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- Title
A high-power narrow-linewidth 1018 nm fiber laser based on a single-mode–few-mode–single-mode structure.
- Authors
Jiang, Man; Zhou, Pu; Xiao, Hu; Ma, Pengfei
- Abstract
We demonstrate an all-fiber high-power Yb-doped 1018 nm fiber laser with a Gaussian-shaped output beam profile based on a mismatched structure, which consists of a pair of single-mode fiber Bragg gratings and a section of few-mode double-cladding gain fiber. The output power is up to 107.5 W with an optical-to-optical efficiency of 63%, and the 3 dB band is 0.26 nm at this power level. Such a structure of single-mode–few-mode–single-mode fiber oscillator can be used to generate high-power narrow-linewidth lasing with excellent beam quality in other spectral ranges.
- Subjects
FIBER lasers; SINGLE-mode optical fibers; FIBER Bragg gratings; HIGH power lasers; LASER beams
- Publication
High Power Laser Science & Engineering, 2015, Vol 3, pN.PAG
- ISSN
2095-4719
- Publication type
Article
- DOI
10.1017/hpl.2015.24