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14 November 2016 Optical properties of NaLuF4: Yb3+: Tm3+/Ho3+ rare earth nanocrystals in microstructure hollow fiber
Yundong Zhang, Hui Li, Hanyang Li, Yongfeng Wu, Changqiu Yu, Tuo Zhang, Ping Yuan
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Proceedings Volume 10025, Advanced Sensor Systems and Applications VII; 100250T (2016) https://doi.org/10.1117/12.2245282
Event: SPIE/COS Photonics Asia, 2016, Beijing, China
Abstract
In the present paper, we first demonstrate NaLuF4: Yb3+: Tm3+/Ho3+ rare earth nanocrystals in microstructure hollow fiber. An analysis of the intense blue upconversion emission at 450 and 475 nm in Tm3+/Yb3+ codoped NaLuF4 under excitation power 0.65W available from solid laser emitting at 980nm, has been undertaken. Fluorescence intensity ratio (FIR) variation of temperature-sensitive blue upconversion emission at 450and 475 nm in this material was recorded in the temperature range from 300 to 345 K. The maximum sensitivity derived from the FIR technique of the blue upconversion emission is approximately 0.005 K−1. The results imply that Tm3+/Yb3+ codoped NaLuF4 is a potential candidate for the optical temperature sensor.
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Yundong Zhang, Hui Li, Hanyang Li, Yongfeng Wu, Changqiu Yu, Tuo Zhang, and Ping Yuan "Optical properties of NaLuF4: Yb3+: Tm3+/Ho3+ rare earth nanocrystals in microstructure hollow fiber", Proc. SPIE 10025, Advanced Sensor Systems and Applications VII, 100250T (14 November 2016); https://doi.org/10.1117/12.2245282
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KEYWORDS
Thulium
Ytterbium
Nanocrystals
Upconversion
Holmium
Temperature metrology
Luminescence
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