Chinese Journal of Lasers, Volume. 49, Issue 13, 1301004(2022)
Fabrication and Laser Performance of Large Mode Area Erbium-Ytterbium Co-Doped Fiber
Figures & Tables(7)
Fig. 2. Cross section and pre-fabricated rod refractive index profile of EYDF1 fiber. (a) Optical fiber cross section；(b) pre-fabricated rod refractive index profile
Fig. 3. Cross section and pre-fabricated rod refractive index profile of EYDF2 fiber. (a) Optical fiber cross section；(b) pre-fabricated rod refractive index profile
Fig. 5. Output laser characterization of pre-amplification stage. (a)Spectrum when signal power is pre-amplified to 5.25 W with seed light spectrum shown in inset; (b) slope efficiency of pre-amplification stage
Fig. 6. Output laser characterization of main amplification stage. (a) Wide output spectrum with narrow spectrum shown in inset; (b) slope efficiency, optical-to-optical efficiency and laser spot of main amplification stage
Table 1. Parameters of typical erbium-ytterbium lasers
View tableTable 1. Parameters of typical erbium-ytterbium lasers
Classification Year Manufacturing country Output power /W Optical efficiency Reference Domestic 2021 China 61.7@1550.0 nm 42.7% - 2021 Canada 21.6@1548.9 nm 45.7% [ 15 ]2021 USA 219.6@1600.0 nm 22.4% [ 16 ]International 2020 USA 302.0@1562.3 nm 56.0% [ 14 ]2016 USA 207.0@1560.0 nm 49.3% [ 13 ]2014 Canada 264.0@1585.0 nm - [ 12 ]2007 UK 297.0@1567.0 nm 40.0%-19.0% [ 11 ]
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Wenzhen Li, Yang Chen, Yibo Wang, Dingchao Xu, Yingbo Chu, Nengli Dai, Jinyan Li. Fabrication and Laser Performance of Large Mode Area Erbium-Ytterbium Co-Doped Fiber[J]. Chinese Journal of Lasers, 2022, 49(13): 1301004
Paper Information
Category: laser devices and laser physics
Received: Nov. 3, 2021
Accepted: Jan. 7, 2022
Published Online: Jun. 13, 2022
The Author Email: Li Jinyan (ljy@hust.edu.cn)
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