High-power/energy large mode area tapered fiber amplifiers

V Roy, P Grenier, L Desbiens… - Fiber Lasers XVIII …, 2021 - spiedigitallibrary.org
A short-pulse Yb-doped fiber laser based on a master oscillator and power amplifier scheme
is reported to yield an average power exceeding 500 W and pulse energy over 1 mJ. The …

35/250 ytterbium-doped LMA polarization-maintaining fiber for high average and high peak power amplifiers

V Roy, L Desbiens, M Boivin, P Grenier… - Fiber Lasers XX …, 2023 - spiedigitallibrary.org
An ytterbium-doped large mode area polarization-maintaining fiber with core/cladding
diameters of 35/250 µm was fabricated from modified chemical vapor deposition technique …