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基于几何光学理论和矢量绕射理论,研究了将回旋管及其他高功率微波器件的振荡输出模式转换成准光高斯波束的模式变换器,采用伏拉索夫(Vlasov)辐射器和三级准光反射面实现了准高斯模TEM00的横向输出.研究了Vlasov辐射器的工作机理,运用矢量绕射理论计算出波导辐射场,口面电流分布的方法计算反射面辐射场.通过编写程序设计了将94 GHz,模式为TE62的毫米波转化为准光高斯波束的内置式准光模式变换器.
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关键词:
- 94 GHz回旋管 /
- 内置式准光模式变换器 /
- Vlasov辐射器 /
- 矢量绕射理论
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.-
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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