Light deflection from ferroelectric domain boundaries

Light deflection from ferroelectric domain boundaries

A new deflection phenomenon of light has been discovered in ferroelectric crystals that provides information about domain structures, their nucleation, and their dynamics: Illumination of a multi-domain crystal with a single light beam yields light patterns, if external electrical fields are applied...

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Veröffentlicht in:Applied physics. B, Lasers and optics Lasers and optics, 2004-02, Vol.78 (3-4), p.367-370
Hauptverfasser: MILLER, M, SOERGEL, E, WENGLER, M. C, BUSES, K
Format: Artikel
Sprache:eng
Schlagworte:
Boundaries
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Crystal structure
Deflection
Dielectric, piezoelectric, ferroelectric and antiferroelectric materials
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Diffraction and scattering
Electrooptical effects
Exact sciences and technology
Ferroelectric crystals
Ferroelectricity and antiferroelectricity
Fundamental areas of phenomenology (including applications)
Illumination
Lasers
Niobates, titanates, tantalates, pzt ceramics, etc
Nucleation
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of bulk materials and thin films
Optics
Physics
Scanning
Switching phenomena
Wave optics
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Beschreibung
Zusammenfassung:A new deflection phenomenon of light has been discovered in ferroelectric crystals that provides information about domain structures, their nucleation, and their dynamics: Illumination of a multi-domain crystal with a single light beam yields light patterns, if external electrical fields are applied. Deflection angles of up to c8 are observed. We attribute this effect to light deflection from the boundaries of the domains. Besides providing a new method to study domains of any ferroelectric material, the method can be of practical importance for electro-optic beam scanning.
ISSN:0946-2171
1432-0649
DOI:10.1007/s00340-003-1374-5