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Ohashi, Masaharu; Takahashi, Yoshihiro; Terakado, Nobuaki; Onoue, Noriko; Shinozaki, Tsuyoshi; Fujiwara, Takumi
Scientific reports, 02/2020, Letnik: 10, Številka: 1Journal Article
Development of minimally invasive and site-selective biological temperature sensing is quite important in medical field. This study presents a novel temperature sensing technique based on afterglow and optically-stimulated luminescence (OSL). The dependence of afterglow photoluminescent intensity on the environmental temperature of zirconia (ZrO ) phosphor is examined to validate its use as a sensing probe. In addition, assuming the measurement in deep-part of human body, we have applied the information gathered from our validation to observe OSL from the ZrO by irradiation with near-infrared laser through a bone sample. This study demonstrates an alternative medical application of phosphor, and introduces an elemental-technology for the temperature sensing.
