Tunable femtosecond near-infrared source based on a Yb:LYSO-laser-pumped optical parametric oscillator
Tian Wen-Long1, Wang Zhao-Hua2, †, , Zhu Jiang-Feng1, Wei Zhi-Yi2, ‡,
       

(a) Intensity autocorrelation trace of the SHG at 792 nm. The experimental data and the sech2-fitting curve are described by the blue curve and the red curve, respectively. (b) The corresponding SHG signal spectrum.