In this paper, an all-fiberized and narrow-linewidth 5 kW power-level fiber amplifier is
presented. The laser is achieved based on the master oscillator power amplification …

The quantum defect (QD) is an important issue that demands prompt attention in high-power
fiber lasers. A large QD may aggravate the thermal load in the laser, which would impact the …

We report on what we believe is the first demonstration of a monolithic counter tandem
pumped ytterbium-doped fiber amplifier based on conventional double-clad fiber. At the …

We report a simple design of Yb-doped fiber laser providing a record output power of 2 kW
and power conversion efficiency of 68%. The high output power of this unamplified laser …

The effect of transverse mode instability is a limitation for the power scaling of fiber laser
systems, that can originate due to heat caused by stimulated Raman scattering. In this …

Raman fiber lasers (RFLs) are currently promising and versatile light sources for a variety of
applications. So far, operations of high power and brightness-enhanced RFLs have …

由于具有高品质, 高效率, 高鲁棒性, 结构紧凑等优点, 光纤激光系统在近20 年飞速发展,
并得到广泛应用. 然而发展至今, 依旧存在着一些因素(如非线性效应, 热效应, 模式不稳定性等) …

Due to themerits of high quality, high efficiency, high robustness and compact size, the fiber
laser systems have developed rapidly in the past 20 years, and have been widely used …

By employing the mode decomposition method to study the relative mode evolution
characteristics during the stimulated Raman scattering (SRS) process, a numerical model of …

Pump wavelength shift from the peak absorption wavelength of 976 nm is one of the
strategies for mitigation of transverse mode instability (TMI) in high-power Yb-doped fiber …