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Infrared-to-visible frequency upconversion in Pr3+/Yb3+- and Er3+/Yb3+-codoped tellurite glasses

โœ Scribed by P.V dos Santos; M.V.D Vermelho; E.A Gouveia; M.T de Araujo; A.S Gouveia-Neto; F.C Cassanjes; S.J.L Ribeiro; Y Messaddeq


Book ID
117621059
Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
356 KB
Volume
344
Category
Article
ISSN
0925-8388

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The upconversion luminescence properties of Yb 3+ /Tm 3+ -codoped oxyfluoride tellurite glasses under 980 nm excitation are investigated experimentally. The intense blue and relatively weak red emissions centered at 475 and 649 nm corresponding to the transitions 1 G 4 โ†’ 3 H 6 and 1 G 4 โ†’ 3 H 4 of T