Yang DONG, Jing-Yu GUO, He-Xin WANG, Zhan-Liang WANG, Zhi-Gang LU, Hua-Rong GONG, Zhao-Yun DUAN, Yu-Bin GONG, Shao-Meng WANG. W-band dual-sheet beam traveling-wave tube with a novel planar slow-wave structure[J]. Journal of Infrared and Millimeter Waves, 2022, 41(1): 2021109
- Journal of Infrared and Millimeter Waves
- Vol. 41, Issue 1, 2021109 (2022)
Fig. 1. The structure of the DBRRB SWS with T-shaped dielectric rods supporting
Fig. 2. The interaction impedance（a）and normalized phase velocity，（b）vary with L
Fig. 3. The f-phase curve with different L
Fig. 4. The interaction impedance（a）and normalized phase velocity，（b）vary with W/H
Fig. 5. （a）Axial electric field distribution of the SWS in 94GHz，（b）interaction impedance varies with ed
Fig. 6. The dispersion curves of the SWS
Fig. 7. （a）The whole TWT structure，（b）attenuator，（c）three periods gradient structure，（d）three-segment step waveguide
Fig. 8. S-parameters of the step waveguide
Fig. 9. （a）S11 with different S of the TWT，（b）S-parameters with or without attenuator
Fig. 10. The time-domain output signals with（a）and without，（b）input power
Fig. 11. The spectrum of signals
Fig. 12. Electron beam bunching and phase space diagram
Fig. 13. The output power varies with ew and eh
Fig. 14. The input-output power and gain curves
Fig. 15. The output power and gain vary frequency
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Table 1. Parameters of the TWT (mm)
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