Transfer energii w szkłach tlenkowo-flourkowych na bazie SiO2 domieszkowanych jonami Nd3+ i Yb3+

• Autorzy: Żmojda J. , Dorosz D. , Kochanowicz J.

Warianty tytułu

EN

Nd3+/Yb3+ energy transfer in oxyfluoride silicate glass

• Języki publikacji: PL

Abstrakty

PL

W artykule przedstawiono mechanizm transferu energii w szkłach z układu (36-x-y) SiO2-14PbO-9PbF2-15B2O3-12Na2O-8AI2O3-5K2O-(x+y) RE domieszkowanych jonami Nd3+ i Yb3+. W wyniku dopasowania wartości przekrojów czynnych poziomów σoraz σabs(Yb) uzyskano szerokie widmo luminescencji (Δλ =100 nm) w pobliżu 1μm, będącego superpozycją przejść 4F3/2-4I11/2 (Nd3+) i 2F5/2-2F7/2 (Yb3+). Sprawność transferu energii miedzy Nd3+-Yb3+ obliczona przy użyciu modelu Dextera-Forstera wynosi 60%.

EN

In article the energy transfer between Nd3+ and Yb3+ ions in oxyfluoride silicate glass from the system (36-x-y) SiO2-14PbO-9PbF2-15B2O3-12Na2O-8ALO-5K2O-(x+y) RE was analyzed. In order to match energy transfer (Nd3+-> Yb3+), absorption cross-section of glass doped with various Yb3+ ions concentration and emission cross-section of glass doped with Nd3+ were calculated. The efficiency of energy transfer calculated according to the Dexter-Forster model for the glass doped with 0.15Nd3+: 0.75Yb3+ amounts to 60%. The emission spectrum with 100 nm bandwidth of the Nd3+/Yb3+ codoped glass samples under excitation at 808 nm was measured.

Słowa kluczowe

PL

transfer energii; szkła tlenkowo-fluorkowe; widmo luminescencji

EN

energy transfer; oxyfluoride silicate glass; luminescense spectra

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Elektronika : konstrukcje, technologie, zastosowania
• Rocznik: 2010
• Tom: Vol. 51, nr 4
• Strony: 109--111
• Opis fizyczny: Bibliogr. 16 poz., wykr.

Twórcy

autor

Żmojda J.

autor

Dorosz D.

autor

Kochanowicz J.

• Politechnika Białostocka, Katedra Promieniowania Optycznego

Bibliografia

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