Littman光栅外腔可调谐Yb3+双包层光纤激光器

1.南开大学物理科学学院,天津,300071

2.南开大学物理科学学院,天津,300071

3.南开大学物理科学学院,天津,300071

4.南开大学物理科学学院,天津,300071

5.南开大学物理科学学院,天津,300071

6.南开大学物理科学学院,天津,300071

基金项目: 国家自然科学基金(60137010) 国家自然科学基金(69977012)

Tunable Grating External-cavity Yb3+ Double-cladding Fiber Laser with Littman Set-up

本文对LD泵浦的光栅外腔可调谐双包层Yb3+光纤激光器进行了实验研究.采用Littman外腔结构,研究了Yb3+光纤激光器的调谐特性.输出激光调谐范围42 nm,谱线宽度0.08 nm,最大输出功率达到了460 mW,斜率效率约30%.并对其输出光功率随波长的变化进行了观测和分析.

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