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Infrared luminescence in Bi-doped Ge-S and As-Ge-S chalcogenide glasses and fibers by Plotnichenko, V. G.; Philippovskiy, D. V.; Sokolov, V. O.; Sukhanov, M. V.; Velmuzhov, A. P.; Churbanov, M. F.; Dianov, E. M. is a scholarly article available to read on EtoBox.

What is Infrared luminescence in Bi-doped Ge-S and As-Ge-S chalcogenide glasses and fibers about?

Experimental and theoretical studies of spectral properties of chalcogenide Ge-S and As-Ge-S glasses and fibers are performed. A broad infrared (IR) luminescence band which covers the 1.2-2.3~$\mu$m range with a lifetime about 6~$\mu$s is discovered. Similar luminescence is also present in optical fibers drawn from these glasses. Arsenic addition to Ge-S glass significantly enhances both its resistance to crystallization and the intensity of the luminescence. Computer modeling of Bi-related centers shows that interstitial Bi$^+$ ions adjacent to negatively charged S vacancies are most likely responsible for the IR luminescence.

Author

Plotnichenko, V. G.; Philippovskiy, D. V.; Sokolov, V. O.; Sukhanov, M. V.; Velmuzhov, A. P.; Churbanov, M. F.; Dianov, E. M.

Published

2014

Language

EN