基于级联光纤环的复合环形腔单纵模光纤激光器研究

量子电子学报 , 2014, 31(2): 149-153. doi: 10.3969/j.issn.1007-5461.2014.02.004

基于级联光纤环的复合环形腔单纵模光纤激光器研究

马龑 ^1, , 李文彩 ^2, , 龙虎 ^3, , 李磐 ^4, , 毛庆和 ^5,

1.中国科学院安徽光学精密机械研究所安徽省光子器件与材料重点实验室,安徽合肥,230031

2.中国科学院安徽光学精密机械研究所安徽省光子器件与材料重点实验室,安徽合肥,230031

3.中国科学院安徽光学精密机械研究所安徽省光子器件与材料重点实验室,安徽合肥,230031

4.中国科学院安徽光学精密机械研究所安徽省光子器件与材料重点实验室,安徽合肥,230031

5.中国科学院安徽光学精密机械研究所安徽省光子器件与材料重点实验室,安徽合肥,230031

基金项目: 国家863计划(2011AA030203) 国家自然科学基金(11104282,61275186,61250017)

关键词：激光技术 , 光纤激光器 , 辅腔 , 复合腔 , 单纵模

Research on compound-cavity single-longitudinal-mode fiber laser with cascaded fiber-rings

Keywords： laser techniques , fiber laser , secondary cavity , compound cavity , single-longitudinal-mode

研究了基于级联单光纤耦合器(OC)和双OC光纤环的复合环形腔光纤激光器的单纵模运转特性.通过对级联单OC和双OC光纤环辅腔的谐振通带特性进行分析,给出了优化双OC环的谐振通带特性以实现稳定单纵模运转的依据.利用构建的这种复合环形腔光纤激光器,实验验证了该理论依据的正确性.当主腔腔长为6.8 m,单OC环环长为0.45 m,双OC环环长约为0.56 m时,选取双OC的耦合比为0.7,单纵模运转的稳定性相对最好,实验与理论分析结果相吻合.

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