Relaxation dynamics of excited states of Er3+ in YVO4 single crystals

Stanislaw Golab; Grazyna Dominiak-Dzik; P. Solarz; Tadeusz Lukasiewicz; Marek Swirkowicz; I. Sokolska; Witold Ryba-Romanowski

doi:10.1117/12.435863

10 August 2001 Relaxation dynamics of excited states of Er³⁺in YVO₄ single crystals

Stanislaw Golab, Grazyna Dominiak-Dzik, P. Solarz, Tadeusz Lukasiewicz, Marek Swirkowicz, I. Sokolska, Witold Ryba-Romanowski

Author Affiliations +

Proceedings Volume 4412, International Conference on Solid State Crystals 2000: Growth, Characterization, and Applications of Single Crystals; (2001) https://doi.org/10.1117/12.435863
Event: International Conference on Solid State Crystals 2000, 2000, Zakopane, Poland

Abstract

Crystals of Er:YVO₄ were grown by Czochralski method. Uniformly doped and good quality crystals have been obtained. The lifetimes of the ⁴S_3/2, and the luminescence dynamics were studied as a function of temperature in the region 5-500K. The green luminescence around 550 nm has been observed in excitation by the Ti:sapphire laser into ⁴I_11/2 level. The excitation spectrum recorded for ⁴S_3/2 has been compared with absorption cross section spectrum and calculated ESA spectrum for ⁴I_11/2-⁴F_7/2 transition. The contribution of ESA process in upconversion phenomenon under excitation into ⁴I_11/2 has been assessed. The emission cross-section and the gain coefficient for ⁴I_13/2-⁴I_15/2 transition of Er³⁺ in YVO₄ have been calculated.

Citation Download Citation

Stanislaw Golab, Grazyna Dominiak-Dzik, P. Solarz, Tadeusz Lukasiewicz, Marek Swirkowicz, I. Sokolska, and Witold Ryba-Romanowski "Relaxation dynamics of excited states of Er³⁺in YVO₄ single crystals", Proc. SPIE 4412, International Conference on Solid State Crystals 2000: Growth, Characterization, and Applications of Single Crystals, (10 August 2001); https://doi.org/10.1117/12.435863

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