光纤Sagnac环的研究现状及其应用

在研究Sagnac效应的基础上,利用光纤Sagnac环的干涉结构,提出了多种光纤Sagnac环的改进方案,并进行了大量实验,使其应用范围得到了极大扩充。从Sagnac效应的基本原理出发,综述了光纤Sagnac环现阶段的主要应用和最新进展,主要有光纤陀螺、光纤水听器和Sagnac环滤波器等。最后介绍了光纤Sagnac环研究的前沿新技术方向,主要包括改变Sagnac环的结构、在Sagnac环中加入介质或与其他结构级联、做成全光缓存器,制作多波长光纤激光器等。

Research and Application of Optical Fiber Sagnac Loop

According to the research on Sagnac effect and the interference structure of fiber Sagnac loop, the improved schemes of fiber Sagnac loop are introduced in recent years. The plenty of experiments are implemented and the application range is enlarged greatly. Based on the basic principle of Sagnac effect, the main applications and newest developments of fiber Sagnac loop at present stage such as fiber gyro, fiber hydrophone and Sagnac loop filter are summarized. The advanced and new technology directions of fiber Sagnac loop such as changing the struc ture of Sagnac loop, adding medium to Sagnac loop, cascading with other structure, making full-light cache and mul tiple-wavelength fiber lasers are introduced finally.