title: 30  W fluoride glass all-fiber laser at 2.94  μm.
abstract: We report the demonstration of a 2938 nm erbium-doped fluoride glass fiber laser delivering a record output power of 30.5 W in continuous wave operation. The passively cooled all-fiber laser cavity based on intracore fiber Bragg gratings has an overall laser efficiency of 16% as a function of the launched pump power at 980 nm and a single-mode output beam quality of M2<1.2. This power scaling demonstration of a fiber laser operating near the vibrational resonance of water is likely to have a significant impact on several biomedical applications.
authors.forename: Vincent
authors.initials: V
authors.lastname: Fortin
authors.forename: Martin
authors.initials: M
authors.lastname: Bernier
authors.forename: Souleymane T
authors.initials: ST
authors.lastname: Bah
authors.forename: Réal
authors.initials: R
authors.lastname: Vallée