Chiral organic compounds in induced cholesteric mesophases

Lidiya A. Kutulya

doi:10.1117/12.323688

23 September 1998 Chiral organic compounds in induced cholesteric mesophases

Lidiya A. Kutulya

Proceedings Volume 3488, Nonlinear Optics of Liquid and Photorefractive Crystals II; (1998) https://doi.org/10.1117/12.323688
Event: International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, 1997, Partenit, Crimea, Ukraine

Abstract

The results of original investigations being in touch with regularities of the chiral components molecular structure effect on the properties of induced cholesteric mesophases were generalized. It was shown that presence of an elongate (pi) -electron fragment in the chiral dopants molecules is general requirement of high helical twisting power ((beta) ). (beta) values and the character of temperature dependences of induced helical pitch are significantly effected by molecular shape of chiral dopants. Variation of the extent of (pi) -electron fragment anisometry, and also incorporation and variation of terminal alkyl or alkoxyl groups at chiral dopants molecules are useful approach to a regulation of temperature dependences of induced cholesteric helix pitch. Influence on thermal stability of mesophases of different types of chiral dopants was analyzed.

Citation Download Citation

Lidiya A. Kutulya "Chiral organic compounds in induced cholesteric mesophases", Proc. SPIE 3488, Nonlinear Optics of Liquid and Photorefractive Crystals II, (23 September 1998); https://doi.org/10.1117/12.323688

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