Shou-Xi XU, Jie YANG, Hu WANG, Zhi-Hui GENG, Rui ZHANG. Design of a quasi-optical mode converter for a 170 GHz gyrotron[J]. Journal of Infrared and Millimeter Waves, 2022, 41(3): 557
- Journal of Infrared and Millimeter Waves
- Vol. 41, Issue 3, 557 (2022)
Fig. 1. Relative power of each mode along the length of the TE31，8 launcher
Fig. 2. The wall deformations of the launcher
Fig. 3. Azimuth bunching with only
Fig. 4. Longitudinal bunching with only
Fig. 5. Electric field distribution on the unrolled waveguide wall (a) 3D plot (b) intensity contour map
Fig. 6. The schematic of the mirror system
Fig. 7. Electric field distribution at the first mirror
Fig. 8. Electric field distribution at the second mirror
Fig. 9. Electric field distribution at the third mirror
Fig. 10. Electric field distribution at the fourth mirror
Fig. 11. Electric field distribution on the output window
Fig. 12. Electric field 3D distribution on the output window
Table 1. Nine TE modes and their relative powers to form a Gaussian-like distribution
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Table 2. Parameters of mirrors
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Table 3. Performance of the mirror system
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