High Power Laser Science and Engineering, 2018, 6 (3): 03000e40, Published Online: Aug. 28, 2018   

Development and prospect of high-power doped fibers

Author Affiliations
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
Abstract
Ytterbium-doped fibers have become the optimum gain media of high-power fiber lasers thanks to a simple energy structure, which strongly reduces the excited state absorption, and a low quantum defect and a high optic–optic conversion efficiency, which means the low thermal load. In this paper, we take a review of the current state of the art in terms of doped fibers for high-power fiber lasers, including the development of the fabrication techniques. The research work to overcome the challenges for doped fibers, which affect the stability of output power and beam quality, will be demonstrated. Direction of further research is presented and the goal is to look for a fiber design, to boost single fiber output power, stabilize the laser power and support robust single-mode operation.

Yibo Wang, Gui Chen, Jinyan Li. Development and prospect of high-power doped fibers[J]. High Power Laser Science and Engineering, 2018, 6(3): 03000e40.

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