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Discher, M. ; Bortolin, E.* ; Woda, C.

Investigations of touchscreen glasses from mobile phones for retrospective and accident dosimetry.

Radiat. Meas. 89, 44-51 (2016)

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DOI

	Open Access Green

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Touchscreen glasses of mobile phones are sensitive to ionizing radiation and have the potential of usage as an emergency dosimeter for retrospective dosimetry for the purpose of triage after a radiological accident or attack. In this study the TL glow curves and dosimetric properties of touchscreen glasses were studied in detail, such as intrinsic background dose, dose response, reproducibility, optical stability and long-term stability of the TL signal.Preliminary results are additionally presented to minimize the intrinsic background dose by mechanically removing the surface layer of the glass samples. Additionally chemical element analyses of the touchscreen glass samples were carried out to investigate the difference between glass samples which show a TL signal and samples which show neither an intrinsic zero dose signal nor a radiation induced TL signal.An irradiation trial using glass samples stored in the dark demonstrated a successful dose recovery. However, when applying a realistic, external light exposure scenario, dose underestimation was observed, even though samples were pre-bleached prior to measurement. More investigations have to be carried out in the future to solve the challenge of the low optical stability of the TL signal, if touchscreen glasses are to be used as a reliable emergency dosimeter.

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Publication type Article: Journal article

Document type Scientific Article

Corresponding Author

Keywords Accident Dosimetry ; Emergency Dosimeter ; Retrospective Dosimetry ; Thermoluminescence ; Touchscreen Glass Of Mobile Phones; Electronic Components; Osl; Thermoluminescence

ISSN (print) / ISBN 1350-4487

e-ISSN 1879-0925

Journal Radiation Measurements

Quellenangaben Volume: 89, Pages: 44-51

Publisher Elsevier

Publishing Place Oxford

Non-patent literature Publications

Reviewing status Peer reviewed

Institute(s) Institute of Radiation Protection (ISS)