Fabrication of Fiber Bragg Gratings by Visible Femtosecond Laser for Multi-kW Fiber Oscillator

In this paper, we fabricate a pair of fiber Bragg gratings (FBGs) in large mode area double cladding fiber (LMA-DCF, core/inner cladding diameter: 20/400 μm) by visible (515 nm) femtosecond laser and phase mask for the first time to the best of our knowledge. Then th...

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Bibliographic Details
Main Authors: Hongye Li, Xin Tian, Meng Wang, Xiaofan Zhao, Baiyi Wu, Chenhui Gao, Hao Li, Binyu Rao, Xiaoming Xi, Zefeng Wang
Format: Article
Language:English
Published: IEEE 2022-01-01
Series:IEEE Photonics Journal
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9684705/