Linear and nonlinear optical properties of Sb-doped GeSe2 thin films*
Zhang Zhen-Yinga), Chen Fena)†, Lu Shun-Binb), Wang Yong-Huia), Shen Xiangc), Dai Shi-Xunc), Nie Qiu-Huac)
       
Plots of the refractive index ( n 2−1)−1 versus ( hv )2 for Ge–Se–Sb thin films.