Abstract
The construction of Pohang Accelerator Laboratory X-ray Free-Electron Laser (PAL-XFEL), a 0.1-nm hard X-ray free-electron laser (FEL) facility based on a 10-GeV S-band linear accelerator (LINAC), is achieved in Pohang, Korea by the end of 2016. The construction of the 1.11 km-long building was completed by the end of 2014, and the installation of the 10-GeV LINAC and undulators started in January 2015. The installation of the 10-GeV LINAC, together with the undulators and beamlines, was completed by the end of 2015. The commissioning began in April 2016, and the first lasing of the hard X-ray FEL line was achieved on 14 June 2016. The progress of the PAL-XFEL construction and its commission are reported here.
Highlights
The PohangAccelerator Laboratory X-ray Free-Electron Laser (PAL-XFEL) project was started in 2011 for the generation of X-ray free-electron laser (FEL) radiation in a range of 0.1 to 10 nm for users
The major high power devices of the linear accelerator are thethe doubler increases the peak power of the RF pulse by reducing the RF pulse length to increase modulators, the klystrons, the energy doublers (ED), and the accelerating structures (AS)
Six spectrometer dipole systems are located at the gun section, laser heater, BC1, soft X-ray branch, BC3S and hard X-ray
Summary
In 2011 for the generation of X-ray FEL radiation in a range of 0.1 to 10 nm for users. The budget was limited to two undulator lines; one for Keywords: FEL; free electron laser; PAL; PAL‐XFEL; construction; commissioning; LINAC; beamline a hard, and the other for a soft X-ray line. 27 RF stations where station klystron, compressors (BC1, BC2, BC3), and a dogleg transport line to the undulators, as shown in Figure four accelerating structures, and one energy doubler. 10-GeV linear accelerator are thethe doubler increases the peak power of the RF pulse by reducing the RF pulse length to increase modulators, the klystrons, the energy doublers (ED), and the accelerating structures (AS).
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