[3] [3] FENG Yinian,ZHANG Bo,LIU Yang,et al. WR-2.8 band pseudoelliptic waveguide filter based on singlet and extracted pole resonator[J]. IEEE Access, 2019(7):54705-54711.

[4] [4] QIAO Chuanqi, ZHANG Bo, FAN Yong. Design of band-pass filter for terahertz communication systems[C]// 2020 13th UK-Europe-China Workshop on Millimetre-Waves and Terahertz Technologies(UCMMT). Tianjin,China:IEEE, 2020:1-3.

[6] [6] YOROZU T,HIRANO M,OKA K,et al. Electron spectroscopy studies on magneto-optical media and plastic substrate interface[J]. IEEE Translation Journal on Magnetics in Japan, 1987,2(8):740-741.

[7] [7] FENG Yinian,ZHANG Bo,LIU Yang,et al. A 200~225 GHz manifold-coupled multiplexer utilizing metal waveguides[J]. IEEE Transactions on Microwave Theory and Techniques, 2021,69(12):5327-5333.

[8] [8] YANG Hao, DHAYALAN Y, SHANG Xiaobang, et al. WR-3 waveguide bandpass filters fabricated using high precision CNC machining and SU-8 photoresist technology[J]. IEEE Transactions on Terahertz Science and Technology, 2018,8(1):100-107.