The hard X-ray FEL reaches 0.1 nm oscillating wavelength, whereas the soft SX-FEL beamline reaches 12 nm wavelength. The SACLA facility is the world’s only which offers both types of beamlines in parallel.
RIKEN news release, July 22, 2016
RIKEN’s SACLA starts world’s first facility of soft and hard X-ray free electron laser (FEL)