G. Chilaya et al., ANOMALOUS SELECTIVE REFLECTION AT CHOLESTERIC-TO-SMECTIC-A PHASE-TRANSITION, Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 261, 1995, pp. 233-239
In anomalous selective reflection more then 50% of input unpolarized l
ight was observed near the cholesteric to smeotic A phase transition i
n three-component mixtures of two nematics and optically active non-me
sogenic dopant.