Jie YANG, Shou-Xi XU, Yong WANG, Xiao-Yan WANG. The effect of electron beam misalignment on confocal waveguide gyrotron traveling wave tube[J]. Journal of Infrared and Millimeter Waves, 2022, 41(4): 702
- Journal of Infrared and Millimeter Waves
- Vol. 41, Issue 4, 702 (2022)
Fig. 1. Transversal electric field distribution of
Fig. 2. Distribution of
Fig. 3. Distribution of
Fig. 4. Cross section of cofocal waveguide with the misaligned electron beam
Fig. 5. The coupling factor with the increase of electron beam misalignment distance
Fig. 6. Gain with different electron beam misalignment versus frequency
Fig. 7. Critical current of absolute instability versus voltage
Fig. 8. Starting current of BWO versus length
Fig. 9. Coordinate system for gyrating electrons with misalignment in a confocal waveguide
Fig. 10. Axial distributions of output power with electron beam misalignment
Fig. 11. The beam-wave efficiency and the saturation length versus misalignment distance
Fig. 12. Power versus frequency with electron beam misalignment
Fig. 13. Axial distributions of output power with velocity spread
Fig. 14. Power versus frequency with velocity spread and guiding center spread
Fig. 15. The power versus the electron beam misalignment distance
Table 1. Operating parameters
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