Ay. Vakhnin et al., LASER METHOD OF REFRACTIVE-INDEX DETERMINATION WITHIN THE SELECTIVE REFLECTION BAND OF CHOLESTERIC LIQUID-CRYSTALS, Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 265, 1995, pp. 711-721
A principally new method of simultaneous determination of refractive i
ndex and small values of helical pitch of cholesteric liquid crystals
is proposed. Its accuracy, limitations and possible use are also discu
ssed.