Prof. Zhaoyun Duan

University of Electronic Science and Technology of China, China

Email: zhyduan@uestc.edu.cn

Qualifications

2004  Ph.D.,University of Electronic Scienceand Technology of China, China

Publications (Selected)

1. Z. Y. Duan, C. Guo, Z. Jun, J. C. Lu, and M. Chen. Novel electromagnetic radiation in a semi-infinite space filled with a double-negative metamaterial. Physics of Plasmas, 19, 013112, 2012.
2. J. Q. Lai, Y. B. Gong, X. Xu, Y. Y. Wei, Z. Y. Duan, W. X. Wang, and J. J. Feng. W-Band 1-kW staggered double-vane traveling-wave tube. IEEE Transactions on Electron Devices, 59 (2), 496-503, 2012.
3. J. Zhou, Z. Y. Duan, Y. X. Zhang, M. Hu, W. H. Liu, P. Zhang, and S. G. Liu. Numerical investigation of Cherenkov radiations emitted by an electron beam bunch in isotropic double-negative metamaterials. Nuclear Instruments and Methods in Physics Research A, 654, 475–480, 2011.
4. Z. Y. Duan, C. Guo, and M. Chen. Enhanced reversed Cherenkov radiation in a waveguide with double-negative metamaterials. Optics Express, 19 (15), 13825-13830, 2011.
5. Z. Y. Duan, Y. S. Wang, X. T. Mao, W. X. Wang, and M. Chen. Experimental demonstration of double-negative metamaterials partially filled in a circular waveguide. Progress In Electromagnetics Research, PIER 121, 215–224, 2011.
6. X. Xu, Y. Y. Wei, F. Shen, Z. Y. Duan, Y. B. Gong, H. R. Yin, and W. X. Wang. Sine waveguide for 0.22-THz traveling-wave tube. IEEE Electron Device Letters, 32 (8), 1152-1154, 2011.
7. J. Q. Lai, Y. B. Gong, H. R. Yin, Z. Y. Duan, and Y. Y. Wei. Virtual boundary element method for multistage depressed collector of traveling-wave tubes. Physics of Plasmas, 18, 043106, 2011.
8. Y. B. Gong, Z. Y. Duan, Y. M. Wang, Y. Y. Wei, H. R. Yin, and W. X. Wang. Suppression of in-band power holes in helix traveling-wave tubes. IEEE Transactions on Electron Devices, 58 (5), 1556-1561, 2011.
9. Y. B. Gong, H. R. Yin, L. N. Yue, Z. G. Lu, Y. Y. Wei, J. J. Feng, Z. Y. Duan, and X. Xu. A 140-GHz two-beam overmoded folded-waveguide traveling-wave tube. IEEE Transactions on Plasma Science. 39 (3), 847-851, 2011.
10. Z. L. Wang, Y. B. Gong, Y. Y. Wei, Z. Y. Duan, H. R. Gong, Z. G. Lu, L. N. Yue, H. R. Yin, J. Xu, Y. B. Li, P. K. Liu and G.-S. Park. Stable sheet beam transport in periodic non-symmetric quadrupole Field. IEEE Transactions on Plasma Science. 38 (1), 32-38, 2010.
11. Z. L. Wang, Y. B. Gong, Y. Y. Wei, Z. Y. Duan, H. R. Gong,  L. N. Yue, H. R. Yin, Z. G. Lu, J. Xu, B. R. Chen, Y. B. Li, P. K. Liu and G.-S. Park. The conditions for stable sheet electron beams transport in periodic permanent magnet fields. Journal of Infrared Millimeter and Terahertz Waves, 31 (6), 649-658, 2010.
12. Z. Y. Duan, B.-I. Wu, J. Lu, J. A. Kong, and M. Chen. Reversed Cherenkov radiation in unbounded anisotropic double-negative metamaterials. Journal of Physics D: Applied Physics, 42, 185102, 2009.
13. C. F. Fu, Y. Y. Wei, Z. Y. Duan, W. X. Wang, and Y. B. Gong. Small-signal analysis of a rectangular helix structure traveling-wave-tube. Chinese Physics B, 18 (7), 2749-2756, 2009.
14. Z. Y. Duan, B.-I. Wu, S. Xi, H. S. Chen, and M. Chen. Research progress in reversed Cherenkov radiation in double-negative metamaterials. Progress In Electromagnetics Research, PIER 90, 75–87, 2009.
15. Z. Y. Duan, B.-I. Wu, J. Lu, J. A. Kong, and M. Chen. Cherenkov radiation in anisotropic double-negative metamaterials. Optics Express, 16 (22), 18479-18484, 2008.
16. Z. Y. Duan, B.-I. Wu, J. Lu, J. A. Kong, and M. Chen. Reversed Cherenkov radiation in a waveguide filled with anisotropic double-negative metamaterials. Journal of Applied Physics, 104, 063303 2008.
17. Z. Y. Duan, Y. B. Gong, Y. Y. Wei, and W. X. Wang. Theoretical research on the performance of a practical helix travelling wave tube. Chinese Physics B, 17 (7), 2484-2490, 2008.
18. Z. Y. Duan, B.-I. Wu, J. A. Kong, F. M. Kong, and S. Xi. Enhancement of radiation properties of compact planar antenna using transformation media as substrates. Progress In Electromagnetics Research, PIER 83, 375–384, 2008.
19. Z. Y. Duan, Y. B. Gong, M. Y. Lu, Y. Y. Wei, and W. X. Wang. Optimization Design of Helix Pitch for Efficiency Enhancement in the Helix Travelling Wave Tubes. Chinese Physics Letters, 25 (3), 934-937, 2008.
20. Z. Y. Duan, Y. B. Gong, Y. Y. Wei, W. X. Wang, B.-I. Wu, and J. A. Kong. Efficiency improvement of broadband helix traveling wave tubes using hybrid phase velocity tapering model. Journal of electromagnetic waves and applications, 22, 1013-1023, 2008.
21. Z. Y. Duan, Y. B. Gong, Y. Y. Wei, and W. X. Wang. Investigation into the effect of dielectric loss on RF characteristics of helical SWS. International Journal of Infrared and Millimeter waves, 29, 23–34, 2008.
22. Z. Y. Duan, Y. B. Gong, Y. Y. Wei, and W. X. Wang. Impact of attenuator models on computed traveling wave tube performances. Physics of Plasmas, 14, 093103, 2007.
23. Z. Y. Duan, Y. B. Gong, W. X. Wang, B. N. Basu, and Y. Y. Wei. Accurate tape analysis of the attenuator-coated helical slow wave structure. IEEE Transactions on Electron Devices, 53 (4), 903-909, 2006.
24. Z. Y. Duan, Y. B. Gong, W. X. Wang, Y. Y. Wei, and Minzhi Huang. Analysis of the dispersion characteristic and interaction impedance of a tape helix slow wave structure with novel supporting mode. International Journal of Electronics, 91 (5), 309-318, 2004.
25. Z. Y. Duan, Y. B. Gong, W. X. Wang, Y. Y. Wei, and M. Z. Huang. Effect of attenuation on backward-wave oscillation start oscillation condition. IEEE Transactions on plasma science. 32 (6), 2184-2188, 2004.
26. Z. Y. Duan, Y. B. Gong, W. X. Wang, and H. R. Gong. Effect of attenuator on BWO oscillation condition in a helix millimeter wave TWT under magnetic focusing. International Journal of Infrared and Millimeter waves, 25 (8), 1175-1182, 2004.