Towards do-it-yourself planar optical components using plasmon-assisted etching

Hao Chen, Abdul M. Bhuiya, Qing Ding, Harley T. Johnson, Kimani C. Toussaint

Research output: Contribution to journalArticle

Abstract

In recent years, the push to foster increased technological innovation and basic scientific and engineering interest from the broadest sectors of society has helped to accelerate the development of do-it-yourself (DIY) components, particularly those related to low-cost microcontroller boards. The attraction with DIY kits is the simplification of the intervening steps going from basic design to fabrication, albeit typically at the expense of quality. We present herein plasmon-assisted etching as an approach to extend the DIY theme to optics, specifically the table-top fabrication of planar optical components. By operating in the design space between metasurfaces and traditional flat optical components, we employ arrays of Au pillar-supported bowtie nanoantennas as a template structure. To demonstrate, we fabricate a Fresnel zone plate, diffraction grating and holographic mode converter-all using the same template. Applications to nanotweezers and fabricating heterogeneous nanoantennas are also shown.

Original languageEnglish (US)
Article number10468
JournalNature communications
Volume7
DOIs
StatePublished - Jan 27 2016

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

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