飞秒激光直写光纤光栅进展及光谱优化方法研究

朱玉雪¹, 陈东营², 赵强^2,^3,^*, 曲轶^1,^*

Progress of Femtosecond Laser Direct Writing Fiber Grating and Spectral Optimization Method

ZHU Yu-xue¹, CHEN Dong-ying², ZHAO Qiang^2,^3,^*, QU Yi^1,^*

不同光栅长度的光谱图^{[ 17 ]} (a): 1 mm; (b): 2 mm; (c): 5 mm; (d): 光栅长度变化与反射峰值和带宽的关系