Comparative analysis of luminescent properties of germanate glass and double-clad optical fibers co-doped with Yb3+/Ho3+ ions

Marcin Pietrzycki; Marcin Kochanowicz; Patryk Romańczuk; Jacek Żmojda; Piotr Miluski; Tomasz Ragiń; Piotr Jeleń; Maciej Sitarz; Dominik Dorosz

doi:10.1117/12.2248898

28 September 2016 Comparative analysis of luminescent properties of germanate glass and double-clad optical fibers co-doped with Yb³⁺/Ho³⁺ ions

Marcin Pietrzycki, Marcin Kochanowicz, Patryk Romańczuk, Jacek Żmojda, Piotr Miluski, Tomasz Ragiń, Piotr Jeleń, Maciej Sitarz, Dominik Dorosz

Author Affiliations +

Proceedings Volume 10031, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016; 1003109 (2016) https://doi.org/10.1117/12.2248898
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016, 2016, Wilga, Poland

Abstract

The 2 μm and visible emission of low phonon (805 cm^-1) germanate glasses and double – clad optical fiber co-doped with 0.7Yb₂O₃/(0.07-0.7)Ho₂O₃ ions have been investigated. Luminescence at 2 μm corresponding to Ho³⁺: ⁵I₇ → ⁵I₈ as well as upconversion luminescence in the visible spectral range corresponding to the Ho³⁺: ⁵S₂(⁵F₄)→⁵I₈ (545 nm), and Ho³⁺: ⁵F₅→⁵I₈ (655 nm) transition, respectively were obtained. The optimization of the acceptor content and donor-acceptor ratio were conducted with the purpose of maximizing the luminescence intensity. The highest luminescence intensity in both spectral range was obtained in glass co-doped with 0.7Yb₂O₃/0.15 Ho₂O₃. Despite relatively small effective absorption coefficient of the optical fiber comparative analysis of luminescent properties of fabricated glasses (further core) and double – clad optical fiber showed significant contribution of reabsorption process of emitted ASE signal.

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Marcin Pietrzycki, Marcin Kochanowicz, Patryk Romańczuk, Jacek Żmojda, Piotr Miluski, Tomasz Ragiń, Piotr Jeleń, Maciej Sitarz, and Dominik Dorosz "Comparative analysis of luminescent properties of germanate glass and double-clad optical fibers co-doped with Yb³⁺/Ho³⁺ ions", Proc. SPIE 10031, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016, 1003109 (28 September 2016); https://doi.org/10.1117/12.2248898

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