Optics express
4.2 kW, 0.11 nm, near single-mode isolator-free narrow-linewidth fiber laser of a one-stage amplifier seeded by a taped fiber oscillator.
Binyu Rao, Hengyu Tang, Yufei Gan, Xin Tian, Hao Li, Meng Wang, Zhixian Li, Zilun Chen, Hu Xiao, Zhiyong Pan, Baolai Yang, Pengfei Ma, Zefeng Wang
Published: 202510.1364/OE.576605
Abstract
High-power narrow-linewidth fiber amplifiers (NLFAs) have wide applications in beam combining, lidar system, nonlinear frequency conversion, etc. It's a challenging task to simultaneously control beam quality and linewidth of high-power NLFAs. Here,…
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