10 February 2017 Luminescent properties of germanium-based glasses and optical fiber co-doped with rare earth
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Proceedings Volume 10325, Optical Fibers and Their Applications 2017; 1032504 (2017) https://doi.org/10.1117/12.2269599
Event: 17th Conference on Optical Fibres and Their Applications, 2017, Supraśl, Poland, Poland
In the paper the analysis of white upconversion luminescence obtained as a result superposition of emission bands in germanate glass and double- clad optical fiber co-doped with Yb3+/Tm3+/Ho3+ and Yb3+/Er3+/Tm3+ have been presented. Calculated CIE coordinates for glass co-doped with 0.5Yb2O3/0.4Tm2O3 /0.1 Ho2O3 were x=0.311, y=0.337, Ppump=2.5W and for 0.5Yb2O3/0.25Tm2O3 /0.25Er2O3 co-doped were: x = 252, y = 502. Influence of pump power on the colour coordinates have been also investigated. Thus Yb3+/Tm3+/Ho3+ co-dopant system in germanate glass was used as a core of double-clad optical fiber. Comparative analyses showed differences in luminescence spectra shape of bulk glass and fabricated 0.5Yb2O3/0.4Tm2O3 /0.1Ho2O3 triply doped double – clad optical fiber. Due to partial reabsorption of blue part of amplified spontaneous emission signal propagating band in optical fiber is shifted by 4 nm towards shorter wavelengths. Moreover the I482nm/I545nm luminescence intensity ratio is much higher than in bulk glass.
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Marcin Kochanowicz, Marcin Kochanowicz, Jacek Żmojda, Jacek Żmojda, Piotr Miluski, Piotr Miluski, Tomasz Ragiń, Tomasz Ragiń, Piotr Jeleń, Piotr Jeleń, R. Jadach, R. Jadach, Maciej Sitarz, Maciej Sitarz, Dominik Dorosz, Dominik Dorosz, } "Luminescent properties of germanium-based glasses and optical fiber co-doped with rare earth", Proc. SPIE 10325, Optical Fibers and Their Applications 2017, 1032504 (10 February 2017); doi: 10.1117/12.2269599; https://doi.org/10.1117/12.2269599

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