title: Efficient laser operation of an Yb:S-FAP crystal at 985 nm.
abstract: We have obtained three-level cw laser operation at 985 nm with a Yb-doped S-FAP bulk crystal pumped by a Ti:sapphire laser. An output power of 250 mW for an incident pump power of 1.45 W has been achieved, which is the highest cw output power ever obtained, to our knowledge, at this wavelength with a Yb-doped crystal. The experimental results are in good agreement with the numerical model that we have developed.
authors.affiliation: Laboratoire Charles Fabry de l'Institut d'Optique, Unité Mixte de Recherche 8501 du Centre National de la Recheche Scientifique, Centre Universitaire Paris XI, Bâtiment 503, 91403 Orsay, France. sylvie.yiou@iota.u-psud.fr
authors.forename: Sylvie
authors.initials: S
authors.lastname: Yiou
authors.forename: François
authors.initials: F
authors.lastname: Balembois
authors.forename: Kathleen
authors.initials: K
authors.lastname: Schaffers
authors.forename: Patrick
authors.initials: P
authors.lastname: Georges