[1] Kwan T, Dawson J M, Lin A T. Free electron laser[J]. The Physics of Fluids, 20, 581-588(1977).

[2] O'Shea P G, Freund H P. Free-electron lasers: status and applications[J]. Science, 292, 1853-1858(2001).

[3] Edwards G S, Allen S J, Haglund R F et al. Applications of free-electron lasers in the biological and material sciences[J]. Photochemistry and Photobiology, 81, 711-735(2005).

[4] Couprie M E, Ortéga J M. Free-electron lasers sources for scientific applications[J]. Analusis, 28, 725-736(2000).

[5] Li P, Li M, Wu D et al. Development strategy of free electron laser technology in China[J]. Strategic Study of CAE, 22, 35-41(2020).

[6] Yu Y, Li Q M, Yang J Y et al. Dalian extreme ultraviolet coherent light source[J]. Chinese Journal of Lasers, 46, 0100005(2019).

[7] Zhao Z T, Wang D, Yin L X et al. Shanghai soft X-ray free-electron laser facility[J]. Chinese Journal of Lasers, 46, 0100004(2019).

[8] Wang D. X-ray FEL facility at Shanghai[EB/OL]. https:∥accelconf.web.cern.ch/icap2018/talks/supag07_talk.pdf

[9] Li H T, He Z G, Wu F F et al. Hefei infrared free-electron laser facility[J]. Chinese Journal of Lasers, 48, 1700001(2021).

[10] Li M, Yang X F, Xu Z et al. First lasing of CAEP THz free electron laser[J]. High Power Laser and Particle Beams, 29, 100101(2017).

[11] Li H T, Jia Q K, Zhang S C et al. Design of FELiChEM, the first infrared free-electron laser user facility in China[J]. Chinese Physics C, 41, 018102(2017).

[12] Li M, Yang X F, Xu Z et al. Experimental study on the stimulated saturation of terahertz free electron laser[J]. Acta Physica Sinica, 67, 084102(2018).

[13] Wang C, Xu W, Mei H Y et al. Picosecond terahertz pump–probe realized from Chinese terahertz free-electron laser[J]. Chinese Physics B, 29, 084101(2020).

[14] Zhao J P, Hu E L, Shang S et al. Study of the effects of 3.1 THz radiation on the expression of recombinant red fluorescent protein (RFP) in E. coli[J]. Biomedical Optics Express, 11, 3890-3899(2020).

[15] Gao F, Yang Y W, Zhu H Y et al. First demonstration of the FLASH effect with ultrahigh dose rate high-energy X-rays[J]. Radiotherapy and Oncology, 166, 44-50(2022).

[16] Zhou K, Li P, Zhou Z et al. Status and upgrade plan of CAEP THz-FEL facility[J]. High Power Laser and Particle Beams, 34, 104013(2022).

[17] Wang H B, Li K, Li M et al. A GaAs photoemission DC gun for CAEP high-average-power THz FEL[EB/OL]. https:∥epaper.kek.jp/FEL2014/papers/tua03.pdf

[18] Zhou K, Li X K, Lao C L et al. Test of an RF buncher cavity for the terahertz free electron laser facility[C](2018).

[19] Luo X, Lao C L, Zhou K et al. Design and fabrication of the 2×4-cell superconducting linac module for the free-electron laser[J]. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 871, 30-34(2017).

[20] Zhou K, Lao C L, Wu D et al. Performance of the 2×4-cell superconducting linac module for the THz-FEL facility[J]. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 895, 29-34(2018).