• [1]

    P. Emma et al, Nat. Photon., 4:641(2010)

  • [2]

    E. Allaria et al, J. Synchrotron Rad., 22:485(2015)

  • [3]

    DENG Hai-Xiao et al, Chinese Physics C, 38:028101(2014)

  • [4]

    J. M. Ortega, Nucl. Instrum. Methods A, 341:138(1994)

  • [5]

    N. Vinokurov, J. of IRMMTHz Waves, 32:1123(2011)

  • [6]

    L. Giannessi et al, Phys. Rev. Lett., 106.14:144801(2011)

  • [7]

    Z. T. Zhao et al, Nature Photonics, 6 (6):360-363(2012)

  • [8]

    J. M. Ortega, M. Bergher, R. Chaput et al, Nucl. Instrum. Methods A, 285:97-103(1989)

  • [9]

    W. Schollkopf et al, First lasing of the IR FEL at the FritzHaber Institut, Berlin. Proc. of FEL Conference. Nara, Japan. 2012, p. 1-4

  • [10]

    W. Schollkopf et al, The new IR and THz FEL Facility at the Fritz Haber Institute in Berlin. Proc. of SPIE, 9512:95121L-1(2015)

  • [11]

    P. W. van Amersfoort, R. W. B. Best, R. van Buuren et al, Nucl. Instrum. Methods A, 296:217-221(1990)

  • [12]

    P. W. van Amersfoort, R. J. Bakker, J. B. Bekkers et al, Nucl. Instrum. Methods A, 318:42-46(1992)

  • [13]

    Heting Li, Yalin Lu, Zhigang He, Qika Jia, and Lin Wang, J. of IRMMTHz Waves, 37:649-657(2016)

  • [14]

    Y.-C. Huang, Appl. Phys. Lett., 96:2315039(2010)

  • [15]

    He-Ting Li, Qi-Ka Jia, Shan-Cai Zhang, Lin Wang, and Yong-Liang Yang, Chinese Physics C, 41:018102(2017)

  • [16]

    Kim, Kwang-Je, Phys. Rev. Lett., 66:2746(1991)

  • [17]

    N. Piovella et al, Physical Review E, 52 (5):5470(1995)

  • [18]

    G. Dattoli et al, IEEE J. Quantum Electron, 17:1371(1981)

  • [19]

    G. Dattoli et al, Journal of Applied Physics, 101:103109(2007)

  • [20]

    P. L. Ottaviani et al, Nucl. Instrum. Methods A, 834:108-117(2016)

  • [21]

    R. Bonifacio et al, J. of IRMMTHz Waves, 28 (9):699-704(2007)

  • [22]

    S. Reiche, Nucl. Instrum. Methods A, 429:243(1999)

  • [23]

    Vander slot P et al, Phys. Rev. Lett., 102:244802(2009)

  • [24]

    W. B. Colson, Nucl. Instrum. Methods A, 250:168-175(1986)

  • [25]

    B. A. Richman, J. M. J. Madey, E. Szamers, Phys. Rev. Lett., 16:1682(1989)

  • [26]

    G. M. H. Knippels et al, Phys. Rev. Lett., 75:1755(1995)