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Proceedings Paper

Digital holographic interferometry as an experimental instrumentation for measurements of macroscopic properties of polydomain ferroelectrics
Author(s): Pavel Mokry; Kateřina Steiger; Pavel Psota; Roman Dolecek; Petr Vojtisek; Vit Ledl
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Paper Abstract

In this work, the theoretical study of macroscopic dielectric and optical properties of ferroelectric polydomain samples is presented. The role of average spontaneous polarization of the polydomain sample on the macroscopic dielectric response is analyzed. The measurement method of average spontaneous polarization using optical methods is suggested and analyzed. The presented analysis is focused on the computation of optical properties near ferroelectric domain walls. The computation of refractive index in the regions near neutral domain walls is presented. Since it is known that the refractive index depends on the configuration of the crystal lattice within a particular domain and on the internal and external electric fields, the obtained results will be used for a suggested method of 3D imaging of ferroelectric domain walls and internal electric fields using digital holographic interferometry.

Paper Details

Date Published: 7 January 2015
PDF: 8 pages
Proc. SPIE 9442, Optics and Measurement Conference 2014, 94420V (7 January 2015); doi: 10.1117/12.2178485
Show Author Affiliations
Pavel Mokry, Institute of Plasma Physics of the AS CR, v.v.i. (Czech Republic)
Kateřina Steiger, Institute of Plasma Physics of the AS CR, v.v.i. (Czech Republic)
Pavel Psota, Institute of Plasma Physics of the AS CR, v.v.i. (Czech Republic)
Roman Dolecek, Institute of Plasma Physics of the AS CR, v.v.i. (Czech Republic)
Petr Vojtisek, Institute of Plasma Physics of the AS CR, v.v.i. (Czech Republic)
Vit Ledl, Institute of Plasma Physics of the AS CR, v.v.i. (Czech Republic)


Published in SPIE Proceedings Vol. 9442:
Optics and Measurement Conference 2014
Jana Kovačičinová; Tomáš Vít, Editor(s)

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