Helical core optical fibre made of Nd3+/Yb3+-doped oxyfluoride silicate glass

D. Dorosz; M. Kochanowicz; J. Zmojda; J. Dorosz

doi:10.1117/12.854766

17 May 2010 Helical core optical fibre made of Nd³⁺/Yb³⁺-doped oxyfluoride silicate glass

D. Dorosz, M. Kochanowicz, J. Zmojda, J. Dorosz

Proceedings Volume 7721, Solid State Lasers and Amplifiers IV, and High-Power Lasers; 77211B (2010) https://doi.org/10.1117/12.854766
Event: SPIE Photonics Europe, 2010, Brussels, Belgium

Abstract

The properties of helical-core optical fibre made by authors from Nd³⁺/Yb³⁺-doped oxyfluoride silicate glass are presented. The construction and forming conditions of the helical-core optical fibre enabled to obtain the helix pitch from several mm and the off-set ranging from 10 μm to 200 μm. The paper also presents optimisation of Nd³⁺/Yb³⁺ ratio to enhance the emission bandwidth at 1 μm. In consequence of matching the values of the emission cross-section σ_em(Nd)and the absorption cross-section σ_abs(Yb) in the glass doped with 0.15Nd³⁺:0.45Yb³⁺ a broad (Δλ = 100nm) luminescence band in the vicinity of 1μm was obtained, which was the result of overlapping emission transitions: ²F_5/2→²F_7/2 in ytterbium and ⁴F_3/2→⁴I_11/2 in neodymium.

Citation Download Citation

D. Dorosz, M. Kochanowicz, J. Zmojda, and J. Dorosz "Helical core optical fibre made of Nd³⁺/Yb³⁺-doped oxyfluoride silicate glass", Proc. SPIE 7721, Solid State Lasers and Amplifiers IV, and High-Power Lasers, 77211B (17 May 2010); https://doi.org/10.1117/12.854766

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