A 3D Printed Filtering Waveguide with Simple Metamaterial Construction

Authors

  • Zi-Yu Pang College of Electronics and Information Engineering Shenzhen University, Shenzhen, Guangdong 518060, China
  • Xiao-Yu Ma College of Electronics and Information Engineering Shenzhen University, Shenzhen, Guangdong 518060, China
  • Ge Zhao College of Electronics and Information Engineering Shenzhen University, Shenzhen, Guangdong 518060, China
  • Jia-Jun Liang School of Physics and Telecommunication Engineering Yulin Normal University, Yulin, P.R. China
  • Guan-Long Huang 1 College of Electronics and Information Engineering Shenzhen University, Shenzhen, Guangdong 518060, China , 2 State Key Laboratory of Millimeter Waves, Nanjing, Jiangsu 210096, P.R. China 3 Peng Cheng Laboratory, No.2 Xingke 1st Street, Nanshan, Shenzhen, Guangdong 518052, China
  • Luyu Zhao National Key Laboratory of Antennas and Microwave Technology Xidian University, Xi’an, Shaanxi, 710071, P.R. China
  • Chow-Yen-Desmond Sim Department of Electrical Engineering Feng Chia University, Taichung 40724, Taiwan

Keywords:

Bandwidth controllable, filtering waveguide, low loss, metamaterial

Abstract

A novel filtering waveguide with bandwidth controllable characteristic is proposed in this work. The filtering waveguide consists of a common rectangular waveguide and metamaterial-based metallic bars. The proposed waveguide is designed for Ku-band application. Inside the operational frequency band, the metallic bars forming a metamaterial surface can behave as perfect electric conductor (PEC), which generates a pass-band for signal transmission, while outside the band of interest, the metallic bars act as perfect magnetic conductor (PMC) and block the transmission of undesired signals, where a stop-band is formed. After integrating the pass-band and stop-band features into the waveguide, a customized waveguide with filtering response is realized. A prototype of the proposed filtering waveguide is fabricated with the advanced metallic 3D printing technique, and experimental results well verify the desired performance. Moreover, the pass-band and stop-band of the filtering waveguide can be flexibly and easily adjusted to meet different requirements with low insertion loss.

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References

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Published

2020-05-01

How to Cite

[1]
Zi-Yu Pang, “A 3D Printed Filtering Waveguide with Simple Metamaterial Construction”, ACES Journal, vol. 35, no. 5, pp. 539–544, May 2020.

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Articles