Design and commissioning of hard x-ray undulator beamline providing high flux beam at 1% bandwidth

Optical components in optics hutches of a hard x-ray undulator beamline of BL05XU at SPring-8 was restructured for providing a high flux beam at 1% bandwidth in the x-ray energy range from 5 to 100 keV. The so-called pink beam by a double-multilayer monochromator or total reflection mirrors pair with a prism made of glassy carbon as a harmonic separator are prepared in this beamline. The total reflection mirrors have three stripes; rhodium and platinum coated surface and silicon uncoated surface. Additionally, a silicon single crystal monochromator and a silicon channel cut crystal monochromator with liquid nitrogen cooling system are planned to be installed. The installation of these optical components started at January 2020. The commissioning of some components using undulator radiation will be started at April 2020.