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Proceedings Paper

Spectroscopic properties of Er3+-activated Ag-exchanged silicate and phosphate glasses
Author(s): 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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Paper 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.

Paper Details

Date Published: 4 April 2005
PDF: 8 pages
Proc. SPIE 5723, Optical Components and Materials II, (4 April 2005); doi: 10.1117/12.590344
Show Author Affiliations
Shivakiran Narasimha Bantwal Bhaktha, INFM, Univ. di Trento (Italy)
Univ. of Hyderabad (India)
Roberto Calzolai, IFAC, CNR (Italy)
Andrea Chiappini, INFM, Univ. di Trento (Italy)
Alessandro Chiasera, IFN, CNR (Italy)
Maurizio Ferrari, IFN, CNR (Italy)
Yoann Jestin, IFN, CNR (Italy)
Maurizio Mattarelli, INFM, Univ. di Trento (Italy)
Maurizio Montagna, INFM, Univ. di Trento (Italy)
Enrico Moser, INFM, Univ. di Trento (Italy)
Gualtiero Nunzi Conti, IFAC, CNR (Italy)
Stefano Pelli, IFAC, CNR (Italy)
Herve Portales, INFM, Univ. di Trento (Italy)
Desai Narayana Rao, Univ. of Hyderabad (India)
Giancarlo C. Righini, IFAC, CNR (Italy)
Cristiana Tosello, INFM, Univ. di Trento (Italy)
Krishna Chaitanya Vishunubhatla, INFM, Univ. di Trento (Italy)
Univ. of Hyderabad (India)
Jie Zheng, Jilin Univ. (China)

Published in SPIE Proceedings Vol. 5723:
Optical Components and Materials II
Shibin Jiang; Michel J.F. Digonnet, Editor(s)

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