铁电畴层波的电光效应  

Electrooptic Effect of Ferroelectric Domain Layer Wave

作　　者：熊和金[1] 李兴教[1] 

机构地区：[1]华中理工大学固体电子学系

出　　处：《压电与声光》1996年第4期252-254,共3页Piezoelectrics & Acoustooptics

基　　金：国家自然基金

摘　　要：铁电１８０°畴结构在超声波作用下将被诱导出沿畴壁传播的铁电畴层波，其电场导致了构成铁电１８０°畴结构的晶体的电光效应，畴结构的光率体发生了改变，晶体的主折射率受到激发铁电畴层波的超声波的调节。这一效应在声光控制和超声检测方面有应用价值。Ferroelectric domain layer wave(FDLW),which propagates along the domainwall,will be induced under the action of ultrasonic wave in ferroelectric 180°domain structure,itselectrical field will lead to electrooptic effect in the ferroelectric crystal forming the ferroelectric180°domain structure. The optical indicatrix of the domain structure has been changed and themain refracting indexes have been regulated by the ultrasonic wave. This may be useful for acoustooptic control and ultrasonic detection.

关 键 词：铁电畴层波 电光效应 超声波 

分 类 号：O482.7[理学—固体物理]