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Titolo:
COMPOSITIONAL DEPENDENCE OF INFRARED-TO-VISIBLE UP-CONVERSION IN YB3-CODOPED AND ER3+-CODOPED GERMANATE, GALLATE, AND TELLURITE CLASSES()
Autore:
MURATA T; TAKEBE H; MORINAGA K;
Indirizzi:
KYUSHU UNIV,GRAD SCH ENGN SCI,DEPT MAT SCI & TECHNOL FUKUOKA 816 JAPAN
Titolo Testata:
Journal of the American Ceramic Society
fascicolo: 1, volume: 81, anno: 1998,
pagine: 249 - 251
SICI:
0002-7820(1998)81:1<249:CDOIUI>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
OXIDE GLASSES; ER-3+; IONS; CONVERSION; ER3+;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
12
Recensione:
Indirizzi per estratti:
Citazione:
T. Murata et al., "COMPOSITIONAL DEPENDENCE OF INFRARED-TO-VISIBLE UP-CONVERSION IN YB3-CODOPED AND ER3+-CODOPED GERMANATE, GALLATE, AND TELLURITE CLASSES()", Journal of the American Ceramic Society, 81(1), 1998, pp. 249-251

Abstract

Upconversion fluorescences of the green S-4(3/2) --> I-4(15/2) and red F-4(9/2) --> I-4(15/2) transitions of the Er3+ ion are studied for Yb3+ - and Er3+-codoped sodium germanate, potassium tantalum gallate, and barium tellurite glasses by InGaAs laser-diode pumping. The phonon energies of the host glasses are determined by infrared-reflection measurements. Compositional effects on the Jud-Ofelt parameters for the Er3+ ion, the spontaneous emission probability (SPE) of the F-2(5/2) --> F-2(7/2) transition for the Yb3+ ion, and the phonon energy of the glass network are discussed in terms of glass structure. The factors that affect the upconversion fluorescence intensities of the Er3+ ion are discussed, using the phonon energy of the host glass and the SPE forthe Yb3+ ion in the germanate, gallate, and tellurite glasses.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/06/18 alle ore 17:10:01