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1 September 1996 Observation of green upconversion fluorescence from Ho+3 ions assisted by energy transfer and excited state absorption in a Tm+3-Ho+3 codoped silica fiber
Kyunghwan Oh
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Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 2778C9 (1996) https://doi.org/10.1117/12.2316130
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of
Abstract
The visible upconversion fluorescence centered at 548 nm, the 5F4,5S2→5I8 transition of Ho+3 was observed when a Tm/Ho co-doped silica fiber was pumped around the absorption band of 3F4 manifold of Tm+3. Excitation spectra were measured in the range of 730-860 nm. The infrared fluorescence around 2.03 μm, 5I7→5I8 transition of Ho+3 was also measured to understand the role of energy transfer.
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Kyunghwan Oh "Observation of green upconversion fluorescence from Ho+3 ions assisted by energy transfer and excited state absorption in a Tm+3-Ho+3 codoped silica fiber", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 2778C9 (1 September 1996); https://doi.org/10.1117/12.2316130
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KEYWORDS
Holmium
Ions
Absorption
Thulium
Upconversion
Luminescence
Energy transfer
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