Design of high-order rotatingmode generator with helically-distributed perforation

Yu Xinhua; Ye Shuntao; Fu Wenjie; Niu Xinjian

doi:10.11884/HPLPB201931.180277

Volume 31 Issue 8

Aug. 2019

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Article Navigation > High Power Laser and Particle Beams > 2019 > 31(8): 083001

Yu Xinhua, Ye Shuntao, Fu Wenjie, et al. Design of high-order rotatingmode generator with helically-distributed perforation[J]. High Power Laser and Particle Beams, 2019, 31: 083001. doi: 10.11884/HPLPB201931.180277

Citation:

Yu Xinhua, Ye Shuntao, Fu Wenjie, et al. Design of high-order rotatingmode generator with helically-distributed perforation[J]. High Power Laser and Particle Beams, 2019, 31: 083001. doi: 10.11884/HPLPB201931.180277

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Design of high-order rotatingmode generator with helically-distributed perforation

doi: 10.11884/HPLPB201931.180277

1.
Key Laboratory of Cognitive Radio and Information Processing, Ministry of Education, Guilin University ofElectronic Technology, Guilin 541004, China
2.
The THz Science & Technology Key Laboratory of Sichuan Province, Chengdu 610054, China

Funds:

National Natural Science Foundation of China 61561013

the Guangxi Natural Science Fund of China 2015GXNSFAA139305

the Dean Project of Guangxi Key Lab of Wireless Wide-band Communication and Signal Processing GXKL06170102

the THz Sci. & Tech.Key Lab of Sichuan Province Foundation THZSC201701

More Information

Author Bio:
Yu Xinhua(1969—), male, PhD, engaged in electromagnetic wave transmission lines and microwave antenna research; yusilian@126.com
Corresponding author: Ye Shuntao(1992—), male, Master, engaged in electromagnetic wave transmission lines and microwave antenna research; yeshuntao@126.com
Received Date: 2018-10-21
Rev Recd Date: 2019-03-10
Publish Date: 2019-08-15

Abstract

Abstract

For the shortcomings of unknown mode purity and apparently ambiguous design idea in the literature (Danilov, 2007), an improved rotating high-order mode generator based on the helically-distributed perforation (HDP) technique is presented to realize high purity conversion of coaxial TE1, 1 mode to circular TE5, 3 mode.According to the inhomogeneous string equation, the optimal configurations of the coaxial cavity are obtained by the numerical calculation so that the required mode can effectively resonate.Based on the pinhole diffraction theory and the electric field boundary conditions on the surface of the perfect electric conductor (PEC), the arrangement of HDP and the working principle of the mode suppressor are studied in detail.Numerical calculations and simulation results indicate that the mode purity of TE5, 3 mode generator is as high as 97.4%, and the conversion efficiency is 96.1% near the center frequency of 30 GHz.Compared with its old version, the generator has the obvious advantages of high mode purity and compactness.
- mode generator,
- high-order rotating mode,
- helically-distributed perforation (HDP),
- coaxial cavity

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References(12)

References

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