Double-parabola Yb3+-doped fiber for 5.58 kW high-brightness linearly polarized laser output.

A 5.58 kW narrow-linewidth linearly polarized single-mode fiber amplifier is demonstrated using a double-parabola active fiber. The fiber design ensures strong fundamental-mode selectivity under bending through its double-parabola refractive index an…

Preview only. Read the full abstract at the source