[1] [1] Muller R, Bohmeyer W, Kehrt M, et al. Novel detectors for traceable THz power measurements$$J$$. J. of Infrared Millimeter and Terahertz Waves, 2014, 35(8): 659-670.

[2] [2] Yi L, Nishida Y, Sagisaka T, et al. Towards practical terahertz imaging system with compact continuous wave transceiver$$J$$. J. of Lightwave Technol., 2021, 39(24): 7850-7861.

[3] [3] Jornet J M, Akyildiz I F. Channel modeling and capacity analysis for electromagnetic wireless nanonetworks in the terahertz band$$J$$. IEEE Trans. on Wireless Communications, 2011, 10(10): 3211-3221.

[5] [5] Ruan J F, Tao Z, Zou R Z, et al. A compact terahertz frequency selective surface with fast roll-off characteristics$$J$$. J. of Phys. D: Appl. Phys., 2022, 55(46): 465103..

[6] [6] Shen X P, Cui T J, Zhao J M, et al. Polarization-independent wide-angle triple-band metamaterial absorber$$J$$. Opt. Express, 2011, 19(10): 9401-9407.

[7] [7] Rashid A K, Li B, Shen Z X. An overview of three-dimensional frequency-selective structures$$J$$. IEEE Antennas and Propagation Magazine, 2014, 56(3): 43-67.

[8] [8] Manikandan E, Sreeja B S, Radha S, et al. A rapid fabrication of novel dual band terahertz metamaterial by femtosecond laser ablation$$J$$. J. of Infrared Millimeter and Terahertz Waves, 2019, 40(1): 38-47.

[9] [9] Niu Q S, Tang C, He Y H, et al. Design of multiple-band filtering resonance devices at narrow frequency range using terahertz metamaterial resonator$$J$$. Opt. Communications, 2019, 453: 124368.

[10] [10] Princy S S, Sreeja B S, Manikandan E, et al. Design of polarisation-dependent multiband terahertz frequency-selective surface using two resonators$$J$$. Pramana-J. Phys., 2019, 92(6): 1-5.

[11] [11] Li H P, Fu W Y, Shen X P, et al. Design and theoretical study of a polarization-insensitive multiband terahertz metamaterial bandpass filter$$J$$. Chinese Physics B, 2017, 26(12): 127801.

[13] [13] Zhang Y X, Qiao S, Zhao T, et al. Planar symmetric normal and complementary three-resonance resonators in terahertz band$$J$$. Progress in Electromagnetics Research-Pier, 2012, 125: 21-35.

[15] [15] Biber S, Bozzi M, Gunther O, et al. Design and testing of frequency-selective surfaces on silicon substrates for submillimeter-wave applications$$J$$. IEEE Trans. on Antennas and Propagation, 2006, 54(9): 2638-2645.