Concentration effects in erbium doped tellurite glass

Concentration effects in erbium doped tellurite glass

We spectroscopically investigate heavily erbium doped sodium-zinc-tellurite glass as a possible fibre laser medium. Excited state lifetimes are derived using Judd-Ofelt theory and are compared with measurements. These lifetimes are found to be strongly dependent on erbium ion concentration, probably...

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Hauptverfasser: Grew, R.S., Ebendorff-Heidepriem, H., Veitch, P.J., Monro, T.M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Energy exchange
Erbium
Erbium-doped fiber lasers
Glass
Laser excitation
Laser theory
Optical fibers
Phonons
Photonic crystal fibers
Silicon compounds
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Zusammenfassung:We spectroscopically investigate heavily erbium doped sodium-zinc-tellurite glass as a possible fibre laser medium. Excited state lifetimes are derived using Judd-Ofelt theory and are compared with measurements. These lifetimes are found to be strongly dependent on erbium ion concentration, probably due to upconversion processes. Tellurite glass is thus a good candidate for upconversion lasing.
ISSN:1097-2137
2377-5505
DOI:10.1109/COMMAD.2006.4429914