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Keywords:

  • bipyramids;
  • nanoantennas;
  • orientation;
  • pattern imaging;
  • photoluminescence
Thumbnail image of graphical abstract

One-photon luminescence of single plasmonic nanoparticle is demonstrated by G. Lu, Q. Gong and co-workers to determine its 3D orientation using a direct emission pattern imaging technique. This is an efficient way, using macroscopically measurable optical signals, to explore a nanoscale structure nonperturbatively. The findings on page 335 show the technique's great potential for characterizing optical nanoantennas, for optical imaging and sensing in materials science and biological applications.