3-D Printed W-Band Waveguide Twist With Integrated Filtering

被引:9
作者
Zhu, Liyan [1 ]
Rossuck, Ian W. [1 ]
Payapulli, Roshan [1 ]
Shin, Sang-Hee [2 ]
Lucyszyn, Stepan [1 ]
机构
[1] Imperial Coll London, Dept Elect & Elect Engn, London SW7, England
[2] Natl Phys Lab, Dept Electromagnet & Electrochem Technol, Teddington TW11 0LW, England
来源
IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS | 2023年 / 33卷 / 06期
关键词
3-D printing; additive manufacturing; electromagnetic bandgap (EBG); millimeter wave (mm-wave); rectangular waveguide; W-band; waveguide filter; waveguide twist; WR-10; 5G;
D O I
10.1109/LMWT.2023.3247942
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This work demonstrates the integration of a lowpass filter into a 90(?) waveguide twist at W-band (75-110 GHz), manufactured using polymer-based 3-D printing. For the first time, a 1-D periodic electromagnetic bandgap (EBG) structure is incorporated within a waveguide twist. Unlike conventional filters, implemented using irises and septa, EBG structures employing hollow cavities are structurally robust and mechanically insensitive to 3-D printing. The measured average passband insertion loss is only 0.48 dB at the W-band while using our unconventional split-block solution (H-plane a-edge split with raised lips). A nontwist thru filter has also been demonstrated, as a reference. Our approach demonstrates the potential for the low-cost manufacture of compact and high-performance multifunctional integrated waveguide components at millimeter wave frequencies.
引用
收藏
页码:659 / 662
页数:4
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