20 W single-frequency, near diffraction-limited, linearly polarized laser based on a Yb fiber pre-amplifier and self-imaging Nd:YAG waveguide power amplifier

摘要

We report a novel architecture for power scaling of near-diffraction-limited, single-frequency lasers. In a first demonstration, we have generated 20 W single-frequency output from a MOPA based on a large core, double-clad, Yb fiber preamplifier and self-imaging Nd: YAG waveguide power amplifier.