Dielectric, electrooptic, and holographic properties close to the diffuse phase transition of PLZT 10/65/35

Electric polarization and induced birefringence of PLZT 10/65/35 are investigated. The electric and electrooptic material properties of PLZT 10/65/35 at room temperature are affected by a diffuse phase transition. The effective quadratic and the effective fourth order electrooptic coefficients of the ceramic are determined by halfwave voltage and compensator methods. Absolute values for the polarization induced effective quadratic electrooptic coefficients are obtained by a holographic method. Consequences for the analysis of the holographic recording process in PLZT 10/65/35 are discussed. Elektrische Polarisation und induzierte Doppelbrechung von PLZT 10/65/35 werden untersucht. Die elektrischen und elektrooptischen Materialeigenschaften von PLZT 10/65/35 bei Zimmertemperatur werden durch einen diffusen Phasenubergang beeinflust. Die effektiven quadratischen und die effektiven elektrooptischen Koeffizienten vierter Ordnung der Keramik werden durch die Halbwellenspannungs- und Kompensatormethoden bestimmt. Die Absolutwerte der polarisationsinduzierten effektiven quadratischen elektrooptischen Koeffizienten werden durch eine holographische Methode ermittelt. Konsequenzen fur die Analyse des holographischen Aufzeichnungsprozesses in PLZT 10/65/35 werden diskutiert.

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