镀膜光纤光栅(CFG)是近年来光通信、光传感应用领域的研究热点, 以其优异的光学特性和调节灵活的设计而使其具有诱人的应用前景。对镀膜光纤光栅的结构和理论特性作一简要的介绍, 给出镀介质膜和金属膜的光纤光栅计算模型, 重点阐述镀膜光纤光栅在传感和通信领域中的应用, 对镀膜光纤光栅的发展方向作进一步展望。

Coated fiber grating has aroused more and more interest in optical communication and optical sensing recent years. Due to its good optical characteristics and flexible and adjustable design, coated fiber grating has an attractive application prospect. The structure and theory of coated fiber grating is introduced simply briefly, and the calculation model of fiber grating coated dielectric film and metal film is given. The application of coated fiber grating in the sensing and communication area is emphasized. And the further outlook of its development direction is prospected.