ANISOTROPIC GRATING RECORDING IN PHOTOREFRACTIVE KNBO3FE

Autor(en): VANOLFEN, U
HESSE, H
JAKEL, G
KRATZIG, E
ODOULOV, S
Stichwörter: DIFFRACTION; OPTICAL-PROPERTIES; Optics
Erscheinungsdatum: 1992
Herausgeber: ELSEVIER SCIENCE BV
Journal: OPTICS COMMUNICATIONS
Volumen: 93
Ausgabe: 3-4
Startseite: 219
Seitenende: 222
Zusammenfassung: 
The first observation of an anisotropically recorded grating (with two orthogonally polarized beams) in photorefractive KNbO3:Fe is reported. We attribute the effect to influences of the nondiagonal elements beta113, and beta223 of the photovoltaic tensor. With the help of anisotropic diffraction from the grating we estimate the lower limit of these tensor elements. The diffraction efficiency strongly depends on the recording angle.
ISSN: 00304018
DOI: 10.1016/0030-4018(92)90532-V

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