Dispersion of the electro-optic properties of cerium-doped Sr0.61Ba0.39Nb2O6

Autor(en): Imlau, Mirco 
Bastwoeste, Kathrin
Moeller, Stefan
Voelker, Uwe
Goulkov, Mikhail
Stichwörter: CHARGE-TRANSPORT PROCESSES; COEFFICIENTS; CRYSTALS; DEPENDENCE; DEVICE APPLICATIONS; HOLOGRAPHIC METHOD; OXYGEN-OCTAHEDRA FERROELECTRICS; PHOTOREFRACTIVE PROPERTIES; Physics; Physics, Applied; SCATTERING; STRONTIUM-BARIUM-NIOBATE
Erscheinungsdatum: 2006
Herausgeber: AMER INST PHYSICS
Journal: JOURNAL OF APPLIED PHYSICS
Volumen: 100
Ausgabe: 5
Zusammenfassung: 
The product of the linear electro-optic coefficient with the electron-hole competition factor r(33)zeta is determined as a function of the wavelength together with the photorefractive trap density N-eff in cerium-doped strontium barium niobate. The photorefractive method of photoinduced light scattering is applied. A pronounced increase of r(33) by more than a factor of 2 is self-evident in the blue-green spectral range, which is described by a theoretical approach based on the combination of the Sellmeier formulation and the polarization tensor concept. By this further important material parameters are estimated, such as the strength and frequency of the average dipole oscillator characterizing the optical interband transfer. (c) 2006 American Institute of Physics.
ISSN: 00218979
DOI: 10.1063/1.2338596

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