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Proceedings Paper

Study of optical centers with near-infrared emission in germanate glasses doped with 6p (Bi, Pb) and 5p (Sn, Sb) ions
Author(s): Mikhail Sharonov; A. Bykov; R. R. Alfano
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Paper Abstract

It was shown that broadband near infrared fluorescence in recently discovered in Bi-doped glasses is not specific to Biions. Germanate glasses doped with different 6p (Bi, Pb) and 5p (Sn, Sb) ions (co-doped with Al) exhibit similar behavior. The centers can be characterized by 4 peaks in the excitation-emission plots. The decay of fluorescence (excited with short laser pulse at 800 nm and 532 nm) has complex behavior. The components of the decay are in the nsto ms- range and they have different temperature dependences. To our opinion, existing models of optical center suggested earlier should be revised to agree with new data.

Paper Details

Date Published: 28 February 2009
PDF: 7 pages
Proc. SPIE 7193, Solid State Lasers XVIII: Technology and Devices, 71932F (28 February 2009); doi: 10.1117/12.808000
Show Author Affiliations
Mikhail Sharonov, The City College of New York (United States)
A. Bykov, The City College of New York (United States)
R. R. Alfano, The City College of New York (United States)


Published in SPIE Proceedings Vol. 7193:
Solid State Lasers XVIII: Technology and Devices
W. Andrew Clarkson; Norman Hodgson; Ramesh K. Shori, Editor(s)

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