The suitability of smartphone camera sensors for detecting radiation

Abstract The advanced image sensors installed on now-ubiquitous smartphones can be used to detect ionising radiation in addition to visible light. Radiation incidents on a smartphone camera’s Complementary Metal Oxide Semiconductor (CMOS) sensor creates a signal which can be isolated from a visible...

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Autores principales:	Yehia H. Johary, Jamie Trapp, Ali Aamry, Hussin Aamri, N. Tamam, A. Sulieman
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/df8dce665d35494e8955ad4c5858480c
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spelling	oai:doaj.org-article:df8dce665d35494e8955ad4c5858480c2021-12-02T17:41:28ZThe suitability of smartphone camera sensors for detecting radiation10.1038/s41598-021-92195-y2045-2322https://doaj.org/article/df8dce665d35494e8955ad4c5858480c2021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-92195-yhttps://doaj.org/toc/2045-2322Abstract The advanced image sensors installed on now-ubiquitous smartphones can be used to detect ionising radiation in addition to visible light. Radiation incidents on a smartphone camera’s Complementary Metal Oxide Semiconductor (CMOS) sensor creates a signal which can be isolated from a visible light signal to turn the smartphone into a radiation detector. This work aims to report a detailed investigation of a well-reviewed smartphone application for radiation dosimetry that is available for popular smartphone devices under a calibration protocol that is typically used for the commercial calibration of radiation detectors. The iPhone 6s smartphone, which has a CMOS camera sensor, was used in this study. Black tape was utilized to block visible light. The Radioactivity counter app developed by Rolf-Dieter Klein and available on Apple’s App Store was installed on the device and tested using a calibrated radioactive source, calibration concrete pads with a range of known concentrations of radioactive elements, and in direct sunlight. The smartphone CMOS sensor is sensitive to radiation doses as low as 10 µGy/h, with a linear dose response and an angular dependence. The RadioactivityCounter app is limited in that it requires 4–10 min to offer a stable measurement. The precision of the measurement is also affected by heat and a smartphone’s battery level. Although the smartphone is not as accurate as a conventional detector, it is useful enough to detect radiation before the radiation reaches hazardous levels. It can also be used for personal dose assessments and as an alarm for the presence of high radiation levels.Yehia H. JoharyJamie TrappAli AamryHussin AamriN. TamamA. SuliemanNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yehia H. Johary Jamie Trapp Ali Aamry Hussin Aamri N. Tamam A. Sulieman The suitability of smartphone camera sensors for detecting radiation
description	Abstract The advanced image sensors installed on now-ubiquitous smartphones can be used to detect ionising radiation in addition to visible light. Radiation incidents on a smartphone camera’s Complementary Metal Oxide Semiconductor (CMOS) sensor creates a signal which can be isolated from a visible light signal to turn the smartphone into a radiation detector. This work aims to report a detailed investigation of a well-reviewed smartphone application for radiation dosimetry that is available for popular smartphone devices under a calibration protocol that is typically used for the commercial calibration of radiation detectors. The iPhone 6s smartphone, which has a CMOS camera sensor, was used in this study. Black tape was utilized to block visible light. The Radioactivity counter app developed by Rolf-Dieter Klein and available on Apple’s App Store was installed on the device and tested using a calibrated radioactive source, calibration concrete pads with a range of known concentrations of radioactive elements, and in direct sunlight. The smartphone CMOS sensor is sensitive to radiation doses as low as 10 µGy/h, with a linear dose response and an angular dependence. The RadioactivityCounter app is limited in that it requires 4–10 min to offer a stable measurement. The precision of the measurement is also affected by heat and a smartphone’s battery level. Although the smartphone is not as accurate as a conventional detector, it is useful enough to detect radiation before the radiation reaches hazardous levels. It can also be used for personal dose assessments and as an alarm for the presence of high radiation levels.
format	article
author	Yehia H. Johary Jamie Trapp Ali Aamry Hussin Aamri N. Tamam A. Sulieman
author_facet	Yehia H. Johary Jamie Trapp Ali Aamry Hussin Aamri N. Tamam A. Sulieman
author_sort	Yehia H. Johary
title	The suitability of smartphone camera sensors for detecting radiation
title_short	The suitability of smartphone camera sensors for detecting radiation
title_full	The suitability of smartphone camera sensors for detecting radiation
title_fullStr	The suitability of smartphone camera sensors for detecting radiation
title_full_unstemmed	The suitability of smartphone camera sensors for detecting radiation
title_sort	suitability of smartphone camera sensors for detecting radiation
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/df8dce665d35494e8955ad4c5858480c
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The suitability of smartphone camera sensors for detecting radiation

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