Abstract: In this pa per,the principle of fiber-optic sensors is introduced,the characteristics of a special Fabry-Perot sensor is analyzed and the advantages of this sensor are also been demonstrated. Meanwhile, how to use those sensors and other equipment in a dam’s safety monitoring at Shenzhen is put forward, too.?

摘要： 对主要光纤传感器的基本原理做了简单介绍，分析了一种新型光纤传感器及其数据采集装置的特点和T作原理。对该种光纤传感器在大坝安全监测中的应用实践做了介绍，并对光纤传感技术在大坝安全监测中的应用前景做了展望。