Abstract
In rare-earth ion doped chalcogenide glass, the impacts of glass homogenization on optical properties were studied in this work. A series of Ge24Ga10Se65:Er1 glasses were fabricated by melt-quenching method under the same condition with different melting time. The structure of the obtained glasses was characterized, absorption and emission spectra were recorded, and lifetime of the 4 I13/2 state of Er3+ ions was measured as well. It is found that the melting time does not have obvious influence on glass structure, absorption and emission properties of erbium ions. A significant improvement on lifetime was noticed with the increase of melting time.
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