Upconversion processes and laser action in K5Nd(MoO4)4 stoichiometric crystal

Joaquin R. Fernandez; Rolindes Balda; Ignacio Iparraguirre; Mikel Sanz; M. Voda; M. Al-Saleh; Guillermo Lobera

doi:10.1117/12.424787

27 April 2001 Upconversion processes and laser action in K₅Nd(MoO₄)₄ stoichiometric crystal

Joaquin R. Fernandez, Rolindes Balda, Ignacio Iparraguirre, Mikel Sanz, M. Voda, M. Al-Saleh, Guillermo Lobera

Proceedings Volume 4282, Rare-Earth-Doped Materials and Devices V; (2001) https://doi.org/10.1117/12.424787
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

Abstract

In this work we report the upconversion processes that produce blue, green, orange, and red emission in K₅Nd(MoO₄)₄ stiochiometric crystal together with the dynamics and spectral properties of the laser emission. It was found that upconversion energy transfer processes reduce the energy storage capacity through the reduction of the fluorescence lifetimes of the metastable ⁴F_3/2 level. The experiments were conducted in such a way that the dynamics of the IR and visible fluorescence was performed under lasing and nonlasing conditions. The dynamics of the unconverted emission shows that both upconversion energy transfer and excited state absorption of the laser emission occur.

Citation Download Citation

Joaquin R. Fernandez, Rolindes Balda, Ignacio Iparraguirre, Mikel Sanz, M. Voda, M. Al-Saleh, and Guillermo Lobera "Upconversion processes and laser action in K₅Nd(MoO₄)₄ stoichiometric crystal", Proc. SPIE 4282, Rare-Earth-Doped Materials and Devices V, (27 April 2001); https://doi.org/10.1117/12.424787

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