Liquid Crystals: Electrically Switchable Diffraction Grating Using a Hybrid Liquid Crystal and Carbon Nanotube-Based Nanophotonic Device (Advanced Optical Materials 5/2013)

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Abstract

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T. D. Wilkinson and co-workers demonstrate a hybrid liquid crystal/carbon nanotube-based device which shows the capacity to perform as a switchable diffraction grating. On page 368, a liquid crystal layer is sandwiched between two electrodes (patterned into gratings). The bottom electrode consists of a 2D square array of carbon nanotubes on silicon, while the top electrode comprises an ITO-based in-plane switching electrode on glass. The device displays distinct voltage-dependent diffraction patterns due to the two different electrodes.

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