title: 240 kW peak power at 266 nm in nonlinear YAl3(BO3)4 single crystal.
abstract: We report the fourth harmonic generation at 266 nm using a type I YAl3(BO3)4 (YAB) single crystal from a Q-switch microchip laser Nd:YAG/Cr⁴⁺:YAG frequency doubled with a LiB3O5 (LBO) crystal. 240 kW peak power at 266 nm corresponding to a mean conversion efficiency of 12.2% from 532 to 266 nm has been obtained with a 2.94 mm thick YAB crystal. The influences of optical homogeneity and absorption on the conversion efficiency are discussed.
authors.forename: Simon
authors.initials: S
authors.lastname: Ilas
authors.forename: Pascal
authors.initials: P
authors.lastname: Loiseau
authors.forename: Gérard
authors.initials: G
authors.lastname: Aka
authors.forename: Takunori
authors.initials: T
authors.lastname: Taira
mesh_terms: D017607:Aluminum Compounds / Q000737:chemistry*; D001881:Borates / Q000737:chemistry*; D003460:Crystallization; D004560:Electricity; D007834:Lasers; D008027:Light; D017711:Nonlinear Dynamics; D014466:Ultraviolet Rays; D015019:Yttrium / Q000737:chemistry*
chemical_list: D017607:Aluminum Compounds; D001881:Borates; D015019:Yttrium