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Based on geometry optics theory and vector diffraction theory, mode converter is studied to convert the gyrotron and other high-power microwave oscillator output mode into quasi-optical Gaussian beam, using Vlasov launcher and two quasi-optical reflector achieved quasi-Gaussian mode TEM00 transverse output.The working mechanism of Vlasov launcher in analyzed, the radiation field is calculated by using vector diffraction theory, and the surface radiation field is also calculated by using the surface current distribution method. A built-in quasi-optical mode converter is designed to convert the 94GHz, TE62 model millimeter wave into quasi-optical Gaussian beam through programming.
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Keywords:
- 94 GHz gyrotron /
- quasi-optical mode converter /
- vlasov launcher /
- vector diffraction theory
[1] Sun X,Zhao Q, Li H F 2008 Acta Phys. Sin. 57 2130 (in Chinese) [孙 旭、赵 青、李宏福 2008 57 2130]
[2] Yang S W 1997 Ph.D. Dissertation (Chengdu: University of Electronic Science and Technology) (in Chinese) [杨仕文 1997 博士学位论文(成都:电子科技大学)]
[3] [4] Jin J B 2005 Ph.D. Dissertation (Chengdu: Southwest jiaotong university) (in Chinese) [金践波 2005 博士学位论文(成都:西南交通大学)]
[5] [6] [7] Thumm M, Kasparek W 2002 IEEE Trans Plasma Sci. 30 755
[8] Liu J W,Zhao Q,Sun X,Li H F 2008 High Power Laser and Particle Beams 20 1689(in Chinese) [刘建卫、赵 青、孙 旭、李宏福 2008 强激光与粒子束 20 1689]
[9] [10] A W Mbius, J A Casey, K E Kreischer, A Li,R J Temkin 1992 Int.J.Infrared Millim.Waves 13 1033
[11] [12] [13] Huang H J 1965 Microwave Theory (Vol.2) (Beijing: Science Press) p504 (in Chinese) [黄宏嘉 1965 微波原理(下卷)(北京:科学出版社)第504页]
[14] [15] Black M, Kreischer K, Temkin R J 1996 IEEE Trans Plasma Sci. 24 1058
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[1] Sun X,Zhao Q, Li H F 2008 Acta Phys. Sin. 57 2130 (in Chinese) [孙 旭、赵 青、李宏福 2008 57 2130]
[2] Yang S W 1997 Ph.D. Dissertation (Chengdu: University of Electronic Science and Technology) (in Chinese) [杨仕文 1997 博士学位论文(成都:电子科技大学)]
[3] [4] Jin J B 2005 Ph.D. Dissertation (Chengdu: Southwest jiaotong university) (in Chinese) [金践波 2005 博士学位论文(成都:西南交通大学)]
[5] [6] [7] Thumm M, Kasparek W 2002 IEEE Trans Plasma Sci. 30 755
[8] Liu J W,Zhao Q,Sun X,Li H F 2008 High Power Laser and Particle Beams 20 1689(in Chinese) [刘建卫、赵 青、孙 旭、李宏福 2008 强激光与粒子束 20 1689]
[9] [10] A W Mbius, J A Casey, K E Kreischer, A Li,R J Temkin 1992 Int.J.Infrared Millim.Waves 13 1033
[11] [12] [13] Huang H J 1965 Microwave Theory (Vol.2) (Beijing: Science Press) p504 (in Chinese) [黄宏嘉 1965 微波原理(下卷)(北京:科学出版社)第504页]
[14] [15] Black M, Kreischer K, Temkin R J 1996 IEEE Trans Plasma Sci. 24 1058
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