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Thermally assisted OSL from deep traps in Al2O3:C

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<mark>Journal publication date</mark>03/2010
<mark>Journal</mark>Radiation Measurements
Issue number3-6
Volume45
Number of pages4
Pages (from-to)519-522
Publication StatusPublished
<mark>Original language</mark>English

Abstract

The present work suggests an alternative experimental method in order to not only measure the signal of the deep traps in Al2O3:C without heating the sample to temperatures greater than 500 degrees C, but also use this signal for high dose level dosimetry purposes as well. This method consists of photo transfer OSL measurements performed at elevated temperatures using the blue LEDs (470 nm, FWHM 20 nm) housed at commercial Riso TL/OSL systems, after the sample was previously heated up to 500 degrees C in order to empty its main TL dosimetric trap. The influence of this procedure on specific features such as glow curve shape and sensitivity of the main TL glow peak was also studied.