Parametric holographic scattering processes in photorefractive barium-calcium titanate crystals

被引：5

作者：

Schwalenberg, S ^{[1
]}

Krätzig, E ^{[1
]}

机构：

[1] Univ Osnabruck, Fachbereich Phys, D-49069 Osnabruck, Germany

来源：

JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2004年 / 6卷 / 04期

关键词：

photorefractive crystals; parametric holographic scattering;

D O I：

10.1088/1464-4258/6/4/009

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate light-induced parametric holographic scattering in photorefractive Ba0.77Ca0.23TiO3 (BCT) crystals illuminated with two coherent pump beams. On a screen behind the crystal we observe different scattering patterns which we attribute to certain phase-matching conditions. This allows for the identification of the involved four-wave mixing processes. We discuss the influence of space charge field limitations and the magnitude of the involved electrooptic tensor elements on the appearance of parametric scattering processes. In this context we compare our results with observations in other crystals.

引用

页码：349 / 356

页数：8

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