The PZT specimens with clinder and stack types have been tested.The measurement results show the dynamic response and hysteresis of PZTs can be measured with a high accuracy by this SMI approach.

• 通过对圆柱形单层和叠片式PZT样品测试，结果表明，利用激光SMI测量PZT特性，实验装置结构简单，可以实现高精度适时检测PZT动态响应和滞回特性。