Vacuum Ultraviolet Single-Photon Ionization Time-of-Flight Mass Spectrometer
β Scribed by Guo-Bin TAN; Wei GAO; Zheng-Xu HUANG; Yi HONG; Zhong FU; Jun-Guo DONG; Ping CHENG; Zhen ZHOU
- Book ID
- 119635567
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- Chinese
- Weight
- 441 KB
- Volume
- 39
- Category
- Article
- ISSN
- 1872-2040
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## Abstract A small highβirradiance laser ionization timeβofβflight mass spectrometer (LIβTOFMS) with orthogonal sample introduction was described. High irradiance of 6 Γ 10^10^ W/cm^2^ at 532 nm from a Nd : YAG laser was applied in the experiment to get a high ionization degree in plasma and to di
Neutral atoms and clusters desorbed from a solid germanium surface by ion bombardment are detected by laser postionization and time-of-flight mass spectrometry. Two different photoionization schemes are compared which are generally believed to be candidates for the 'soft' ionization of polyatomic sp