Influence of a Second-order Kerr Lens in the SHG Crystal on the THG Efficiency and Beam Quality
P. Koch, J. Bartschke, and J. A. L’huillier, in Nonlinear Optics 2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper NF2A.5, DOI: 10.1364/NLO.2015.NF2A.5