Broadband plasmonic microlenses based on patches of nanoholes

Hanwei Gao, Jerome K. Hyun, Min Hyung Lee, Jiun Chan Yang, Lincoln J. Lauhon, Teri W Odom

Research output: Contribution to journalArticle

94 Citations (Scopus)

Abstract

This paper reports a new type of diffractive microlens based on finite-areas of two-dimensional arrays of circular nanoholes (patches). The plasmonic microlenses can focus single wavelengths of light across the entire visible spectrum as well as broadband white light with little divergence. The focal length is determined primarily by the overall size of the patch and is tolerant to significant changes in patch substructure, including lattice geometry and local order of the circular nanoholes. The optical throughput, however, depends sensitively on the patch substructure and is determined by the wavelengths of surface plasmon resonances. This simple diffractive lens design enables millions of broadband plasmonic microlenses to be fabricated in parallel using soft nanolithographic techniques.

Original languageEnglish
Pages (from-to)4111-4116
Number of pages6
JournalNano Letters
Volume10
Issue number10
DOIs
Publication statusPublished - Oct 13 2010

Fingerprint

Microlenses
substructures
broadband
lens design
Wavelength
Surface plasmon resonance
visible spectrum
surface plasmon resonance
wavelengths
Lenses
divergence
Throughput
Geometry
geometry

Keywords

  • microlens arrays
  • nanohole arrays
  • plasmonic lenses
  • soft nanolithography
  • Surface plasmons

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanical Engineering

Cite this

Gao, H., Hyun, J. K., Lee, M. H., Yang, J. C., Lauhon, L. J., & Odom, T. W. (2010). Broadband plasmonic microlenses based on patches of nanoholes. Nano Letters, 10(10), 4111-4116. https://doi.org/10.1021/nl1022892

Broadband plasmonic microlenses based on patches of nanoholes. / Gao, Hanwei; Hyun, Jerome K.; Lee, Min Hyung; Yang, Jiun Chan; Lauhon, Lincoln J.; Odom, Teri W.

In: Nano Letters, Vol. 10, No. 10, 13.10.2010, p. 4111-4116.

Research output: Contribution to journalArticle

Gao, H, Hyun, JK, Lee, MH, Yang, JC, Lauhon, LJ & Odom, TW 2010, 'Broadband plasmonic microlenses based on patches of nanoholes', Nano Letters, vol. 10, no. 10, pp. 4111-4116. https://doi.org/10.1021/nl1022892
Gao H, Hyun JK, Lee MH, Yang JC, Lauhon LJ, Odom TW. Broadband plasmonic microlenses based on patches of nanoholes. Nano Letters. 2010 Oct 13;10(10):4111-4116. https://doi.org/10.1021/nl1022892
Gao, Hanwei ; Hyun, Jerome K. ; Lee, Min Hyung ; Yang, Jiun Chan ; Lauhon, Lincoln J. ; Odom, Teri W. / Broadband plasmonic microlenses based on patches of nanoholes. In: Nano Letters. 2010 ; Vol. 10, No. 10. pp. 4111-4116.
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