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This study demonstrates manipulation of luminance from CaF2: Yb3+, Er3+ up-conversion (UC) micronano particles emissions and the fluorescence intensity improvement by using various surface plasmon resonance substrates which consist of SiO2, gold thin film, and nano cones from bottom to the top in the view of side structure. When they are applied, the optimum enhancement of the intensity of red up-conversion luminescence (UCL) peaked at 653 nm shows up to 189-fold. The distance dependent intensities of two UC micro-nano particles manipulated by holographic optical tweezers (HOT) are also illustrated in this article. The fluorescence intensities decrease when two UC micro-nano particles become near to the each other due to the inter-system transition at the much short distance.
Chenyu Cui,Kai Han,Hao Liu,Minsun Chen,Wenda Cui,Changqing Song, andGuomin Zhao
"Hundredfold surface plasmon enhancement of fluorescence from up-conversion micro-nano particles emissions", Proc. SPIE 11617, International Conference on Optoelectronic and Microelectronic Technology and Application, 116170D (4 December 2020); https://doi.org/10.1117/12.2584487
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Chenyu Cui, Kai Han, Hao Liu, Minsun Chen, Wenda Cui, Changqing Song, Guomin Zhao, "Hundredfold surface plasmon enhancement of fluorescence from up-conversion micro-nano particles emissions," Proc. SPIE 11617, International Conference on Optoelectronic and Microelectronic Technology and Application, 116170D (4 December 2020); https://doi.org/10.1117/12.2584487