Variability of infrared stimulated luminescence properties from fractured feldspar grains

S. Huot, M. Lamothe

Research output: Contribution to journalArticlepeer-review


A series of OSL properties of fragments from split feldspar grains have been investigated. These are (1) the response to a radiation dose, (2) the recycling of corrected induced luminescence (Li/Ti), (3) the corrected natural luminescence (LN/TN), (4) the corrected thermal transfer luminescence (termed herein Ltt/Ttt) and, (5) the rate of anomalous fading ("g"). It was found that the parameters of different parts of the same grain are the same. The relative uncertainty, at the 2 sigma level, at which we can claim that the measured parameters are correlated, is generally less than 5% but is ca 40% for the anomalous fading rate due to measurement uncertainty. For young partially bleached sediments, the result is that one could use one fragment to evaluate the equivalent dose and another to assess the contribution of thermal transfer resulting from preheating the natural luminescence.

Original languageEnglish (US)
Pages (from-to)499-503
Number of pages5
JournalRadiation Measurements
Issue number4-5
StatePublished - Aug 2003
Externally publishedYes

ASJC Scopus subject areas

  • Radiation
  • Instrumentation


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