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近年来新型的紫外激光写入的光纤布拉格光栅元件（ＦＢＧ）以其具有直接写人光纤芯区、插入损耗小、易于全光集成及波长选择性好、传感信息对波长绝对编码等优点，成为国内外光纤技术领域的研究热点。该论文综述了ＦＢＧ制作技术的进展，介绍和比较了各种制作方法的优缺点，对ＦＢＧ在光纤通讯、光纤传感器等方面的应用前景进行了分析和说明，结果表明ＦＢＧ将对整个光纤技术领域产生重要的影响。
In recent years, the new type of UV laser-written fiber Bragg grating device (FBG) has the advantages of direct write optical fiber core region, small insertion loss, easy all-optical integration, good wavelength selectivity, absolute sensing of wavelength information, Become a research focus in the field of optical fiber technology at home and abroad. This paper reviews the progress of FBG fabrication technology, introduces and compares the advantages and disadvantages of various fabrication methods, and analyzes and expounds the application prospect of FBG in optical fiber communication and optical fiber sensors. The results show that the FBG will be the best choice for the entire optical fiber technology field Have a significant impact.