Power capacity of 36-element high power helical array antenna fed from double-layered radial waveguide

li xiang-qiang; liu qing-xiang; zhao liu; zhang jian-qiong; zhang zheng-quan

Volume 19 Issue 06

Jun. 2007

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Article Navigation > High Power Laser and Particle Beams > 2007 > 19(06): 0-

bei hua, dai dong-dong, dai zhi-min. Simulation of Smith-Purcell radiation from compact terahertz source[J]. High Power Laser and Particle Beams, 2008, 20.

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li xiang-qiang, liu qing-xiang, zhao liu, et al. Power capacity of 36-element high power helical array antenna fed from double-layered radial waveguide[J]. High Power Laser and Particle Beams, 2007, 19.

bei hua, dai dong-dong, dai zhi-min. Simulation of Smith-Purcell radiation from compact terahertz source[J]. High Power Laser and Particle Beams, 2008, 20.

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Power capacity of 36-element high power helical array antenna fed from double-layered radial waveguide

1.
College of Science,Southwest Jiaotong University,Chengdu 610031,China

Publish Date: 2007-06-15

Abstract

Abstract

The power capacity of a 36-element high power helical array antenna fed from double-layered radial waveguide is investigated. Two breakdown conditions are discussed, which are breakdown under vacuum condition and breakdown on the medium surface. Based on those breakdown threshold values, the power capacity of the antenna is analyzed theoretically and qualitatively and simulated. The simulation results are presented and the reasons for capacity debasement are analyzed. Methods for improving the power capacity are discussed. The results show that the power capacity of the improved antenna can reach 1 GW.
- helical antenna,
- radial waveguide,
- array antenna,
- power capacity,
- high-power microwave

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