Abstract
In this work, the optically stimulated luminescence (OSL) properties of camera lens protectors and their potential use in emergency dosimetry were investigated. Camera lens protectors can be attached to mobile phones, which are commonly carried by individuals and may be useful in estimating an emergency dose. The presented results confirm the great potential of this type of glass material for dose determination. The glass protectors exhibit advantageous properties, such as linear dose dependence in the range of at least 0.6–10 Gy, minimum detectable dose at the level of tens of mGy, and good measurement repeatability for samples of the same type. Significant fading during the first day after exposure is an undesirable feature of tested glass. Nevertheless, the application of the correction for fading shows promising results in the dose recovery process.
Highlights
The interest in emergency dosimetry results from the growing role of nuclear power plants in electricity generation and the use of ionizing radiation in medicine, science, and industry, which increases the probability of situations where the population may be exposed to radiation, and large areas may be contaminated by radiation
Detectors commonly used in the optically stimulated luminescence (OSL) method in individual and environmental dosimetry are aluminum oxide doped with carbon (Al2 O3 :C)
None of the measured samples showed an increased OSL signal, and the BG was on a similar level for a given type of glass
Summary
The interest in emergency dosimetry results from the growing role of nuclear power plants in electricity generation and the use of ionizing radiation in medicine, science, and industry, which increases the probability of situations where the population may be exposed to radiation, and large areas may be contaminated by radiation. Many measurement methods are used, including those that use luminescent phenomena-thermoluminescence (TL) and optically stimulated luminescence (OSL). The. TL and OSL usually occur in crystalline dielectric materials with a wide energy band gap, and in materials that are not crystalline in their nature, such as glass and glass–. The all-optical nature of the OSL method indicates its advantage over TL and has caused an increased interest in OSL. Detectors commonly used in the OSL method in individual and environmental dosimetry are aluminum oxide doped with carbon (Al2 O3 :C)
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