光纤流量传感器是光纤技术和传统流量检测技术相结合的一种新型流量传感器。利用光纤在流体中光的强度、相位、频率等受流量调制的特性,在传统流量传感器的基础上,可以制得新型的光纤流量传感器。就几种类型的光纤流量传感器的工作原理及特性进行了的评述。 关键词: 光纤; 流量; 传感器 Abstract : The optic fiber flowmeter is a kind of new type flowmeter combined optic fiber technology and flow measurement .Based on the traditional flowmeter ,a new type flowmeter is fablicated utilizing the features of the fiber2optic in fluid , in which the amplitude ,phase or frequence of the light may be modulated. The principles and features about several types of fiber2optic flowmeters are briefly characterized. Key words : optic fiber ; flow ; sensor