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题名: On-line spectral diagnostic system for Dalian Coherent Light Source
作者: Li, Chaoyang1;  Wei, Shen1;  Du, Xuewei1;  Du, Liangliang1;  Wang, Qiuping1;  Zhang, Weiqing2;  Wu, Guorong2;  Dai, Dongxu2;  Yang, Xueming2
关键词: Free electron laser ;  Spectrometer ;  Variable-line-spacing plane grating ;  Circular stage ;  Resolving power
刊名: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
发表日期: 2015-05-21
DOI: 10.1016/j.nima.2015.01.089
卷: 783, 页:65-67
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Instruments & Instrumentation ;  Nuclear Science & Technology ;  Physics, Particles & Fields ;  Spectroscopy
研究领域[WOS]: Instruments & Instrumentation ;  Nuclear Science & Technology ;  Physics ;  Spectroscopy
英文摘要: The Dalian Coherent Light Source (DCLS) is a Free electron laser (EEL) user facility currently under construction in the northeast of China, It is designed to work on high gain high harmonic principle with the capability of wavelength continuously tunable in the EUV regime of 50-150 nm. The light source has unique features such as the turntable radiation frequency, wide spectral range, high brightness and peak power, very short pulse time structure, etc. A key diagnostic task in DCLS is the on-line source spectral characteristic recording during the source development, and for the definition of the experimental conditions. For this purpose, an online grazing incidence spectrometer with a toroidal mirror and a variable-line-spacing plane grating is designed and presented in this paper to monitor each single EEL pulse. A circular stage is chosen to fit the focal curve and to realize the wavelength scanning. This scanning mechanics is simpler and stable. Resolving power (lambda/Delta lambda) of this spectrometer is better than 12,000 in the whole wavelength range. (C) 2015 Elsevier B.V. All rights reserved.
关键词[WOS]: FREE-ELECTRON LASER ;  CORRECTED CONCAVE GRATINGS ;  EXTREME-ULTRAVIOLET ;  SPECTROGRAPH ;  OPERATION
语种: 英语
WOS记录号: WOS:000352142200010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146141
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.Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Li, Chaoyang,Wei, Shen,Du, Xuewei,et al. On-line spectral diagnostic system for Dalian Coherent Light Source[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2015,783:65-67.
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