节点文献
掺Yb相移分布反馈光纤激光器的后期制作与研究
Study on Postprocess of λ/4-shifted DFB Yb-doped Fiber Laser
【摘要】 采用二次曝光法先在一根10cm长的掺Yb光纤上制作出近似λ/4相移分布反馈(DFB)掺Yb光纤激光器。再利用紫外修整的方法,同时通过F-P扫描干涉仪及示波器实时监控激光运行模式,获得了阈值低而单纵模运行特性好的λ/4相移DFB掺Yb光纤激光器。所制作的激光器阈值为20mW。当抽运功率为130mW时,获得了25mW的1053um单纵模激光。
【Abstract】 An approximative λ/4 -shifted DFB Yb-doped fiber laser was made in the length of 10 cm Yb-doped fiber by double exposure method. Then, it was treated with λ/4-shifted Yb-doped DFB fiber laser with UV trimming. The running characteristic of the laser with scaning F-P interferometer and oscilloscope was observated. SLM Yb-doped λ/4-shifted DFB fiber laser was obtained. The threshold is 20 mW. When pump power was 130 mW. 25 mW SLM laser at 1053 nm was got.
【关键词】 光电子学;
分布反馈光纤激光器;
二次曝光法;
紫外修整;
【Key words】 optoelectronics; DFB fiber laser; double exposure method; UV trimming;
【Key words】 optoelectronics; DFB fiber laser; double exposure method; UV trimming;
【基金】 国家高技术863-804-2资助项目
- 【文献出处】 中国激光 ,Chinese Journal of Lasers , 编辑部邮箱 ,2003年07期
- 【分类号】TN248
- 【被引频次】8
- 【下载频次】140