Laser directed writing of flat lenses on buckypaper

Sunan Deng, Pavel Penchev, Jian Liu, Yongjing Wang, Kyle Jiang, Stefan Dimov, Zhichun Zhang, Yanju Liu, Jinsong Leng, Haider Butt*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)
235 Downloads (Pure)

Abstract

Laser directed patterning of carbon nanotubes-based buckypaper for producing a diffractive optical device is presented here. Using a laser ablation method the buckypaper was patterned into a binary Fresnel zone plate lens. Computational modelling was performed which revealed excellent focusing performance of the lens for both visible and THz radiations. SEM and Raman measurements of the lens were studied to analyse the laser–material interaction. The focusing properties of the lens were characterized and a good agreement with the simulations was achieved. Hence, we exploited a new way to fabricate thin flat lens. The one-step fabrication process is economical, convenient and has great potential for industrial scale up.
Original languageEnglish
Pages (from-to)12405-12410
Number of pages6
JournalNanoscale
Volume7
Issue number29
Early online date23 Jun 2015
DOIs
Publication statusPublished - 7 Aug 2015

ASJC Scopus subject areas

  • General Materials Science

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