Turner, Joanna, Parisi, Alfio V., Igoe, Damien P., and Amar, Abdurazaq (2017) Detection of ultraviolet B radiation with internal smartphone sensors. Instrumentation Science and Technology, 45 (6). pp. 618-638.

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Abstract

Smartphones have the potential to monitor ultraviolet radiation within the terrestrial solar spectrum. Additionally, the ability to accurately estimate personal ultraviolet exposure using a smartphone may one day allow an individual control of their ultraviolet exposure. Previous studies have demonstrated the detection of ultraviolet A from 320 to 400nm with a smartphone. However, the measurement of ultraviolet B from 280 to 320nm is desirable to monitor biological effects such as erythema. No previous reports have been reported for the detection of ultraviolet B detection with a smartphone camera. This study characterized the ultraviolet B response of smartphone cameras and shows that these devices detect this radiation without additional hardware. Three smartphones were tested in the ultraviolet B waveband for dark response, temperature response, irradiance response, and spectral response. The used protocols adhered to international standards where applicable. All characterized smartphones were sensitive to ultraviolet B radiation; however, each type provides a unique response.

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