Passively <italic>Q</italic>-switched dual-wavelength Yb:LSO laser based on tungsten disulphide saturable absorber

Passively Q-switched dual-wavelength Yb:LSO laser based on tungsten disulphide saturable absorber

Liu Jing-Hui¹, Tian Jin-Rong^{1, †,}, Guoyu He-Yang¹, Xu Run-Qin¹, Li Ke-Xuan¹, Song Yan-Rong^{1, ‡,}, Zhang Xin-Ping¹, Su Liang-Bi², Xu Jun²

(a) The schematic of z-scan system. (b) The nonlinear transmission curve of WS₂ film.