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18 August 2004 Sensitizing effects in Ag-Er codoped glasses for optical amplification
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A set of samples co-doped with Er and Ag were prepared with a combined sol-gel and ion-exchange route. This multistep process sytnthesizes samples in which the silver atoms are dispersed in the matrix and/or aggregated in Ag multimers or nanoclusters. The samples exhibit a different photo-luminescence response depending on the sensitizing effect due to silver atoms. The spectroscopic properties were correlated with the structural properties investigated by extended x-ray absorption fine structure (EXAFS) spectroscopy and x-ray diffraction. The Er3+ excitation via energy transfer, obtained in a wide range of wavelengths, has been clearly related to the presence in the sample of Ag multimers.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Paolo Mazzoldi, S. Padovani, F. Enrichi, G. Mattei, Cinzia Sada, E. Trave, Massimo Guglielmi, Alessandro Martucci, Giancarlo Battaglin, E. Cattaruzza, Francesco Gonella, and C. Maurizio "Sensitizing effects in Ag-Er codoped glasses for optical amplification", Proc. SPIE 5451, Integrated Optics and Photonic Integrated Circuits, (18 August 2004);

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