed for W band gyrotron traveling wave tube (Gyro-TWT) is presented in this paper. With the aid of numerical calculation in Matlab, the contour of the cascaded Chebyshev tapered waveguide is got. Based on the optimized results from HFSS, the cascaded Chebyshev tapered waveguide satisfies the requirement which S21 is more than -0.045dB and S11 is less than -20dB in the whole working band and its size is practicable.
Keywords :
gyrotrons; millimetre wave tubes; travelling wave tubes; waveguides; HFSS; Matlab; W-band gyro-TWT; W-band gyrotron traveling wave tube; cascaded Chebyshev tapered waveguide; high efficiency output structure design; Chebyshev approximation; Couplings; Educational institutions; Gyrotrons; Microwave oscillators; Plasmas; Reflection; Gyro-TWT; cascaded Chebyshev tapered; output structure;
Conference_Titel :
Computational Problem-Solving (ICCP), 2012 International Conference on
Conference_Location :
Leshan
Print_ISBN :
978-1-4673-1696-5
Electronic_ISBN :
978-1-4673-1695-8
DOI :
10.1109/ICCPS.2012.6384275
