DICP OpenIR
Note: A simple method to suppress the artificial noise for velocity map imaging spectroscopy
Qin, Zhengbo1; Li, Chunsheng1; Qu, Zehua1; Tang, Zichao2
刊名REVIEW OF SCIENTIFIC INSTRUMENTS
2015-04-01
DOI10.1063/1.4916716
86期:4
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
类目[WOS]Instruments & Instrumentation ; Physics, Applied
研究领域[WOS]Instruments & Instrumentation ; Physics
关键词[WOS]NEGATIVE-IONS ; PHOTOELECTRON ; DYNAMICS ; EXPANSION
英文摘要A simple method has been proposed to suppress artificial noise from the counts with respect to the central line (or point) for the reconstructed 3D images with cylindrical symmetry in the velocity-map imaging spectroscopy. A raw 2D projection around the z-axis (usually referred to as central line) for photodetachment, photoionization, or photodissociation experiments is pre-processed via angular tailored method to avoid the signal counts distributed near the central line (or point). Two types of photoelectron velocity-map imaging (O- and Au-center dot NH3) are demonstrated to give rise to the 3D images with significantly reduced central line noise after pre-processing operation. The major advantages of the pre-operation are the ability of suppression of central-line noise to resolve weak structures or vibrational excitation in atoms or molecules near photon threshold. (C) 2015 AIP Publishing LLC.
语种英语
WOS记录号WOS:000353837700067
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146232
专题中国科学院大连化学物理研究所
作者单位1.Anhui Normal Univ, Dept Phys, Wuhu 241000, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
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Qin, Zhengbo,Li, Chunsheng,Qu, Zehua,et al. Note: A simple method to suppress the artificial noise for velocity map imaging spectroscopy[J]. REVIEW OF SCIENTIFIC INSTRUMENTS,2015,86(4).
APA Qin, Zhengbo,Li, Chunsheng,Qu, Zehua,&Tang, Zichao.(2015).Note: A simple method to suppress the artificial noise for velocity map imaging spectroscopy.REVIEW OF SCIENTIFIC INSTRUMENTS,86(4).
MLA Qin, Zhengbo,et al."Note: A simple method to suppress the artificial noise for velocity map imaging spectroscopy".REVIEW OF SCIENTIFIC INSTRUMENTS 86.4(2015).
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