[1] [1] FERGUSON B, ZHANG Xicheng. Materials for terahertz science and technology[J]. Nature Materials, 2002, 1(1): 26-33. DOI: 10.1038/nmat708.

[2] [2] ZHOU Kui, LI Peng, ZHOU Zheng, et al. Status and upgrade plan of CAEP THz-FEL facility[J]. High Power Laser and Particle Beams, 2022, 34(10): 104013. DOI: 10.11884/HPLPB202234.220091.

[3] [3] NOVELLI F, HOBERG C, ADAMS E M, et al. Terahertz pump-probe of liquid water at 12.3 THz[J]. Physical Chemistry Chemical Physics, 2022, 24(2): 653-665. DOI: 10.1039/D1CP03207K.

[4] [4] SCHMIDT J, WINNERL S, SEIDEL W, et al. Single-pulse picking at kHz repetition rates using a Ge plasma switch at the free-electron laser FELBE[J]. Review of Scientific Instruments, 2015, 86(6): 063103. DOI: 10.1063/1.4921864.

[6] [6] JURANI P N, STEPANOV A, PEIER P, et al. A scheme for a shot-to-shot, femtosecond-resolved pulse length and arrival time measurement of free electron laser x-ray pulses that overcomes the time jitter problem between the FEL and the laser[J]. Journal of Instrumentation, 2014, 9(3): P03006. DOI: 10.1088/1748-0221/9/03/P03006.

[7] [7] CHEN M, KOVALEV S, AWARI N, et al. Towards femtosecond-level intrinsic laser synchronization at fourth generation light sources[J]. Optics Letters, 2018, 43(9): 2213. DOI: 10.1364/OL.43.002213.

[8] [8] KOVALEV S, GREEN B, GOLZ T, et al. Probing ultra-fast processes with high dynamic range at 4th-generation light sources: arrival time and intensity binning at unprecedented repetition rates[J]. Structural Dynamics, 2017, 4(2): 024301. DOI: 10.1063/1.4978042.

[9] [9] VALDMANIS J A, MOUROU G, GABEL C W. Picosecond electro-optic sampling system[J]. Applied Physics Letters, 1982, 41(3): 211-212. DOI: 10.1063/1.93485.

[10] [10] ANGELOVSKI A, KUHL A, HANSLI M, et al. High bandwidth pickup design for bunch arrival-time monitors for free-electron laser[J]. Physical Review Special Topics, 2012, 15(11): 112803. DOI: 10.1103/PhysRevSTAB.15.112803.

[12] [12] WU Q, HEWITT T D, ZHANG X C. Two-dimensional electro-optic imaging of THz beams[J]. Applied Physics Letters, 1996, 69(8): 1026-1028. DOI: 10.1063/1.116920.

[13] [13] WANG Xinke, CUI Ye, SUN Wenfeng, et al. Terahertz polarization real-time imaging based on balanced electro-optic detection[J]. Journal of the Optical Society of America A, 2010, 27(11): 2387-2393. DOI: 10.1364/JOSAA.27.002387.

[14] [14] KIM J W, JUNG K Y, KIM C, et al. Progress in ultrafast fiber lasers for ultralow-jitter signal sources[C]//Proceedings of SPIE the International Society for Optical Engineering. San Francisco, California, United States: SPIE, 2012: 823715. DOI: 10.1117/.12.907213.