Simulating and Experiment Investigation of the Coupling Factor for Waveguide Loaded Microwave Electornic Gun

BIAN Xiao-Hao; CHEN Huai-Bi; ZHENG Shu-Xin; Derun Li

Chinese Physics C> 2005, Vol. 29> Issue(11) : 1091-1094

Simulating and Experiment Investigation of the Coupling Factor for Waveguide Loaded Microwave Electornic Gun

Department of Engineering Physics, Tsinghua University, Beijing 100084, China2 LBNL,One Cyclotron Road,Berkeley,CA 94720,USA

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Abstract：
To design the coupler of one kind of thermionic cathode microwave electronic gun, we apply the ``energy method'',which calculates the coupler factor between the waveguide and cavities of the electronic gun. So we can design the geometry size of the coupling iris. MAFIA code is used. Comparing with the experiment results,the simulating results is in agreement with measurement about 10%—30% deviation. ``Energy method'' is an efficient and simply method to calculate the coupler factor between cavities and waveguide.

References

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BIAN Xiao-Hao, CHEN Huai-Bi, ZHENG Shu-Xin and Derun Li. Simulating and Experiment Investigation of the Coupling Factor for Waveguide Loaded Microwave Electornic Gun[J]. Chinese Physics C, 2005, 29(11): 1091-1094.

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Received: 2005-02-06
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Simulating and Experiment Investigation of the Coupling Factor for Waveguide Loaded Microwave Electornic Gun

Corresponding author: BIAN Xiao-Hao,

Department of Engineering Physics, Tsinghua University, Beijing 100084, China2 LBNL,One Cyclotron Road,Berkeley,CA 94720,USA

Received Date: 2005-02-06
Accepted Date: 1900-01-01
Available Online: 2005-11-05

Abstract: To design the coupler of one kind of thermionic cathode microwave electronic gun, we apply the ``energy method'',which calculates the coupler factor between the waveguide and cavities of the electronic gun. So we can design the geometry size of the coupling iris. MAFIA code is used. Comparing with the experiment results,the simulating results is in agreement with measurement about 10%—30% deviation. ``Energy method'' is an efficient and simply method to calculate the coupler factor between cavities and waveguide.