Wikipedia
SACLA
The SPring-8 Angstrom Compact free electron LAser, referred to as SACLA (pronounced さくら (Sa-Ku-Ra)), is an free-electron laser (X-FEL) in Japan, embedded in the SPring-8 accelerator and synchrotron complex. When it first came into operation 2011, it was the second X-FEL in the world and the first in Japan.