Superquadratic behavior of upconversion luminescence transients in rare-earth-ion doped laser crystals


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Pollnau, M. and Laversenne, L. and Limberger, H.G. and Bigotta, S. and Toncelli, A. and Tonelli, M. (2004) Superquadratic behavior of upconversion luminescence transients in rare-earth-ion doped laser crystals. In: EPS-QEOD Europhoton Conference on Solid-State and Fiber Coherent Light Sources, 29 Aug - 3 Sep 2004, Lausanne, Switzerland (pp. TuD6).

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Abstract:Inhomogeneous active-ion distributions in laser materials lead to strong deviations of upconversion versus direct luminescence transients from the quadratic law of energy-transfer upconversion. Measured luminescence decay curves in LaSc3(BO3)4:Nd3+ and GdVO4:Nd3+ confirm experimentally the predicted deviations. Differences in energy migration within the metastable level of Nd3+ are identified.
Item Type:Conference or Workshop Item
Copyright:© 2004 European Physical Society
Link to this item:http://purl.utwente.nl/publications/70262
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