Nd3+ sensitized upconversion luminescence of Nd3+/Pr3+ codoped KPb2Cl5 low phonon crystal

R. Balda; M. Al-Saleh; M. A. Arriandiaga; S. Garcia-Revilla; J. Fernández

doi:10.1117/12.873856

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23 February 2011 Nd³⁺ sensitized upconversion luminescence of Nd³⁺/Pr³⁺ codoped KPb₂Cl₅ low phonon crystal

R. Balda, M. Al-Saleh, M. A. Arriandiaga, S. Garcia-Revilla, J. Fernández

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Proceedings Volume 7934, Optical Components and Materials VIII; 793408 (2011) https://doi.org/10.1117/12.873856
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

In this work, we report the upconversion emission from Pr³⁺ and Nd³⁺ ions in potassium lead chloride crystal KPb₂Cl₅after excitation in the ⁴F_5/2,3/2 levels of Nd³⁺ ions. We have observed violet, blue, green, orange, and red emissions at room temperature. Blue emission from Pr³⁺ ions is induced by near infrared laser excitation of Nd³⁺ through energy transfer from Nd³⁺ to Pr³⁺ ions. The mechanisms leading to the visible emissions have been investigated by studying the dependence of the upconversion luminescence on the excitation wavelength and intensity of the IR pump light.

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R. Balda, M. Al-Saleh, M. A. Arriandiaga, S. Garcia-Revilla, and J. Fernández "Nd³⁺ sensitized upconversion luminescence of Nd³⁺/Pr³⁺ codoped KPb₂Cl₅ low phonon crystal", Proc. SPIE 7934, Optical Components and Materials VIII, 793408 (23 February 2011); https://doi.org/10.1117/12.873856

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