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Nonlinear Disorder Mapping Through Three-Wave Mixing

  • Autori: Pasquazi, A.; Busacca, A.; Stivala, S.; Morandotti, R.; Assanto, G.
  • Anno di pubblicazione: 2010
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • Parole Chiave: Second-harmonic generation; random quasi phase matching; image analysis.
  • OA Link:


We implement a simple and powerful approach to characterize the domain distribution in the bulk of quadratic ferroelectric crystals via far-field second-harmonic spectroscopy. The approach is demonstrated in a lithium tantalate sample with periodic electric field poling and random mark-to-space ratio.