Abstract Cholesteric liquid crystals exhibit a periodic helical structure that partially reflects light with wavelengths comparable to the period of the structure. thus performing as a one-dimensional photonic crystal. Here. we demonstrate a combined experimental and numerical study of light transmittance spectra of finite-length helical structure of cholesteric liquid crystals. https://www.jmannino.com/mega-pick-Superman-Clark-Big-Bang-Lite-Headband-amazing-offer/