Design and experiments of 94 GHz Gyrotron for non-lethal biological effects of millimeter wave radiation
Received:October 16, 2019  Revised:April 12, 2020  download
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Author NameAffiliationE-mail
PAN Yuan-Yuan Department of Geriatric Cardiology, Sichuan Academy of Medical Sciences & Sichuan Provincial People''s Hospital,Chengdu 610072, China pan__yuanyuan@126.com 
WANG Li-Na School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China linaw2018@outlook.com 
LIU Jian-Wei School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China  
WANG Hui School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China  
CHEN Shuang School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China  
Abstract:The design and experiment of 94 GHz gyrotron with an inside quasi-optical system for the non-lethal biological effects of millimeter wave radiation are presented in this paper. The reason we chose TE+6,2 mode as the experimental working mode is to reduce the wall heating problem at high power and high frequency. For a high-order mode, there are more neighboring modes, so mode competition affects the stability and effective operability of the experiment. The gradually tapered cavity has been designed to suppress mode competition in single cavities. In addition, the power conversion efficiency of the quasi-optical mode converter with low diffraction is 98.54%. The experimental results confirm that the output power of 50.9 kW is obtained with efficiency of 34.3%. For the non-lethal biological effects, we can draw the conclusion that the overall scheme can achieved the expected results.
keywords:gyrotron  gradual taper cavity  quasi-optical mode converter  biological effects
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Copyright:《Journal of Infrared And Millimeter Waves》