1. T. Bizen, Development of vacuum components for XFEL/SPring-8, in Proceedings of EPAC08, 11th European Particle Accelerator Conference, Genoa, 23–27 June 2008 (2008)
2. Z.D. Farkas et al., SLED: a method of doubling SLAC’s energy, SLAC-PUB-1453, June 1974
3. T. Inagaki et al., High gradient operation of 8 GeC C-band accelerator in SACLA, in Proceedings of LINAC2012, Tel-Aviv (2012)
4. T. Inagaki, C. Kondo, H. Maesaka, T. Ohshima, Y. Otake, T. Sakurai, K. Shirasawa, T. Shintake, High-gradient C-band linac for a compact x-ray free-electron laser facility. PRST-AB Phys. Rev. Spec. Top. Accel. Beams 17, 080702 (2014)
5. T. Ishikawa et al., A compact X-ray free-electron laser emitting in the sub-angstrom region. Nat. Photon. 6, 540–544 (2012). 2012.141