Spatial rectification of the electric field of space charge waves

Autor(en): Petrov, MP
Paugurt, AP
Bryksin, VV
Wevering, S
Kratzig, E
Stichwörter: BI12SIO20; ELECTROOPTIC CRYSTALS; HOLOGRAPHIC STORAGE; Physics; Physics, Multidisciplinary; STEADY-STATE
Erscheinungsdatum: 2000
Herausgeber: AMER PHYSICAL SOC
Journal: PHYSICAL REVIEW LETTERS
Volumen: 84
Ausgabe: 22
Startseite: 5114
Seitenende: 5117
Zusammenfassung: 
A new phenomenon associated with a nonlinear interaction of optically excited space charge waves has been discovered in photorefractive crystals of the sillenite family. This interaction provides a spatial rectification of the electric field of the space charge waves and leads to a temporally oscillating, but spatially homogeneous electric field of the order of 50-60 V/cm which is detected by a probe beam via the electro-optic effect. Taking into account that the displacement current plays an important role, we demonstrate a very good agreement between the experimental data and the suggested theoretical model.
ISSN: 00319007
DOI: 10.1103/PhysRevLett.84.5114

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