Bichromatic coherent random lasing from dye-doped polymer stabilized blue phase liquid crystals controlled by pump light polarization

Wang Lei^{1, †,}, Wang Meng^{2, †,}, Yang Mingchao¹, Shi Li-Jie¹, Deng Luogen^{1, ‡,}, Yang Huai^{2, §,}

(a) Transmission polarized optical microscopy images. (b) Transmittance spectra of samples 1–4 without dye at room temperature. (c) Schematic illustration of the multiple light scattering in the dye-doped PSBP-LCs, θ is the angle between the polarization of the incident light and x axis.