Design and experiment of a laser ionization source for ion mobility spectrometer

被引：0
|
作者：
Ren-dong Ji
Xiang-he Kong
Xian-yun Liu
Shu-dong Zhang
机构：
[1] Qufu Normal University,College of Physics and Engineering
来源：
Optoelectronics Letters | 2006年 / 2卷 / 5期
关键词：
O561.3; A;
D O I：
10.1007/BF03033535
中图分类号：
学科分类号：
摘要：
The fabrication and characterization of a laser ionization source for ion mobility spectrometer (IMS) is described with the calculated parameter of the drift tube. lons are created in alr at ambient pressure using laser ionization (λ=248 nm) with air as the drift gas. Mobility spectra for positive ions at different electric fields are obtained with the length of drift tube of 25 and 50 nm, respectively. The distribution of the electric field in the drift tube (50 nm) has also been investigated by SIMION simulation with the ion shutter closed and open respectively.
引用
收藏
页码：399 / 402
页数：3
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