Upconversion Luminescence in Yb^{3+}/Tm^{3+} Doped Double Clad Optical Fibre

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

Abstracts

EN

The paper presents luminescence properties of telluride glass doped with Yb^{3+}/Tm^{3+} ions. Strong blue emission at 477 nm corresponding to the transition ^1 G_4 → ^3 H_6 in thulium ions was measured under the excitation of a 976 nm diode laser. The dependence of the upconversion emission upon the thulium ions concentration was studied in order to determine the optimal ion content. The results showed that intensity of upconversion emission enhances, with the increase of Tm^{3+} content up to 0.1 mol.%. The most effective energy transfer Yb^{3+} → Tm^{3+} occurs in the glassy matrix with molar ratio of dopant 1 Yb^{3+} : 0.1 Tm^{3+}. Double-clad optical fibre was made of glass with the highest upconversion intensity at the wavelength of λ = 477 nm (TGPF101). As a result of optical excitation (λ = 976 nm) of the produced optical fibre, an additional emission line, which was not noticed in the glass, was observed at the wavelength of 351 nm corresponding to the ^1 D_2 → ^3 H_6 transition.

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

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2011
• Volume: 120
• Issue: 4
• Pages: 776-781

Dates

published

2011-10

Contributors

author

J. Zmojda

• Department of Optoelectronics and Lighting Technology, Białystok University of Technology, Wiejska 45, 15-351 Białystok, Poland

author

D. Dorosz

• Department of Optoelectronics and Lighting Technology, Białystok University of Technology, Wiejska 45, 15-351 Białystok, Poland

author

M. Kochanowicz

• Department of Optoelectronics and Lighting Technology, Białystok University of Technology, Wiejska 45, 15-351 Białystok, Poland

author

J. Dorosz

• Department of Optoelectronics and Lighting Technology, Białystok University of Technology, Wiejska 45, 15-351 Białystok, Poland

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Identifiers

DOI

10.12693/APhysPolA.120.776