20 September 2002 Micrometer-sized point temperature sensor in Er:ZBLALiP
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Abstract
A new kind of Erbium-doped heavy fluoride glass Er:ZBLALiP was elaborated, and microspheres were fabricated with this fluoride glass. Thermal properties and spectroscopic properties of Er:ZBLALiP excited at 805 nm were investigated. Based on this thermalization effects between upper levels of green fluorescence in Er:ZBLALiP, we proposed an optical temperature sensing using micrometer-sized spherical cavity. The sphere temperature is scaled by the ratio of green emission intensities at 522 and 547 nm. A wide dynamic temperature ranging from 100 K to 850 K can be utilized by this type of point temperature sensor.
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Zhiping Cai, Zhiping Cai, Hue-Yin Xu, Hue-Yin Xu, S.L. Yang, S.L. Yang, Patrice Feron, Patrice Feron, Guy Michel Stephan, Guy Michel Stephan, Michel Mortier, Michel Mortier, } "Micrometer-sized point temperature sensor in Er:ZBLALiP", Proc. SPIE 4919, Advanced Materials and Devices for Sensing and Imaging, (20 September 2002); doi: 10.1117/12.471901; https://doi.org/10.1117/12.471901
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