Dynamic light beam deflection caused by space charge waves in photorefractive crystals

Autor(en): Petrov, MP
Paugurt, AP
Bryksin, VV
Wevering, S
Andreas, B
Kratzig, E
Stichwörter: Optics; Physics; Physics, Applied
Erscheinungsdatum: 1999
Herausgeber: SPRINGER VERLAG
Journal: APPLIED PHYSICS B-LASERS AND OPTICS
Volumen: 69
Ausgabe: 4
Startseite: 341
Seitenende: 344
Zusammenfassung: 
During holographic recording in photorefractive crystals (BSO, EGO, and BTO) by an oscillating interference pattern we observe a strong dynamic deflection of the laser beams reflected from the crystal's surface. The theoretical treatment shows that this new effect is associated with a nonlinear interaction of space charge gratings resulting in a quasi-homogeneous oscillating space charge field which provides deformations of the crystal via the piezoelectric effect.
ISSN: 09462171
DOI: 10.1007/s003400050816

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