【摘要】 本文采用改进的六层平板波导结构建立了光纤布喇格反射滤波器的物理模型，在用数值计算机对其结构参数进行了优化设计的基础上，用离子刻蚀法制作出了中心波长为１５３０６ｎｍ、反射率为９９％、带宽为０３ｎｍ的高反射率窄带宽的光纤Ｂｒａｇｇ光栅滤波器更多还原

【Abstract】 A six layer planar waveguide model has been proposed to analyse the ion beam etched fiber grating filter After optimizing the parameters,in our experiment,we have obtained a narrow band high reflectivity Bragg fiber filter with 1530 6nm centre wavelength,99% reflectivity and 0 3nm bandwidth更多还原