Research progress of cholesteric liquid crystals with broadband reflection characteristics in application of intelligent optical modulation materials

Zhang Lan-Ying^{1, 3}, Gao Yan-Zi¹, Song Ping¹, Wu Xiao-Juan², Yuan Xiao¹, He Bao-Feng¹, Chen Xing-Wu², Hu Wang², Guo Ren-Wei², Ding Hang-Jun², Xiao Jiu-Mei², Yang Huai^{1, 2, 3, †,}

(a) The CLC pitch of a film and the UV intensity variation as a function of position across the film thickness of an ultra-broadband CLC polarizer. (b) The reflection spectrum of an optimized CLC film.^[48]