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Seo, Kwanyong
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  • Flexible solar cell, transparent solar cell, PV-battery hybrid system, hetero-junction solar cell

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Chromatic Plasmonic Polarizers for Active Visible Color Filtering and Polarimetry

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Title
Chromatic Plasmonic Polarizers for Active Visible Color Filtering and Polarimetry
Other Titles
Chromatic Plasmonic Polarizers for Active Visible Color Filtering and Polarimetry
Author
Ellenbogen, TalSeo, KwanyongCrozier, Kenneth B.
Keywords
color pixels; localized surface plasmons; Nano antennas; plasmonic color filters; polarimetry; tunable color filters
Issue Date
2012-02
Publisher
AMER CHEMICAL SOC
Citation
NANO LETTERS, v.12, no.2, pp.1026 - 1031
Abstract
Color filters are widely used in color displays, optical measurement devices, and imaging devices. Conventional color filters have usually only one fixed output color. However developing active color filters with controllable color output can lead to more compact and sophisticated color filter-based devices and applications. Recent progress in nano-technology and new knowledge of the interaction of light with metal nanostructures allow us to capture and control light better than ever. Here we use it to fabricate active color filters, based on arrays of metallic optical nanoantennas that are tailored to interact with light at visible frequencies via excitation of localized surface plasmons. This interaction maps the polarization state of incident white light to visible color. Similarly, it converts unpolarized white light to chromatically polarized light. We experimentally demonstrate a wide range of applications including active color pixels, chromatically switchable and invisible tags, and polarization imaging based on these engineered colored metasurfaces
URI
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DOI
10.1021/nl204257g
ISSN
1530-6984
Appears in Collections:
ECHE_Journal Papers
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