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4 April 2005 Spectroscopic properties of Er3+-activated Ag-exchanged silicate and phosphate glasses
Shivakiran Narasimha Bantwal Bhaktha, Roberto Calzolai, Andrea Chiappini, Alessandro Chiasera, Maurizio Ferrari, Yoann Jestin, Maurizio Mattarelli, Maurizio Montagna, Enrico Moser, Gualtiero Nunzi Conti, Stefano Pelli, Herve Portales, Desai Narayana Rao, Giancarlo C. Righini, Cristiana Tosello, Krishna Chaitanya Vishunubhatla, Jie Zheng
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Proceedings Volume 5723, Optical Components and Materials II; (2005) https://doi.org/10.1117/12.590344
Event: Integrated Optoelectronic Devices 2005, 2005, San Jose, California, United States
Abstract
Spectroscopic properties of Ag/Er co-doped thin plates of silicate and phosphate glass were investigated with the aim of assessing the effective role of silver as a sensitizer for erbium. Additive heat treatments in air at different temperatures were performed on both a silver-exchanged and a silver-free plate in order to promote the formation of silver nanoparticles in the former and to refer to the later in the spectroscopic characterization. Absorption as well as photoluminescence measurements in the region of the 4I13/2 -> 4I15/2 transition of the Er3+ ion were performed; excitation wavelengths in the range from 360 to 750 nm were used. For the silicate glasses enhancement of the Er3+ luminescence at 1.53 mm was observed when the excitation wavelength was in the blue region. This spectral range typically coincides with the excitation energy of the surface plasmon resonance of nanometer-sized spherical silver particles.
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Shivakiran Narasimha Bantwal Bhaktha, Roberto Calzolai, Andrea Chiappini, Alessandro Chiasera, Maurizio Ferrari, Yoann Jestin, Maurizio Mattarelli, Maurizio Montagna, Enrico Moser, Gualtiero Nunzi Conti, Stefano Pelli, Herve Portales, Desai Narayana Rao, Giancarlo C. Righini, Cristiana Tosello, Krishna Chaitanya Vishunubhatla, and Jie Zheng "Spectroscopic properties of Er3+-activated Ag-exchanged silicate and phosphate glasses", Proc. SPIE 5723, Optical Components and Materials II, (4 April 2005); https://doi.org/10.1117/12.590344
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KEYWORDS
Erbium
Glasses
Silver
Absorption
Nanoparticles
Annealing
Ions
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