The precision and accuracy of "S/"S ratio measurements in sulfides by ion microprobe is compared using two different techniques, high mass resolution and extreme energy filtering. Our results indicate that the extreme energy filtering technique is more robust, yielding both better precision and accu
A B-TOF mass spectrometer for the analysis of ions with extreme high start-up energies
✍ Scribed by M. Lezius
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 176 KB
- Volume
- 37
- Category
- Article
- ISSN
- 1076-5174
- DOI
- 10.1002/jms.286
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✦ Synopsis
Abstract
Weak magnetic deflection is combined with two acceleration stage time‐of‐flight mass spectrometry and subsequent position‐sensitive ion detection. The experimental method, called B‐TOF mass spectrometry, is described with respect to its theoretical background and some experimental results. It is demonstrated that the technique has distinct advantages over other approaches, with special respect to the identification and analysis of very highly energetic ions with an initially large energy broadening (up to 1 MeV) and with high charge states (up to 30+). Similar energetic targets are a common case in intense laser–matter interaction processes found during laser ablation, laser–cluster and laser–molecule interaction and fast particle and x‐ray generation from laser‐heated plasma. Copyright © 2002 John Wiley & Sons, Ltd.
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