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Spatial and temporal observation of energy transfer processes in Pr-doped phosphate glasses
Affiliation:1. Instituto de Física, Universidade Federal de Uberlândia. CP 593, 38400-902 Uberlândia, MG, Brazil;2. Universidade de São Paulo-USP, Av. Trabalhador São Carlense, CEP13560-970 São Carlos, SP, Brazil;3. CIMAP – UMR 6252 CEA-CNRS-ENSICAEN-Université de Caen, 6 boulevard du Maréchal Juin, 14050 CAEN Cedex 4, France;1. Key Laboratory of Interface Science and Engineering in Advanced Materials, Taiyuan University of Technology, Ministry of Education, Taiyuan 030024, Shanxi, PR China;2. Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, Taiyuan 030024, Shanxi, PR China;3. College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, PR China;4. College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, PR China;1. Institute of Physics, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland;2. Belarusian State University of Informatics and Radioelectronics, P. Browki Str. 6, 220013 Minsk, Belarus;1. School of Materials Science and Engineering, Shanghai University, No. 99 Shangda Road, Baoshan District, Shanghai 200444, China;2. Instrumental Analysis and Research Center, Shanghai University, China;1. Nankai University School of Medicine, Nankai University, 94 Weijin Road, Tianjin 300071, PR China;2. State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, PR China
Abstract:A spatially resolved microluminescence technique was used to measure the spatial distribution of emitted light and photon propagation into two different Pr3+ doped phosphate glasses. The photon diffusion length for specific wavelengths was measured. It was found that excited state re-absorption plays a crucial role in the propagation. Our results suggest that this microluminescence technique can be applied in the investigation of energy transfer processes in rare-earth doped systems.
Keywords:Phosphate glass  Microluminescence  Energy transfer  Praseodymium ion
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