Hengyu Tang
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View article: 6 kW near single-mode monolithic fiber laser oscillator based on core NA design of confined ytterbium-doped fiber
6 kW near single-mode monolithic fiber laser oscillator based on core NA design of confined ytterbium-doped fiber Open
View article: 6.7 kW LD-Pumped Nearly-Single-Mode MOPA Fiber Laser Enabled by Low-NA Confined-Doped Fiber
6.7 kW LD-Pumped Nearly-Single-Mode MOPA Fiber Laser Enabled by Low-NA Confined-Doped Fiber Open
Optimized designs of the ytterbium-doped fiber (YDF) have been effective at mitigating transverse mode instability (TMI) and enabling high-power scaling. In this study, the use of low-NA confined-doped YDFs is explored to achieve high-powe…
View article: 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
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 Open
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 NL…
View article: 5.2 kW bidirectional-pumping fiber oscillator based on confined doped fiber
5.2 kW bidirectional-pumping fiber oscillator based on confined doped fiber Open
In this manuscript, we theoretically analyze the impact of bend-induced mode distortion and Yb-doping ratio on the gain distribution for modes and transverse mode instability (TMI), which indicates the advantages of using confined-doped fi…