Design of X-band high power wideband dual-helical reflectarray antenna

Kong Gexing; Li Xiangqiang; Zhang Jianqiong; Wang Qingfeng

doi:10.11884/HPLPB201931.190084

Volume 31 Issue 9

Sep. 2019

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Article Navigation > High Power Laser and Particle Beams > 2019 > 31(9): 093001

Kong Gexing, Li Xiangqiang, Zhang Jianqiong, et al. Design of X-band high power wideband dual-helical reflectarray antenna[J]. High Power Laser and Particle Beams, 2019, 31: 093001. doi: 10.11884/HPLPB201931.190084

Citation:

Kong Gexing, Li Xiangqiang, Zhang Jianqiong, et al. Design of X-band high power wideband dual-helical reflectarray antenna[J]. High Power Laser and Particle Beams, 2019, 31: 093001. doi: 10.11884/HPLPB201931.190084

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Design of X-band high power wideband dual-helical reflectarray antenna

doi: 10.11884/HPLPB201931.190084

School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, China

Received Date: 2019-04-01
Rev Recd Date: 2019-06-05
Publish Date: 2019-09-15

Abstract

Abstract

In order to broaden the bandwidth of high power microwave radiation antenna, an X-band high power circularly polarized reflectarray antenna constructed by mechanically rotational helical elements is proposed and investigated. The array antenna is fed by an X-band left-handed circularly polarization circular horn. The variable rotation of helical element enables full 360° phase adjustment with low reflection loss. The rectangular reflectarray antenna of 225-element is put forward and simulated. Full-wave simulation result shows that at 9.3 GHz, the antenna gain is 28 dB, the antenna axial ratio is 0.53 dB and the aperture efficiency is 52.6%. In the range of 8.5 to 10.9 GHz, the gain is over 26.8 dB, the axial ratio is below 1.14 dB, and both the 1-dB gain bandwidth and the 40% aperture efficiency bandwidth are over 21%. The power handling capacity of the reflectarray antenna is found to be 207 MW in vacuum.
- high power microwave,
- wideband,
- helical antenna,
- reflectarray antenna,
- circular polarization

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References(13)

References

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