Self-absorption and radiation trapping in Er3+-doped TeO2-based glasses (Articolo in rivista)

Type
Label
  • Self-absorption and radiation trapping in Er3+-doped TeO2-based glasses (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1209/epl/i2005-10092-4 (literal)
Alternative label
  • M. Mattarelli; M. Montagna; A. Chiasera; M. Ferrari; L. Zampedri; G.C. Righini; L.M. Fortes; M.C. Gonçalves; L. F. Santos; R.M. Almeida (2005)
    Self-absorption and radiation trapping in Er3+-doped TeO2-based glasses
    in Europhysics letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Mattarelli; M. Montagna; A. Chiasera; M. Ferrari; L. Zampedri; G.C. Righini; L.M. Fortes; M.C. Gonçalves; L. F. Santos; R.M. Almeida (literal)
Pagina inizio
  • 394 (literal)
Pagina fine
  • 399 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 71 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • M. Mattarelli 1, M. Montagna 1, L. Zampedri 1, A. Chiasera 2, M. Ferrari 2, G. C. Righini 3, L. M. Fortes 4, M. C. Goncalves 4, L. F. Santos 4, R. M. Almeida 4 1 Dipartimento di Fisica, Universit`a di Trento, GCSMFO Via Sommarive 14, I-38050 Povo, Trento, Italy 2 IFN-CNR, Istituto di Fotonica e Nanotecnologie, GCSMFO Via Sommarive 14, I-38050 Povo, Trento, Italy 3 IFAC-CNR, Istituto di Fisica Applicata \"Nello Carrara\" Via Panciatichi 64, I-50127 Firenze, Italy 4 Departamento de Engenharia de Materiais, Instituto Superior Tecnico A. Rovisco Pais, 1049-001 Lisboa, Portugal (literal)
Titolo
  • Self-absorption and radiation trapping in Er3+-doped TeO2-based glasses (literal)
Abstract
  • The 1 .5µm fluorescence shape and lifetime of Er3+-activated tellurite glasses have been investigated. The measures on bulk system have been compared with those obtained on powders, showing that the self-absorption effect broadens the emission spectrum and lengthens the lifetime. It has been demonstrated that the bandwidth and lifetime measurements depend on the absorption coefficient á(ë) and on the distance d between the focused exciting laser beam and the exit face of a bulk glass sample. The actual emission spectrum has been reconstructed from the á(ë)·d knowledge. Lifetime lengthening cannot be determined from á(ë)·d and, to obtain actual lifetime for highly Er3+-doped glasses, measurements on powders are required. (literal)
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