ultrasonic interferometer

Gave interaction between the ultrasonic wave and optical fiber AE sensor. Gave the theoretical analysis of sensitivity of optical fiber sensor based on optical fiber Mach-Zehnder ( MZ) interferometer.

给出此类光纤声发射传感器和超声波之间的相互作用以及基于光纤MZ干涉仪的此类传感器灵敏度的理论分析。

The system and its operation principle of an ultrasonic receiver with a confocal Fabry Perot interferometer ( CFPI) were given.

给出了共焦Fabry－Perot干涉仪超声探测系统及其工作原理；

On the basis of discussing the principles of detecting ultrasonic signals with a confocal Fabry-Perot interferometer ( CFPI), a CFPI was developed successfully. This interferometer has good characteristics, lower cost of production and is easy to operate.

本文在系统地讨论了用共焦Fabry Perot干涉仪探测超声信号的理论基础上，成功地自行设计、制作、组装一台成本较低，综合性能优良，操作方便的共焦Fabry Perot干涉仪。