Communication “Advanced Optical Materials”

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Can Nanotubes Make a Lens Array?

  1. Ranjith Rajasekharan1,
  2. Haider Butt1,
  3. Qing Dai1,
  4. Timothy D. Wilkinson1,*,
  5. Gehan A. J. Amaratunga1,2

Article first published online: 9 MAY 2012

DOI: 10.1002/adma.201200296

Issue

Advanced Materials

Advanced Materials

Volume 24, Issue 23, pages OP170–OP173, June 19, 2012

Additional Information

How to Cite

Rajasekharan, R., Butt, H., Dai, Q., Wilkinson, T. D. and Amaratunga, G. A. J. (2012), Can Nanotubes Make a Lens Array?. Adv. Mater., 24: OP170–OP173. doi: 10.1002/adma.201200296

Author Information

  1. 1

    Department of Engineering, Centre of Molecular Materials for Photonics and Electronics, University of Cambridge, 9 J.J. Thomson Avenue, Cambridge CB3 0FA, UK

  2. 2

    Sri Lanka Institute of Nanotechnology (SLINTEC), Lot 14, Zone A, EPZ, Biyagama, Sri Lanka

*Department of Engineering, Centre of Molecular Materials for Photonics and Electronics, University of Cambridge, 9 J.J. Thomson Avenue, Cambridge CB3 0FA, UK.

Publication History

  1. Issue published online: 12 JUN 2012
  2. Article first published online: 9 MAY 2012
  3. Manuscript Received: 20 JAN 2012

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Keywords:

  • carbon nanotubes;
  • fresnel lens;
  • diffraction;
  • extremely black objects;
  • zones
Thumbnail image of graphical 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.

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