Polarization-dependent angular distribution of the absorption behavior in ytterbium-doped monoclinic LYB and LGB laser crystals

Wendwesen Gebremichael; Yannick Petit; Sophie Rouzet; Alexandre Fargues; Véronique Jubera; Alain Garcia; Philippe Veber; Matias Velazquez; Lionel Canioni; Inka Manek-Hönninger

doi:10.1117/1.OE.57.2.021203

12 September 2017 Polarization-dependent angular distribution of the absorption behavior in ytterbium-doped monoclinic LYB and LGB laser crystals

Wendwesen Gebremichael, Yannick Petit, Sophie Rouzet, Alexandre Fargues, Véronique Jubera, Alain Garcia, Philippe Veber, Matias Velazquez, Lionel Canioni, Inka Manek-Hönninger

Author Affiliations +

Optical Engineering, Vol. 57, Issue 2, 021203 (September 2017). https://doi.org/10.1117/1.OE.57.2.021203

Abstract

We detail the full characterization of the anisotropy of the absorption properties of two different Yb-doped monoclinic borate compounds under polarized light. The studied crystals are Li₆(Gd)_0.75Yb_0.25(BO₃)₃ and Li₆Y_0.75Yb_0.25(BO₃)₃, respectively, and were grown by the Czochralski method. We focused on the study of their absorption at the zero line transition as a function of the polarization direction of the incident light for two different crystal cuts of each compound. We discuss the different eigenframes that must be considered in these materials, due to their monoclinic character, as well as the optimum crystal orientation for the considered absorption and show the potential influences when used as laser materials.

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Wendwesen Gebremichael, Yannick Petit, Sophie Rouzet, Alexandre Fargues, Véronique Jubera, Alain Garcia, Philippe Veber, Matias Velazquez, Lionel Canioni, and Inka Manek-Hönninger "Polarization-dependent angular distribution of the absorption behavior in ytterbium-doped monoclinic LYB and LGB laser crystals," Optical Engineering 57(2), 021203 (12 September 2017). https://doi.org/10.1117/1.OE.57.2.021203

Received: 30 April 2017; Accepted: 27 July 2017; Published: 12 September 2017

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