Nd^{3+}/Yb^{3+} Doped Phosphate and Antimony Glasses for Optical Fibre Source

• Authors: D. Dorosz , J. Żmojda , M. Kochanowicz , J. Dorosz
• Languages of publication: EN

Abstracts

EN

In the article there are presented two different series of glass: fluorophosphate with molar composition: 65P_2O_5-8Al_2O_3-2BaO-5BaF_2-6ZnF_2-5Na_2O-6MgF_2-3B_2O_3 and antimony glasses 40Sb_2O_3-3Al_2O_3-57SiO_2 doped with Nd^{3+} and Yb^{3+} ions. Dopant contents influence efficient spatial overlapping of emission level for neodymium and absorption level for ytterbium was analyzed. While exciting the produced glasses with a laser diode (λ = 808 nm) a broad luminescence spectrum (Δλ = 100 nm) has been obtained in both cases in the vicinity of 1 μm, being the superposition of the following transitions: ^4F_{3/2} → {^4I_{11/2}} for Nd^{3+} and ^2F_{5/2} → {^2F_{7/2}} for Yb^{3+}. Based on the luminescence measurements the probability of non-radiative energy transfer was described. Because of a small difference in energy ( ≈1190 cm^{-1}) between the laser levels of neodymium and ytterbium the resonant process of energy transfer has been obtained.

Keywords

EN

42.81.-i; 42.79.Ag; 33.20.Kf; 42.25.Bs

Discipline

• 42.25.Bs: Wave propagation, transmission and absorption[see also 41.20.Jb—in electromagnetism; for propagation in atmosphere, see 42.68.Ay; see also 52.40.Db Electromagnetic (nonlaser) radiation interactions with plasma and 52.38-r Laser-plasma interactions—in plasma physics]
• 33.20.Kf: Visible spectra
• 42.81.-i: Fiber optics
• 42.79.Ag: Apertures, collimators

• Journal: Acta Physica Polonica A
• Year: 2010
• Volume: 118
• Issue: 6
• Pages: 1108-1112

Dates

published

2010-12

Contributors

author

D. Dorosz

• Białystok University of Technology, Wiejska 45D, 15-351 Białystok, Poland

author

J. Żmojda

• Białystok University of Technology, Wiejska 45D, 15-351 Białystok, Poland

author

M. Kochanowicz

• Białystok University of Technology, Wiejska 45D, 15-351 Białystok, Poland

author

J. Dorosz

• Białystok University of Technology, Wiejska 45D, 15-351 Białystok, Poland

References

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Identifiers

DOI

10.12693/APhysPolA.118.1108