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Liquid Crystals: Electrically Tuneable Liquid Crystal Photonic Bandgaps (Adv. Mater. 38–39/2009)
Author(s) -
Choi Su Seok,
Morris Stephen M.,
Huck Wilhelm T. S.,
Coles Harry J.
Publication year - 2009
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200990147
Subject(s) - materials science , liquid crystal , photonic crystal , broadband , optoelectronics , yablonovite , reflection (computer programming) , band gap , photonics , wavelength , visible spectrum , optics , photonic integrated circuit , physics , computer science , programming language
On p. 3915 , Stephen Morris and co‐workers demonstrate broadband wavelength tuning of a photonic bandgap that is electrically driven in a chiral nematic liquid crystal. Remarkably, this tuning is not only broadband but is found to occur without altering the reflection quality of the optical structure. In addition, under certain conditions, the helical structure can be made to exhibit multiple bandgaps across the visible spectrum.
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