Systematic study of the characteristics of the photonic nanojets formed by dielectric microcylinders

Arash Darafsheh, Douglas Bollinger

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

We studied the characteristics of photonic nanojets formed by dielectric microcylinders over the visible spectrum using FDTD numerical simulations. We varied a wide range of tuning parameters including the refractive indices of the microcylinder and the background medium, size and shape of the microcylinder, and wavelength and state of polarization of the incident light. Our results show how nanojets can be fine-tuned by adjusting these parameters. Our results have implications for high-resolution optical sensors and high-resolution imaging, and will inform on the design of novel microparticle-embedded optical devices.

Original languageEnglish
Pages (from-to)270-275
Number of pages6
JournalOptics Communications
Volume402
DOIs
StatePublished - Nov 1 2017

Keywords

  • Microcylinder
  • Microscopy
  • Photonic nanojet

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