We investigate the defect-induced internal field in lithium niobate. By spatially resolved interferometric technique, we observe a different answer of opposite ferroelectric domains to an applied voltage due to an elastic component of internal field.
© 2005 Optical Society of America
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.2880) Instrumentation, measurement, and metrology : Holographic interferometry
(160.0160) Materials : Materials
(160.2260) Materials : Ferroelectrics
M. Paturzo, D. Alfieri, S. Grilli, P. Ferraro, P. de Natale, M. de Angelis, S. de Nicola, A. Finizio, G. Pierattini, F. Caccavale, D. Callejo, A. Morbiato, and M. Musolino, "Dynamical Investigation of Internal Field in LiNbO3 Crystals," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper JTuC39.
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