106 W, picosecond Yb-doped fiber MOPA system with a radially polarized output beam

Lin, Di, Baktash, Neda, Alam, Shaif-Ul and Richardson, David (2018) 106 W, picosecond Yb-doped fiber MOPA system with a radially polarized output beam. Optics Letters, 43 (20), 4957-4960. (doi:10.1364/OL.43.004957).

Record type: Article

Abstract

We report the generation of high average output power, high peak power and high pulse energy radially polarized picosecond pulses from a compact gain-switched laser-diode-seeded Yb-doped fiber (YDF) master oscillator power amplifier (MOPA) system. A q-plate was employed as a mode converter prior to the final power amplifier to efficiently convert the linearly polarized Gaussian-shaped beam into a donut-shaped radially polarized beam. The desired vector beam was efficiently amplified yielding ~110ps pulses with a maximum output pulse energy of ~30.7µJ and a peak power of ~280kW at a repetition rate of 1.367MHz. The average power was scaled up to 106W by increasing the repetition rate to 5.468MHz.

Text

106 W, picosecond Yb-doped fiber MOPA system with a radially polarized output beam - Accepted Manuscript

Available under License University of Southampton Accepted Manuscript Licence.

Download (1MB)

Text

ol-43-20-4957 - Version of Record

Available under License Creative Commons Attribution.

Download (2MB)