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Radiation Protection Dosimetry 101:111-114 (2002)
© 2002 Oxford University Press

A TL/OSL Emission Spectrometer Extension of the Risų Reader

A. J. J. Bos, A. J. M. Winkelman, N. J. M. Le Masson, A. V. Sidorenko and C. W. E. van Eijk

The integration of a low cost, compact sized spectrometer with the Risų reader is described. The luminescence light emitted by the sample is transmitted by an optical fibre onto a fixed entrance slit of a spectrograph. The light is measured with a high sensitivity 2048-element CCD-linear array detector (Avantes PC2000) sensitive in the UV-VIS region. The CCD array has a low readout noise and a photon sensitivity of 86 photons per count. Examples are given of both thermally and optically stimulated 3-D spectra showing the luminescence spectra as a function of temperature and time respectively. Spectra from CaF2:Tm (TLD-300) chips could be distinguished from the background (2 SD) at a 0.7 Gy dose level.


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A. J. J. Bos, M. Prokic, and J. C. Brouwer
Optically and thermally stimulated luminescence characteristics of MgO:Tb3+
Radiat Prot Dosimetry, September 1, 2006; 119(1-4): 130 - 133.
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