The role of Nd3+ in the population inversion between 1G4 and 3H6 states of Tm3+ in Yb:Nd:Tm:YLF crystal

Autores

  • André Felipe Henriques Librantz Uninove, SP
  • Lilia Coronato Courrol
  • Laércio Gomes
  • Sonia Lícia Baldochi
  • Izilda Marcia Ranieri

DOI:

https://doi.org/10.5585/exacta.v5i1.1035

Palavras-chave:

Tm3 blue emission upconversion. Numerical simulation.

Resumo

In this paper, we present the energy transfer rates of YLF:Yb:Tm:Nd system, identifying the most important processes that lead to the thulium blue upconversion emission under excitation around 792 nm. The calculation of the rate equations system based on numerical method using Runge-Kutta method was employed for analyzing the population inversion between 1G4 and 3H4 states of Tm3+. Population inversion was achieved only in Yb:Nd:Tm doped YLF crystal, which exhibits a pumping rate threshold of 620 s-1. The Nd3+ absorption near 792 nm is very important because the excitation is rapidly transferred to Yb3+, that also interacts with Tm3+.

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Biografia do Autor

André Felipe Henriques Librantz, Uninove, SP

Pós-Doutorado pela Universidade de São Paulo, USP, Brasil; Doutor em Tecnologia Nuclear pela Universidade de São Paulo, USP; Mestre em Tecnologia Nuclear pela Universidade de São Paulo, USP. Professor pesquisador do Departamento de Ciências Exatas da UNINOVE.

Lilia Coronato Courrol

Professora pesquisadora – Unifesp.

Laércio Gomes

Pesquisador – Ipen-USP.

Sonia Lícia Baldochi

Pesquisador – Ipen-USP.

Izilda Marcia Ranieri

Pesquisador – Ipen-USP.

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Publicado

30.06.2007

Como Citar

Librantz, A. F. H., Courrol, L. C., Gomes, L., Baldochi, S. L., & Ranieri, I. M. (2007). The role of Nd3+ in the population inversion between 1G4 and 3H6 states of Tm3+ in Yb:Nd:Tm:YLF crystal. Exacta, 5(1), 113–118. https://doi.org/10.5585/exacta.v5i1.1035

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