Journal
OPTICS EXPRESS
Volume 25, Issue 24, Pages 30764-30770Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.25.030764
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Funding
- Ministry of Science and Technology, Taiwan, ROC [MOST 104-2221-E-009-130-MY3, 105-2221-E-009-096-MY2, 106-3114-E-009-004]
- National Science Centre Poland for OPUS grant [2015/17/B/ST3/00118]
- European Union Horizon research and innovation program under the Marie Sklodowska-Curie grant [644348]
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Designing color pixels using plasmonic nanostructures and metasurfaces has become a luring area of research in recent years. Here, we experimentally demonstrated the voltage tunability of a dynamic plasmonic color filter by using an aluminum grating integrated with the nematic liquid crystal (LC). Along with a typical substrate coated with rubbed polyimide film, the aluminum grating itself serves as a molecular alignment layer to form a twisted LC cell. This hybrid structure allows electrically controlled transmission color by applying the voltage. A significant spectral tunability of such a device has been demonstrated by applying the small voltage from 0 to 4 V-rms. (C) 2017 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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