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Conferences > FiO > 2012 > FW3A > FW3A.18

Spectroscopic properties and heat generation of Yb3+/Ho3+ and Tm3+/Ho3+ co-doped low silica calcium aluminosilicate glasses for emission around 2 µm

G. S. N. Eliel, N. G. C. Astrath, P. T. Udo, L. C. Malarne, M. L. Baesso, T. Catunda, and C. Jacinto

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Abstract

Summary We have investigated the Yb3+/Ho3+ and Tm3+/Ho3+ co-doped low silica calcium aluminosilicate (LSCAS) glass looking for emission at ~2 µm. We used mainly the thermal lens technique, photoluminescence, and lifetime to study the energy transfer (ET) between the sensitizers (Yb3+ and Tm3+) and acceptor (Ho3+) ions and calculate the heat generation for both systems, always thinking in the optimization of the 2 µm emission. From our results, the choice of one of these systems to operation at this wavelength is strongly conditioned to the temperature control into the sample, because one of them generates very much heat than the other.

© 2012 Optical Society of America

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