title: A 22-watt mid-infrared optical parametric oscillator with V-shaped 3-mirror ring resonator.
abstract: We report on a ZnGeP(2)-based optical parametric oscillator (OPO) with 22 W of output power in the 3-5 µm range and a beam quality factor M(2) ≈1.4. The OPO uses a novel V-shaped 3-mirror ring resonator that allows two passes of the beams through the same nonlinear crystal. The pump is a 39 W hybrid Tm:fiber laser/Ho:YAG laser.
authors.affiliation: Norwegian Defence Research Establishment, FFI, Instituttveien 20, NO-2007 Kjeller, Norway. Espen.Lippert@ffi.no
authors.forename: Espen
authors.initials: E
authors.lastname: Lippert
authors.forename: Helge
authors.initials: H
authors.lastname: Fonnum
authors.forename: Gunnar
authors.initials: G
authors.lastname: Arisholm
authors.forename: Knut
authors.initials: K
authors.lastname: Stenersen
mesh_terms: D000669:Amplifiers, Electronic; D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis; D007259:Infrared Rays; D053844:Lasers, Solid-State; D007909:Lenses; D009991:Oscillometry / Q000295:instrumentation*; D014159:Transducers