title: Diode-end-pumped 1.2 W Yb:Y₂O₃ planar waveguide laser.
abstract: Fabrication, characterization and laser performance of a Watt-level ytterbium-doped yttria waveguide laser is presented. The waveguide was grown onto a YAG substrate by pulsed laser deposition and features a 6 µm thick ytterbium-doped yttria layer sandwiched between two 3 µm undoped yttria layers. The laser deposited film was characterized by X-ray diffraction, showing a high degree of crystallinity and analyzed spectroscopically, showing performance indistinguishable from previously reported bulk material. When pumped with 8.5 W from a broad area diode laser the waveguide laser produces 1.2 W of output at 1030 nm.
authors.forename: Stephen J
authors.initials: SJ
authors.lastname: Beecher
authors.forename: Tina L
authors.initials: TL
authors.lastname: Parsonage
authors.forename: Jacob I
authors.initials: JI
authors.lastname: Mackenzie
authors.forename: Katherine A
authors.initials: KA
authors.lastname: Sloyan
authors.forename: James A
authors.initials: JA
authors.lastname: Grant-Jacob
authors.forename: Robert W
authors.initials: RW
authors.lastname: Eason