Nature Communications (Jun 2020)

Visualizable detection of nanoscale objects using anti-symmetric excitation and non-resonance amplification

  • Jinlong Zhu,
  • Aditi Udupa,
  • Lynford L. Goddard

DOI
https://doi.org/10.1038/s41467-020-16610-0
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 12

Abstract

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The authors introduce the concept of electromagnetic canyons and non-resonance amplification for optical detection of nanoscale objects. They demonstrate that a pair of nanowire sensors enable detection of 25-nm radii objects with a standard widefield microscope.