Photonic nanojets and their applications

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71 Scopus citations


Dielectric microelements with circular symmetry have shown interesting optical properties: photonic nanojets (PNJs) and whispering gallery modes (WGMs). They can confine light inside the cavity, forming WGMs, or focus the light in their proximity, forming PNJs. Both WGMs and PNJs have found numerous applications, including sensing and imaging. In this work, a review of PNJs and their applications in contemporary literature is provided.

Original languageEnglish
Article number022001
JournalJPhys Photonics
Issue number2
StatePublished - Apr 2021


  • Focusing
  • Imaging
  • Mesoscale
  • Microelement
  • Microsphere
  • Photonics nanojet
  • Sensing


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