Enhancing of the signal-to-noise ratio in MATI spectra

被引：20
|
作者：
Gunzer, F [1 ]
Grotemeyer, J [1 ]
机构：
[1] Univ Kiel, Inst Phys Chem, Kiel, Germany
来源：
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY | 2003年 / 228卷 / 2-3期
关键词：
MATI spectra; signal-to-noise ratio; p-xylene; multiphoton absorption; multiphoton ionization;
D O I：
10.1016/S1387-3806(03)00195-7
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The aromatic hydrocarbon derivative p-xylene has been investigated using MATI spectroscopy. The apparatus used in this experiment was a standard reflectron time-of-flight mass spectrometer (ReTOF). A study of the dependence of the MATI signal on the laser intensity has been performed showing that the MATI signal strength and thus the signal-to-noise ratio of the MATI spectrum can be greatly enhanced. The spectral resolution is not affected by this signal enhancement. (C) 2003 Elsevier Science B.V All rights reserved.
引用
收藏
页码：921 / 931
页数：11
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