Study of optical centers with near-infrared emission in germanate glasses doped with 6p (Bi, Pb) and 5p (Sn, Sb) ions

Mikhail Sharonov; A. Bykov; R. R. Alfano

doi:10.1117/12.808000

27 February 2009 Study of optical centers with near-infrared emission in germanate glasses doped with 6p (Bi, Pb) and 5p (Sn, Sb) ions

Mikhail Sharonov, A. Bykov, R. R. Alfano

Author Affiliations +

Proceedings Volume 7193, Solid State Lasers XVIII: Technology and Devices; 71932F (2009) https://doi.org/10.1117/12.808000
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

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.

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Mikhail Sharonov, A. Bykov, and R. R. Alfano "Study of optical centers with near-infrared emission in germanate glasses doped with 6p (Bi, Pb) and 5p (Sn, Sb) ions", Proc. SPIE 7193, Solid State Lasers XVIII: Technology and Devices, 71932F (27 February 2009); https://doi.org/10.1117/12.808000

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