Author:
Liu Hongyu,Yan Lisong,Chen Hongshan,Liu Xin,Liu Heyan,Wang Qing,Zhang Jinwei
Abstract
We present a mode-locked Hermite-Gaussian Yb:KGW laser oscillator. The average powers and pulse durations of vortex pulses up to 10th via astigmatic mode conversion are several hundred milliwatts and less than 500 fs, respectively.