title: Modelling and optimization of continuous-wave external cavity Raman lasers.
abstract: We report an analytical model describing power and efficiency of a 23 W quasi-continuous-wave diamond Raman laser. The model guides the optimization of the first Stokes output power as a function of resonator and crystal parameters. We show that, in the limit of a weak thermal lens, efficient operation requires strong focussing, low output coupling and low-absorption crystals. Efficient damage-free operation at higher pump powers is predicted to benefit greatly from increased optimum output couplings that act to limit the intracavity Stokes field.
authors.forename: Ondrej
authors.initials: O
authors.lastname: Kitzler
authors.forename: Aaron
authors.initials: A
authors.lastname: McKay
authors.forename: David J
authors.initials: DJ
authors.lastname: Spence
authors.forename: Richard P
authors.initials: RP
authors.lastname: Mildren