Synchronization of FEL and high-order harmonics of ultrashort-pulsed laser for generating intense full-coherent EUV light pulses
A. Iwasaki, T. Sato, S. Owada, T. Togashi, E.J. Takahashi, K. Midorikawa, M. Aoyama, K. Yamakawa, S. Matsubara, Y. Okayasu, H. Tomizawa, T. Watanabe, M. Nagasono, M. Yabashi, T. Ishikawa and K. Yamanouchi