, Volume 6, Issue 2, pp 157-161

Optical activity measurements in the smectic blue phases

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Abstract:

Optical activity measurements have been performed on the smectic blue phases ( BP Sm), which are a new kind of chiral liquid crystal. BP Sm exhibit both three-dimensional orientational order, like the classical blue phases, and smectic positional order. Thus, they can be viewed as the three-dimensional counterpart of the twist grain boundary phases. A comparison with the optical activity of the classical blue phases is carried out, and an estimation of the BP Sm lattice parameter is reported for the first time.

Received 25 May 2001