Random lasing from dye-doped negative liquid crystals using ZnO nanoparticles as tunable scatters
Li Long-Wu1, Shang Zhen-Zhen2, Deng Luogen2, †, 
(a) The emission lasing spectra of dye-doped negative LCs solution with (0.24 g) ZnO NPs when pumped at different energies. (b) Lasing emission peak intensity versus pumping energy obtained from panel (a).
