Wang, BSwitkowski, KrzysztofCojocaru, CrinaRoppo, V.Sheng, YanScalora, MichaelKisielewski, JPawlak, DVilaseca, RamonAkhouayri, H.Krolikowski, WieslawTrull, Jose2020-01-222020-01-221094-4087http://hdl.handle.net/1885/198979We present an indirect, non-destructive optical method for domain statistic characterization in disordered nonlinear crystals having homogeneous refractive index and spatially random distribution of ferroelectric domains. This method relies on the analysis of the wave-dependent spatial distribution of the second harmonic, in the plane perpendicular to the optical axis in combination with numerical simulations. We apply this technique to the characterization of two different media, Calcium Barium Niobate and Strontium Barium Niobate, with drastically different statistical distributions of ferroelectric domains.Ministerio de Economía y Competitividad (MINECO), Spain, FIS2015-65998-C2-1-P (MINECO-FEDER); US Army Research, Development and Engineering Command (RDECOM) W911NF-16-1-0563; Australian Research Council and Qatar National Research Fund (NPRP8-246-1-060).application/pdfen-AU© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreementhttps://www.osapublishing.org/library/license_v1.cfm#VOR-OA201810.1364/OE.26.0010832019-11-25OSA Open Access Publishing Agreement