A wideband high-power microwave radiation source based on gyromagnetic nonlinear transmission line and Vlasov antenna

被引：1
|
作者：
Cui, Yancheng [1 ]
Meng, Jin [1 ]
Luo, Kang [1 ]
Han, Jiangfeng [1 ]
Huang, Liyang [1 ]
Zhu, Danni [1 ]
机构：
[1] Naval Univ Engn, Natl Key Lab Sci & Technol Vessel Integrated Power, Wuhan 430033, Peoples R China
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2022年 / 93卷 / 10期
基金：
中国国家自然科学基金;
关键词：
GENERATION; DESIGN;
D O I：
10.1063/5.0102437
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The gyromagnetic nonlinear transmission line (GNLTL) is a special kind of coaxial transmission line partially loaded with the ferrite material. A GNLTL system can modulate the input high-power pulses into wideband high-power microwaves without relying on the electron beam and confining magnetic field. The unique working mechanism gives the GNLTL system the potential to be a small portable wideband high-power microwave radiation source. In this study, a wideband high-power microwave radiation source based on a GNLTL system is designed and constructed. In order to effectively radiate the wideband microwaves into the air, a high-power wideband Vlasov antenna and a special absorption high-pass filter are developed. The designs of key subsystems and high-power radiation experiments have been introduced and discussed in detail. In the test experiments, a radiated pulse with a peak electric field strength of 23 kV/m was measured at 20 m away from the transmitting antenna and the effective potential of radiation is 460 kV/m. The pulse width of the radiation pulse is about 4 ns, the center frequency is about 2.25 GHz, and the highest repetition rate can reach 25 Hz. Published under an exclusive license by AIP Publishing.
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页数：9
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