Active materials for high-power fiber lasers prepared by all-solution doping technique

Stefan Kuhn; Friedrich Möller; Christian Hupel; Sigrun Hein; Franz Beier; Johannes Nold; Nicoletta Haarlammert; Thomas Schreiber; Ramona Eberhardt; Andreas Tünnermann

doi:10.1117/12.2287119

22 February 2018 Active materials for high-power fiber lasers prepared by all-solution doping technique

Stefan Kuhn, Friedrich Möller, Christian Hupel, Sigrun Hein, Franz Beier, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Ramona Eberhardt, Andreas Tünnermann

Author Affiliations +

Proceedings Volume 10528, Optical Components and Materials XV; 1052809 (2018) https://doi.org/10.1117/12.2287119
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

We present the fabrication and properties of active fiber laser materials fabricated by a newly developed solution doping technique. The contribution focusses on Aluminum, Phosphorus, Ytterbium as well as Boron doped SiO₂ for the use as fiber laser material. More specifically low doping concentration in the vicinity of the molar ratio of Al₂O₃:P₂O₅ = 1:1 will be elucidated. The effect of fabrication parameters on optical properties like refractive index, absorption and emission properties will be covered. Currently it is possible to achieve cw output powers greater than 4 kW using Al, P, Yb doped fibers fabricated with this method. Fibers additionally codoped with Boron are as well suitable for kW class applications as well.

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Stefan Kuhn, Friedrich Möller, Christian Hupel, Sigrun Hein, Franz Beier, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Ramona Eberhardt, and Andreas Tünnermann "Active materials for high-power fiber lasers prepared by all-solution doping technique", Proc. SPIE 10528, Optical Components and Materials XV, 1052809 (22 February 2018); https://doi.org/10.1117/12.2287119

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