High power microwave air breakdown by changing effective aperture of horn antenna

yang yiming; yuan chengwei; qian baoliang

Volume 23 Issue 10

Nov. 2011

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(10): 0-

Hui Hongchao, Guo Yajing, Xiong Zhimin, et al. Evaluation of reliability for image processing of high power laser’s automatic alignment[J]. High Power Laser and Particle Beams, 2013, 25: 867-871.

Citation:

yang yiming, yuan chengwei, qian baoliang. High power microwave air breakdown by changing effective aperture of horn antenna[J]. High Power Laser and Particle Beams, 2011, 23.

Hui Hongchao, Guo Yajing, Xiong Zhimin, et al. Evaluation of reliability for image processing of high power laser’s automatic alignment[J]. High Power Laser and Particle Beams, 2013, 25: 867-871.

Citation:

yang yiming, yuan chengwei, qian baoliang. High power microwave air breakdown by changing effective aperture of horn antenna[J]. High Power Laser and Particle Beams, 2011, 23.

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High power microwave air breakdown by changing effective aperture of horn antenna

1.
College of Opto-Electric Science and Engineering,National University of Defense Technology,Changsha 410073,China

Publish Date: 2011-10-15

Abstract

Abstract

The paper presents a method to get high power microwave gas breakdown by changing the effective aperture of horn antenna. Changing the effective aperture can adjust the electric field near the inner dielectric window, lending to air breakdown. The principle of this method is introduced. In addition, the verification experiment has been carried out for L band microwave with pulse duration being 30 ns, and the experimental waveforms are analyzed. The breakdown threshold of 0.40×105 Pa air was measured to be 33.9 kV/cm. The experimental results agree well with the design, and the method is proved to be effective to study high power microwave gas breakdown.
- high power microwave,
- air breakdown,
- antenna,
- effective aperture,
- threshold

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