Performance of the undulator based ultraviolet and soft x-ray beamline for catalysis and surface science at National Synchrotron Radiation Laboratory

被引：5
|
作者：
Du, Liangliang [1 ,2 ]
Du, Xuewei [2 ]
Wei, Shen [2 ]
Li, Chaoyang [3 ]
Pan, Congyuan [2 ]
Ju, Huanxin [2 ]
Wang, Qiuping [2 ]
Zhu, Junfa [2 ]
机构：
[1] Univ Sci & Technol China, Dept Precis Machinery & Precis Instrumentat, Hefei 230029, Anhui, Peoples R China
[2] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
[3] China Acad Engn Phys, Mianyang 621900, Sichuan, Peoples R China
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2016年 / 838卷
关键词：
Beamline; Varied-line-spacing plane grating monochromator; Catalysis and surface science; Ultraviolet and soft x-ray;
D O I：
10.1016/j.nima.2016.09.031
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The undulator based ultraviolet and soft x-ray beamline BL11U for catalysis and surface science at National Synchrotron Radiation Laboratory (NSRL) has been under opteration for months and the present performance is described. This beamline utilizes radiation from an in-vacuum undulator, which has 30 magnetic periods with the period length of 40 mm. A varied-line-spacing plane grating monochromator is employed tto cover the photon energy region of 20-600 eV by two gratings with nominal groove densities of 400 llmm and 1200 l/mm respectively. The energy resolution power E/Delta E is measured with a gas ionization chamber and the photon flux is measured by a photodiode. Results show that the resolution power is better than 10,000 at a photon energy of 29.2 eV. And the flux is higher than 1 x 10(10) phs/s under 300 mA ring beam current for most of the covered photon energy. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：62 / 65
页数：4
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