Circular polarizers for high-order waveguide modes

WU Ze-Wei; LI Hao; FU Hua; XU Jian-Hua; LI Jia-Yin

doi:10.3724/sp.j.1010.2014.00660

[1] Thumm M, Kasparek W. Passive high-power microwave components[J]. IEEE Transactions on Plasma Science, 2002, 30(3): 755-786.

[2] Thumm M. Recent developments on high-power gyrotrons—introduction to this special issue[J]. Journal of Infrared, Millimeter, and Terahertz Wave, 2011, 32(3): 241-252.

[3] Kumar N, Singh U, Singh T P, et al. A review on the applications of high power, high frequency microwave source: gyrotron[J]. Journal of Fusion Energy, 2011, 30(4): 257-276.

[4] Aleksandrov N L, Chirkov A V, Denisov G G, et al. Selective excitation of high-order modes in circular wave guide[J]. International Journal of Infrared and Millimeter Waves,1992, 13(09): 1369-1385.

[5] Pereyaslavets M, Braz O, Kern S, et al. Improvements of mode converters for low-power excitation of gyrotron-type modes[J]. International Journal of Electronics, 1997, 82(01): 107-115.

[7] Bogdashov A A, Chirkov A V, Denisov G G. High-efficient mode converter for ITER gyrotron[J]. International Journal of Infrared and Millimeter Waves. 2005, 26(06): 771-785.

[8] Chang T H, Lee C H, Wu C N, et al. Exciting circular TEmn modes at low terahertz region[J]. Appl. Phys. Lett, 2008, 93(11): 111503.

[9] Chang T H, Li C H, Wu C N, et al. Generating pure circular TEmn modes using Y-type power dividers[J]. IEEE Trans. Microw. Theory Tech., 2010, 58(6): 1543-1550.

[14] Doane J L. Polarization converters for circular waveguide mode[J]. Int. J. Electronics, 1986, 61(6): 1109-1133.

[15] Thumm M, Kumric H. High-power TE11 and TM11 circular polarizer in oversized waveguide at 70GHz[J]. International Journal of Infrared and Millimeter, 1989, 10(9): 1059-1076.

[16] CST Microwave Studio: Computer Simulation Technology AG [Online] Available: http: ∥www.cst.com.