Dy3+ doped CaF2 crystals spectroscopy for the development of Mid-infrared lasers around 3 µm

Gurvan Brasse; Jean-Louis Doualan; Abdelmjid Benayad; Alain Braud; Patrice Camy

doi:10.1117/12.2314591

17 May 2018 Dy³⁺ doped CaF₂ crystals spectroscopy for the development of Mid-infrared lasers around 3 μm

Gurvan Brasse, Jean-Louis Doualan, Abdelmjid Benayad, Alain Braud, Patrice Camy

Proceedings Volume 10683, Fiber Lasers and Glass Photonics: Materials through Applications; 1068329 (2018) https://doi.org/10.1117/12.2314591
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

In this communication, we present a spectroscopic study of Dy³⁺ -doped and Tm³⁺ -Dy³⁺ codoped CaF₂ as promising candidates to develop solid-state laser sources around 3 μm. In view of the preliminary experimental results, we first demonstrate the advantage of Tm³⁺ ions as sensitizers to improve the excitation of Dy³⁺ ions in CaF₂ and then is highlighted a singular behavior of Dy³⁺ doped CaF₂ crystals that present a multisite character due to clustering of rare earth ions. The spectroscopic characteristics of each site is studied and discussed, as well as the potential of Tm³⁺ codoping for laser applications around 3μm.

Conference Presentation

Citation Download Citation

Gurvan Brasse, Jean-Louis Doualan, Abdelmjid Benayad, Alain Braud, and Patrice Camy "Dy³⁺ doped CaF₂ crystals spectroscopy for the development of Mid-infrared lasers around 3 μm", Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 1068329 (17 May 2018); https://doi.org/10.1117/12.2314591

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