Functional Fibers and Functional Fiber-Based Components for High-Power Lasers
Xiao Chen, Tianfu Yao, Liangjin Huang, Yi An, Hanshuo Wu, Zhiyong Pan, Pu Zhou
Advanced Fiber Materials ›› 2022, Vol. 5 ›› Issue (1) : 59-106.
Functional Fibers and Functional Fiber-Based Components for High-Power Lasers
The success of high-power fiber lasers is fueled by maturation of active and passive fibers, combined with the availability of high-power fiber-based components. In this contribution, we first overview the enormous potential of rare-earth doped fibers in spectral coverage and recent developments of key fiber-based components employed in high-power laser systems. Subsequently, the emerging functional active and passive fibers in recent years, which exhibit tremendous advantages in balancing or mitigating parasitic nonlinearities hindering high-power transmission, are outlined from the perspectives of geometric and material engineering. Finally, novel functional applications of conventional fiber-based components for nonlinear suppression or spatial mode selection, and correspondingly, the high-power progress of function fiber-based components in power handling are introduced, which suggest more flexible controllability on high-power laser operations.
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