Abstract
The lasing in an end-pumped gain guided index-antiguided (GG-IAG) Yb3+-doped silicate glass fiber with a 200 μm diameter core is demonstrated. Laser beams with similar beam propagation factors M 2 and mode field diameters W 0 (>160 μm) were observed at the output end of the GG-IAG fibers under different pump powers, which indicated that single mode behavior and excellent beam quality were achieved during propagation. Furthermore, the laser amplifier characteristics in the present Yb3+-doped GG-IAG fiber were also evaluated.
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Lu, M., Li, W., Zou, K. et al. Yb3+-doped 200 μm diameter core, gain guided index-antiguided fiber. Appl. Phys. B 98, 301–304 (2010). https://doi.org/10.1007/s00340-009-3737-z
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DOI: https://doi.org/10.1007/s00340-009-3737-z