Abstract
High resolution emission spectra of several TL materials, that are commonly used in dosimetry, were measured using a low cost fibre optic spectrometer containing a 2048 pixel CCD array. The spectra were taken from 177 to 890 nm with a wavelength resolution of 1.3 nm. This allowed for line width discrimination and the resolution of transitions that have not been seen so far. For rare earth doped materials like CaF2:Tm (TLD-300) and CaF2:Dy (TLD-200) the spectral lines were compared to the energy levels measured by Dieke and Crosswhite leading to the identification of most of the transition lines.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Aluminum Oxide / chemistry
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Aluminum Oxide / radiation effects
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Borates / chemistry
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Borates / radiation effects
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Calcium Fluoride / chemistry
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Calcium Fluoride / radiation effects
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Copper / chemistry
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Fiber Optic Technology
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Fluorides / chemistry
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Fluorides / radiation effects
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Lithium Compounds / chemistry
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Lithium Compounds / radiation effects
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Magnesium / chemistry
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Phosphorus / chemistry
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Spectrum Analysis / methods*
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Thermoluminescent Dosimetry / methods*
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Titanium / chemistry
Substances
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Borates
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Lithium Compounds
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lithium fluoride
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Phosphorus
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Copper
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Titanium
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lithium borate
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Magnesium
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Aluminum Oxide
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Calcium Fluoride
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Fluorides