Further investigations into pulsed optically stimulated luminescence from feldspars using blue and green light

Publication: Research - peer-reviewConference article – Annual report year: 2009

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The purpose of this paper is to investigate characteristics of luminescence signals resulting from pulsed optical stimulation of feldspars and thereby to understand the underlying processes giving rise to the signal. Fourteen different feldspar specimens were investigated using time-resolved optically stimulated luminescence (TR-OSL), and these signals can be mathematically described as a sum of 4 exponential components (a, b, c, d). The slowest component, d, increases with the duration of the light pulse as expected from the exponential model. The stimulation temperature dependence experiment suggests that the TR-OSL signal decay is governed by the recombination process and not by the excited state lifetime. Furthermore data from the TR-OSL signal dependence on stimulation time and preheat temperature suggest that the recombination process may not be a sum of exponentials, although the model cannot be rejected definitively.
Original languageEnglish
JournalRadiation Measurements
Publication date2009
Volume44
Issue5-6
Pages576-581
ISSN1350-4487
DOIs
StatePublished

Conference

Conference12th International Conference on Luminescence and Electron Spin Resonance Dating
CountryChina
CityBeijing
Period18/09/0822/09/08
CitationsWeb of Science® Times Cited: 13

Keywords

  • Radiation physics, Nuclear technologies
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