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Proceedings Paper

Upconversion processes and laser action in K5Nd(MoO4)4 stoichiometric crystal
Author(s): Joaquin R. Fernandez; Rolindes Balda; Ignacio Iparraguirre; Mikel Sanz; M. Voda; M. Al-Saleh; Guillermo Lobera
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Paper 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 4F3/2 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.

Paper Details

Date Published: 27 April 2001
PDF: 8 pages
Proc. SPIE 4282, Rare-Earth-Doped Materials and Devices V, (27 April 2001); doi: 10.1117/12.424787
Show Author Affiliations
Joaquin R. Fernandez, Univ. del Pais Vasco (Spain)
Rolindes Balda, Univ. del Pais Vasco (Spain)
Ignacio Iparraguirre, Univ. del Pais Vasco (Spain)
Mikel Sanz, Univ. del Pais Vasco (Spain)
M. Voda, Univ. del Pais Vasco (Spain)
M. Al-Saleh, Univ. del Pais Vasco (Spain)
Guillermo Lobera, Univ. del Pais Vasco (Spain)

Published in SPIE Proceedings Vol. 4282:
Rare-Earth-Doped Materials and Devices V
Shibin Jiang, Editor(s)

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