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Proceedings Paper

Efficient laser operation of Yb:Lu3Al5O12 transparent ceramics fabricated from laser ablated nanopowders
Author(s): Liza Basyrova; Pavel Loiko; Roman Maksimov; Vladislav Shitov; Josep Maria Serres; Magdalena Aguiló; Francesc Díaz; Uwe Griebner; Valentin Petrov; Xavier Mateos
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Paper Abstract

Ytterbium-doped transparent ceramics based on cubic garnets are promising for thin-disk lasers. 3.6 at.% Yb:Lu3Al5O12 transparent ceramics were fabricated by a solid-state reaction at 1800 °C in vacuum using Yb:Lu2O3 and Al2O3 nanopowders produced by laser ablation and their spectroscopic properties were studied. The stimulated-emission crosssection is 2.46×10-20 cm2 at 1030.2 nm. The Stark splitting of the Yb3+ multiplets was also determined. A compact CW Yb:Lu3Al5O12 ceramic laser pumped by a fiber-coupled 968 nm InGaAs laser diode generated 5.65 W at ~1031 nm with a slope efficiency of 67.2%. Using quasi-CW pumping, the peak power reached 8.83 W.

Paper Details

Date Published: 21 February 2020
PDF: 7 pages
Proc. SPIE 11259, Solid State Lasers XXIX: Technology and Devices, 1125910 (21 February 2020); doi: 10.1117/12.2545880
Show Author Affiliations
Liza Basyrova, Univ. Rovira i Virgili (Spain)
ITMO Univ. (Russian Federation)
Pavel Loiko, ITMO Univ. (Russian Federation)
Roman Maksimov, Ural Federal Univ. (Russian Federation)
Institute of Electrophysics (Russian Federation)
Vladislav Shitov, Institute of Electrophysics (Russian Federation)
Josep Maria Serres, Univ. Rovira i Virgili (Spain)
Magdalena Aguiló, Univ. Rovira i Virgili (Spain)
Francesc Díaz, Univ. Rovira i Virgili (Spain)
Uwe Griebner, Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)
Valentin Petrov, Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)
Xavier Mateos, Univ. Rovira i Virgili (Spain)

Published in SPIE Proceedings Vol. 11259:
Solid State Lasers XXIX: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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