Can nanotubes make a lens array?

Ranjith Rajasekharan, Haider Butt, Qing Dai, Timothy D. Wilkinson, Gehan A J Amaratunga, Haider Butt

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

Reflective binary Fresnel lenses fabricated so far all suffer from reflections from the opaque zones and hence degradation in focusing and lensing properties. Here a solution is found to this problem by developing a carbon nanotube Fresnel lens, where the darkest man-made material ever, i.e., low-density vertically aligned carbon nanotube arrays, are exploited.

Original languageEnglish
JournalAdvanced Materials
Volume24
Issue number23
DOIs
Publication statusPublished - 19 Jun 2012

Keywords

  • carbon nanotubes
  • diffraction
  • extremely black objects
  • fresnel lens
  • zones

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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