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Conferences > CLEO_QELS > 2013 > JTu4A > JTu4A.76

Electric control of reflection in metamaterial - twisted nematics liquid crystal cell structure

Y. U. Lee, J. Kim, J. H. Woo, E. Choi, E. S. Kim, and J. W. Wu

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Abstract

We fabricated an electrically tunable metamaterial based on twisted nematics liquid crystal cell, where polarization dependent reflectance of the metamaterial can be controlled via applied voltage. When the metamaterial-twisted nematics liquid crystal cell is driven with a voltage above the threshold, optical reflection of the cell has changed. Our result provides the possibility of tuning the frequency selective properties of metamaterials by applied voltage.

© 2013 Optical Society of America

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