[1] Wang X D, Song Z X, Li Y et al. Review of DNA detection and application based on THz spectroscopy[J]. Laser & Optoelectronics Progress, 57, 017003(2020).

[2] Krumbholz N, Hochrein T, Vieweg N et al. Monitoring polymeric compounding processes inline with THz time-domain spectroscopy[J]. Polymer Testing, 28, 30-35(2009).

[3] Shen Y C, Yang X Y, Zhang Z J. Broadband terahertz time-domain spectroscopy and fast FMCW imaging: principle and applications[J]. Chinese Physics B, 29, 078705(2020).

[4] Zhai M, Locquet A, Jung M et al. Nondestructive characterization of nanoporous alumina films using terahertz scattering imaging[J]. Surface and Coatings Technology, 408, 126792(2021).

[5] Vafapour Z, Keshavarz A, Ghahraloud H. The potential of terahertz sensing for cancer diagnosis[J]. Heliyon, 6, e05623(2020).

[6] Feng H, An D Y, Tu H et al. A passive video-rate terahertz human body imager with real-time calibration for security applications[J]. Applied Physics B, 126, 143(2020).

[7] Federici J F, Schulkin B, Huang F et al. THz imaging and sensing for security applications: explosives, weapons and drugs[J]. Semiconductor Science and Technology, 20, S266-S280(2005).

[8] Seo M, Park H R. THz biochemical sensors: terahertz biochemical molecule-specific sensors[J]. Advanced Optical Materials, 8, 2070010(2020).

[9] Ferguson B, Zhang X C. Materials for terahertz science and technology[J]. Nature Materials, 1, 26-33(2002).

[10] Garufo A, Carluccio G, Freeman J R et al. Norton equivalent circuit for pulsed photoconductive antennas: part II: experimental validation[J]. IEEE Transactions on Antennas and Propagation, 66, 1646-1659(2018).

[11] Tani M, Kono S, Nakajima M et al. Generation and detection of ultrabroadband terahertz radiation with photoconductive antennas[C]. //Twenty Seventh International Conference on Infrared and Millimeter Waves, September 26, 2002, San Diego, CA, USA., 125-126(2002).

[12] Stone M R, Naftaly M, Miles R E et al. Electrical and radiation characteristics of semilarge photoconductive terahertz emitters[J]. IEEE Transactions on Microwave Theory and Techniques, 52, 2420-2429(2004).

[13] Tani M, Hirota Y, Que C T et al. Novel terahertz photoconductive antennas[J]. International Journal of Infrared and Millimeter Waves, 27, 531-546(2006).

[14] Shen Y C, Upadhya P C, Linfield E H et al. Ultrabroadband terahertz radiation from low-temperature-grown GaAs photoconductive emitters[J]. Applied Physics Letters, 83, 3117-3119(2003).

[15] Yang J, Fan W H, Xue B. Simulation analysis of the antenna structure for terahertz generation[J]. Proceedings of SPIE, 7385, 73851X(2009).

[16] Xiao Y, Bai Y, Liu P. Single-shot time-domain spectrum detection for terahertz radiation[J]. Chinese Journal of Lasers, 46, 0614009(2019).

[17] Hao M Z, Yan F P, Wang W et al. Metamaterial-based terahertz polarization-insensitive broadband absorber[J]. Chinese Journal of Lasers, 46, 1214002(2019).

[18] Fang Y H, Wen K H, Qin Y W et al. Multiple Fano resonances in an end-coupled MIM waveguide system[J]. Optics Communications, 452, 12-17(2019).

[19] Rachidi F. A review of field-to-transmission line coupling models with special emphasis to lightning-induced voltages on overhead lines[J]. IEEE Transactions on Electromagnetic Compatibility, 54, 898-911(2012).

[20] Liang H W, Shi S X, Ma L. Coupled-mode theory of nonparallel optical waveguides[J]. Journal of Lightwave Technology, 25, 2233-2235(2007).

[21] Lopetegi T, Laso M A G, Erro M J et al. Analysis and design of periodic structures for microstrip lines by using the coupled mode theory[J]. IEEE Microwave and Wireless Components Letters, 12, 441-443(2002).

[22] Emadi R, Emadi H, Emadi R et al. Analysis and design of photoconductive antenna using spatially dispersive graphene strips with parallel-plate configuration[J]. IEEE Journal of Selected Topics in Quantum Electronics, 24, 1-9(2018).

[23] Su X, Wang D, Tian Q et al. Widely tunable narrow-band coherent terahertz radiation from an undulator at THU[J]. Journal of Instrumentation, 13, C01020(2018).

[24] Li C M, Li B. Algorithm to reconstruct ultra-fast X-ray pulse based on terahertz modulation[J]. Acta Optica Sinica, 40, 0632001(2020).