Man Jiang, Pu Zhou, Hu Xiao, Pengfei Ma. A high-power narrow-linewidth 1018 nm fiber laser based on a single-mode–few-mode–single-mode structure[J]. High Power Laser Science and Engineering, 2015, 3(3): 03000001
- High Power Laser Science and Engineering
- Vol. 3, Issue 3, 03000001 (2015)
Fig. 1. Brief schematic diagram of the 1018 nm fiber laser. HR, high-reflectivity; LR, low-reflectivity; FM-YDF, few-mode Yb-doped fiber.
Fig. 2. Laser output power versus pump power of the SFS-YDFL.
Fig. 3. Laser output power versus pump power of the 
fiber laser.
fiber laser. Fig. 4. Far-field output beam profile of the 1018 nm SFS-YDFL.
Fig. 5. (a) Laser emission spectrum at different output powers, (b) laser emission spectrum at 100 W output power in linear coordinates.
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