Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 562028
Title Optically stimulated luminescence dating of young quartz using the fast component
Author(s) Cunningham, Alastair C.; Wallinga, Jakob
Source Radiation Measurements 44 (2009)5-6. - ISSN 1350-4487 - p. 423 - 428.
DOI https://doi.org/10.1016/j.radmeas.2009.02.014
Publication type Refereed Article in a scientific journal
Publication year 2009
Keyword(s) Curve fitting - Deconvolution - Fast component - Luminescence dating - OSL dating
Abstract

We have attempted to isolate the fast component of the quartz optically stimulated luminescence (OSL) signal using a curve-fitting procedure. By pre-determining the decay constants, the procedure is simple enough to be scripted, allowing a large number of aliquots to be processed. A Monte Carlo error routine is used, in which simulated decay curves are fitted with several exponentials, which vary in their decay rates according to the measured distributions of fast and medium component decay rates. The derived error term is closely related to the intensity of the fast component signal, but is also influenced by the degree of similarity between the equivalent doses of the fast and medium OSL components. There are potential advantages in using this procedure to date both well-bleached and partially bleached quartz, of any depositional age.

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