激光干涉法测压电陶瓷的压电常数d_(31)

THE MEASUREMENT OF PIEZOELECTRIC CONSTANT d_(31) OF PIEZOELECTRIC CERAMIC WITH LASER INTERFERENCE METHOD

介绍迈克尔逊干涉仪原理在测微小位移中的应用。确定一种锆钛酸铅镧（PLZT）压电陶瓷的压电常数d(31)，得到了一种测d(31)的可行可靠的新方法。

The application of Michelson interference principle in measuring small displacement is introduced. Piezoelectric constant d(31) of a PLZT piezoelectric ceramic is measured. A new method of measuring d(31) is given.