Molecular Engineering Of High Birefringence Liquid Crystals
XV CONFERENCE ON LIQUID CRYSTALS(2003)
摘要
Several linearly conjugated isothiocyanato (NCS) tolanes, biphenyl-tolanes and bistolanes were synthesized and their properties evaluated. Eutectic mixtures compromising these compounds were formulated. The temperature dependent birefringence, visco-elastic coefficient and figure-of-merit were measured. These isothiocyanato tolane mixtures exhibit a favorably high figure of merit at elevated temperatures. Potential applications of these mixtures for laser beam steering, tunable-focus lens and telecom variable optical attenuator are emphasized.
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关键词
liquid crystal,telecommunications,engineering,liquid crystals,lasers,birefringence,beam steering,figure of merit,lenses
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