IBS Publications Repository: Subwavelength imaging in the visible range using a metal coated carbonnanotube forest

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Subwavelength imaging in the visible range using a metal coated carbonnanotube forest

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Title: Subwavelength imaging in the visible range using a metal coated carbonnanotube forest

Author(s): Choe J.-H.; Choi M.; Won Jun Lee; Kang B.; Kim J.; Seo M.K.; Min B.; Sang Ouk Kim; Choon-Gi Choi

Subject: Carbon nanotubes, ; Metal coatings, ; Double slits, ; Growing conditions, ; Imaging information, ; Metal-coated carbon nanotubes, ; Nano-lenses, ; Subwavelength imaging, ; Visible range, ; Wire medium, ; Forestry, ; Carbon, ; Coatings, ; Forestry

Abstract: We demonstrate subwavelength imaging in the visible range by using a metal coated carbon nanotube forest. Under 532 nm illumination, a 160 nm separated double slit is resolved. This corresponds to the resolution of 0.3 wavelength. By controlling the growing conditions and with the help of the microtoming technique, we made a dense carbon nanotube forest layer of 400 nm thickness. The metal coated carbon nanotube forest, acting as a wire medium nanolens, delivers imaging information including details in the evanescent fields near the objects. © 2014 the Partner Organisations.