期刊
JOURNAL OF SYNCHROTRON RADIATION
卷 26, 期 -, 页码 559-564出版社
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S1600577519000523
关键词
PES; HAXPES; PEEM; HAXPEEM; beamline; X-ray optics
An optical design study of a beamline proposed for the new 6GeV synchrotron, the High Energy Photon Source (HEPS), to be built in Beijing, China, is described. The beamline is designed to cover an energy range from 0.5 to 11keV with two experimental stations, one for X-ray photoelectron spectroscopy (PES) experiments and the other for photoelectron emission microscopy (XPEEM) experiments. A 5m APPLEII-type undulator with a relatively long magnetic period (55mm) is used as the only radiation source. To optimize the optical efficiency for the full energy range, the beamline is split into a soft X-ray branch that is based on a variable-line-spacing plane-grating monochromator and a tender X-ray branch that uses a four-bounce monochromator with three Si channel-cut pairs. To allow both PES and XPEEM to be performed over the entire energy range, two toroidal mirrors and a bendable KB mirror pair are employed to deliver the soft and tender beams, respectively, to either of two experimental stations.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据