Speaker
Donghui Xia
(State Key Laboratory of Advanced Electromagnetic Engineering and Technology)
Description
To carry out research related to electron cyclotron waves, 6 MW ECH systems including four 105 GHz/1 MW/2 s and two 140 GHz/1 MW/3 s units will be developed on the HL-2M tokamak being built in the first stage. Dual-frequency transmission lines with same components for the 105 GHz and 140 GHz systems are designed to make the fabrication easier. The corrugated waveguides are used to ensure the bandwidth of the transmission systems. In addition, the parameters of polarizers are specially considered to obtain the required polarizations at the two different frequencies. The transmission efficiency of all the six lines is analyzed with the multimode propagation model, and also the polarization characteristics of polarizers are calculated in the two different frequencies. The results indicate that both the transmission efficiency and the polarization characteristics can meet the requirements of ECRH systems on HL-2M.
Co-authors
Donghui Xia
(State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science & Technology, Wuhan, China)
Feng Zhang
(Southwestern Institute of Physics, Chengdu, China)
Gangyu Chen
(Southwestern Institute of Physics, Chengdu, China)
Ge Zhuang
(State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science & Technology, Wuhan, China)
Jixiong Xiao
(State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science & Technology, Wuhan, China)
Mei Huang
(Southwestern Institute of Physics, Chengdu, China)
Zhijiang Wang
(State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science & Technology, Wuhan, China)
