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23 February 2011 Nd3+ sensitized upconversion luminescence of Nd3+/Pr3+ codoped KPb2Cl5 low phonon crystal
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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 4F5/2,3/2 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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