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Título

Optically active Er–Yb doped glass films prepared by pulsed laser deposition

AutorSerna, Rosalía ; Ballesteros, J. M.; Jiménez de Castro, Miguel ; Solís Céspedes, Javier ; Afonso, Carmen N.
Fecha de publicación15-ago-1998
EditorAmerican Institute of Physics
CitaciónJournal of Applied Physics 84(4): 2352 (1998)
ResumenActive rare-earth Er3 + –Yb3 + co-doped phosphate glass films are produced in a single step by pulsed laser deposition. The films are multimode waveguides and exhibit the highest refractive index, optical density and 1.54 µm photoluminescence intensity and lifetime when deposited at low oxygen pressure (Pox4 (menor o igual) 10–5 Torr). The density of the films obtained under these conditions is higher than that of the target material as a consequence of the high kinetic energy of the species generated during ablation. Luminescent emission can be excited by optical pumping the Er3 + ions either directly or through cross-relaxation of the Yb3 + . Post-deposition annealing allows us to improve the luminescence performance.
Descripción3 pages, 2 figures.
Versión del editorhttp://dx.doi.org/10.1063/1.368304
URIhttp://hdl.handle.net/10261/21044
DOI10.1063/1.368304
ISSN0021-8979
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