Performance tests using the Lexsyg luminescence reader

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• 作者：Johanna Lomax ; Sebastian Kreutzer ; Markus Fuchs
• 关键词：dosimetry ; instrumentation ; reproducibility ; luminescence dating
• 刊名：Geochronometria
• 出版年：2014
• 出版时间：December 2014
• 年：2014
• 卷：41
• 期：4
• 页码：327-333
• 全文大小：1,737 KB
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• 作者单位：Johanna Lomax (1)
  Sebastian Kreutzer (1) (2)
  Markus Fuchs (1)
  
  1. Department of Geography, Justus-Liebig-University Giessen, Senckenbergstr. 1, 35390, Giessen, Germany
  2. IRAMAT-CRP2A, Université Bordeaux Montaigne, Maison de l’Archéologie, Esplanade des Antilles, 33607, Pessac Cedex, France
  
• ISSN：1897-1695

文摘

This study presents test measurements on a Lexsyg luminescence reader, acquired by the Giessen luminescence group. The reader is of the type Standard, hence designed for routine determination of palaeodoses using quartz or K-feldspars. The tests include measurements of the stimulation powers, preheat temperatures, OSL- and TL-curves, as well as dose recovery tests and calibration measurements using highly sensitised calibration quartz. A comparison of D e values determined using a Lexsyg reader with single grain D e-values, which have been previously obtained on a Ris? reader, is also presented. The results imply that the Lexsyg reader is a highly reliable measurement device with high reproducibility, yielding instrumental uncertainties of around 0.3%.