Persistent luminescence of commercial TLD-100 dosimeter: Using shallow traps for radiation dosimetry

Ch J. Salas-Juárez*, M. A. Ugalde-Valdés, J. Guzmán-Mendoza, D. Nolasco-Altamirano, M. Martínez-Gil, C. E. Gómez-Dominguez, C. A. Guarin, R. Melendrez, T. Rivera-Montalvo

*Autor correspondiente de este trabajo

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

3 Citas (Scopus)

Resumen

This work reports the persistent luminescence (PersL) properties of the commercial LiF:Mg,Ti (TLD-100) dosimeter and its performance in dosimetry applications. The thermoluminescence (TL) glow curve of the TLD-100 exhibits a peak at 96 °C that rapidly vanishes at room temperature, enabling the PersL phenomenon. The TLD-100 was exposed to beta particle irradiation within in the range of 0.22–32 Gy. The resulting PersL intensity was measured and found to increase as the irradiation dose increased. Notably, there was no saturation of the PersL intensity within this dose range with linear dependence from 0.55 to up 32 Gy. The TLD-100 showed good repeatability with a deviation of 0.1% after seven irradiation-readout cycles for twenty irradiations. The calculated lower detection limit was 2 mGy. Our results indicate that the TLD-100 can be used as a PersL and TL dosimeter for dosimetry applications, with the advantages of fast post-irradiation measurements.

Idioma originalInglés
Número de artículo106997
PublicaciónRadiation Measurements
Volumen167
DOI
EstadoPublicada - sep. 2023

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