Improved direct detection of low-energy ions using a multipixel photon counter coupled with a novel scintillator
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- 作者：Benjamin Winter benjaminwin@aol.com" class="auth_mail" title="E-mail the corresponding author ; Simon J. King simon-john.king@chem.ox.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Mark Brouard mark.brouard@chem.ox.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Claire Vallance ; claire.vallance@chem.ox.ac.uk" class="auth_mail" title="E-mail the corresponding author
- 关键词：Direct ion detection ; Fast scintillator ; Single-photon avalanche diode ; Microchannel plate
- 刊名：International Journal of Mass Spectrometry
- 出版年：2016
- 出版时间：15 March 2016
- 年：2016
- 卷：397-398
- 期：Complete
- 页码：27-31
- 全文大小：500 K
文摘
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A new silicon-based ion detector has been developed for time-of-flight mass spectrometry.
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The detector comprises a fast scintillator coupled to a single-photon avalanche diode array.
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Time resolution and sensitivity are improved by almost an order of magnitude compared with an earlier prototype.
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The detector does not require high vacuum or high voltages.
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The time resolution of the detector is 2 ns or better.