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题名: Design of an ultrahigh-energy-resolution and wide-energy-range soft X-ray beamline
作者: Xue, L.1;  Reininger, R.2;  Wu, Y. -Q.1;  Zou, Y.1;  Xu, Z. -M.1;  Shi, Y. -B.3;  Dong, J.3;  Ding, H.3;  Sun, J. -L.4;  Guo, F. -Z.5;  Wang, Y.1;  Tai, R. -Z.1
关键词: soft X-ray beamline ;  ultrahigh-energy resolution ;  ARPES ;  thermal deformation
刊名: JOURNAL OF SYNCHROTRON RADIATION
发表日期: 2014
DOI: 10.1107/S1600577513029093
卷: 21, 页:273-279
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Instruments & Instrumentation ;  Optics ;  Physics, Applied
研究领域[WOS]: Instruments & Instrumentation ;  Optics ;  Physics
英文摘要: A new ultrahigh-energy-resolution and wide-energy-range soft X-ray beamline has been designed and is under construction at the Shanghai Synchrotron Radiation Facility. The beamline has two branches: one dedicated to angle-resolved photoemission spectroscopy (ARPES) and the other to photoelectron emission microscopy (PEEM). The two branches share the same plane-grating monochromator, which is equipped with four variable-line-spacing gratings and covers the 20-2000 eV energy range. Two elliptically polarized undulators are employed to provide photons with variable polarization, linear in every inclination and circular. The expected energy resolution is approximately 10 meV at 1000 eV with a flux of more than 3 x 10(10) photons s(-1) at the ARPES sample positions. The refocusing of both branches is based on Kirkpatrick-Baez pairs. The expected spot sizes when using a 10 mu m exit slit are 15 mu m x 5 mu m (horizontal x vertical FWHM) at the ARPES station and 10 mu m x 5 mu m (horizontal x vertical FWHM) at the PEEM station. The use of plane optical elements upstream of the exit slit, a variable-line-spacing grating and a pre-mirror in the monochromator that allows the influence of the thermal deformation to be eliminated are essential for achieving the ultrahigh-energy resolution.
关键词[WOS]: SYNCHROTRON-RADIATION ;  ELECTRON-MICROSCOPY ;  SCATTERING ;  OPTICS
语种: 英语
WOS记录号: WOS:000328939400039
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145448
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA
3.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
5.Dalian Jiaotong Univ, Dalian, Peoples R China

Recommended Citation:
Xue, L.,Reininger, R.,Wu, Y. -Q.,et al. Design of an ultrahigh-energy-resolution and wide-energy-range soft X-ray beamline[J]. JOURNAL OF SYNCHROTRON RADIATION,2014,21:273-279.
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