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 562026
Title Analysis of the quartz OSL decay curve by differentiation
Author(s) Bos, Adrie J.J.; Wallinga, Jakob
Source Radiation Measurements 44 (2009)5-6. - ISSN 1350-4487 - p. 588 - 593.
Publication type Refereed Article in a scientific journal
Publication year 2009
Keyword(s) Exponential analysis - Numerical differentiation - OSL components - Quartz

A mathematical transformation based on differentiation is introduced that converts a Continuous Wave Optically Stimulated Luminescence (CW-OSL) decay curve composed of a number of exponentials into a spectrum like curve with different peaks. Peak areas of the transformed curve are equal to the time integrated OSL of the exponentials. It is shown that the peaks of the transformed curve are more separated then the original decay curve components. The transformation is applied to computer generated OSL curves and to measured CW-OSL decay curves of three different quartz samples. Advantages and limitations of this differentiation analysis method are discussed.

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