Journal of Infrared and Millimeter Waves, Volume. 42, Issue 1, 43(2023)
Effect of a planar metamaterial on the efficiency improvement and parasitic oscillations suppression of a meander-line slow wave traveling wave tube
Fig. 1. The schematic diagram of the structural parameters of the U-ML-SWS
Fig. 4. Dispersion and 2500 V beam voltage line diagram of the ML-SWS
Fig. 5. Frequency domain diagram of output signal with input signal of 28 GHz
Fig. 6. Frequency domain diagram of output signal under 31 GHz input signal
Fig. 8. E-field diagram of input signal in SWS (a) metamaterials unloaded (b) metamaterials loaded
Fig. 9. Simulation model of planar metamaterial absorption property
Fig. 10. Absorption rate of planar metamaterial at different positions
Fig. 15. Relationship of output power and gain with frequency of the new SWS
Fig. 16. Relationship of output power with beam current of the new SWS
Get Citation
Copy Citation Text
Zhou-Qi-Jun LI, Zheng WEN, Zhi-Qiang ZHANG, Ji-Run LUO. Effect of a planar metamaterial on the efficiency improvement and parasitic oscillations suppression of a meander-line slow wave traveling wave tube[J]. Journal of Infrared and Millimeter Waves, 2023, 42(1): 43
Category: Research Articles
Received: Jun. 6, 2022
Accepted: --
Published Online: Feb. 23, 2023
The Author Email: Zhi-Qiang ZHANG (zhangzq@aircas.ac.cn)