Compact analyzer for a laser time-of-flight mass spectrometer

被引：5
|
作者：
Karpov, Alexander V. [1 ]
Spakhov, Alexander V. [1 ]
Sysoev, Alexander A. [1 ]
机构：
[1] Natl Res Nucl Univ MEPhI, Kashirskoye 31, Moscow 115409, Russia
来源：
EUROPEAN JOURNAL OF MASS SPECTROMETRY | 2015年 / 21卷 / 06期
关键词：
laser ion source; TOF mass analyzer; wedge shaped mirror; ion optics; time aberrations; aberrations correction; mass resolution;
D O I：
10.1255/ejms.1401
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：
Aspects of a new type of laser time-of-flight mass spectrometer are described in this letter. It is based on a wedge-shaped reflecting mirror and is used as an ion analyzer. The analyzer provides time focusing by both energy and divergence angle of ions. Time focusing of good quality is acquired in the energy range of +/-20% of the average ion energy, which is, at least, two times wider than the energy range of the known ion optical systems for similar applications. The mass resolution of the analyzer is -600, while overall dimensions are very small (10 x 10 x 5 cm).
引用
收藏
页码：823 / 827
页数：5
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