多参量和多功能型光纤光栅传感技术

Multi-parameter and Multi-functional Fiber Grating Sensing Technology

介绍了多参量和多功能型光纤光栅传感技术的原理、发展历史和现状,重点介绍了利用基于光纤光栅的一个传感头同时测量多个参量的技术。详细分析了利用一个光纤光栅传感头同时测量温度和应变的原理和技术,对多参量传感中的传感头结构进行了总结和分类,提出并分析了新的多功能型光纤光栅多参量传感系统。

The main principle, developing history and present status of multi-parameter and multi-functional fiber grating sensing techniques are introduced. And the technology of multi-parameters measurement at the same time with one fiber-grating sensor is explained. The discrimination techniques for cross-sensitivity of temperature and strain have been discussed in detail. The multi-parameter sensing head configurations involving fiber-grating devices have been overviewed and sorted. Novel multi-functional fiber grating sensing systems have been proposed and analyzed.