光纤布拉格光栅地震检波技术是一门较新的地震检波技术.实验表明,用光纤Bragg光栅做成的检波器不仅频带宽、稳定性好,而且灵敏度高,是一种较理想的地震勘探仪器.文章主要介绍了光纤布拉格光栅地震检波器的传感原理、理论计算及其工作原理,为光纤Bragg光栅地震检波器的研究以及实际应用提供了依据.
Fiber Bragg Grating seism demodulation technology is the newest kind of seism demodulation technology. The result of the experiment indicates that the Fiber Bragg Grating geophone has wider bandwidth, better stability, higher sensitivity, and a perfect kind. In this paper, the basic principle, theoretical calculation and operation of the FBG sensing are mainly described. The study and application of the FBG seismometer are provided.