Comparison of photonic nanojets key parameters produced by nonspherical microparticles

Yuri E. Geints, Igor V. Minin, Ekaterina K. Panina, Alexander A. Zemlyanov, Oleg V. Minin

Результат исследований: Материалы для журналаСтатьярецензирование

10 Цитирования (Scopus)

Аннотация

Photonic nanojet (PNJ) phenomenon arising near transparent dielectric microparticles subject to plane wave illumination in the visible is considered. The near-field light scattering patterns produced by shaped wavelength-sized particles (hexahedron, cuboid, sphere, hemisphere, axicon, assembled particles) are numerically simulated and key PNJ parameters are analyzed. Particle shape influence on the peak intensity and spatial resolution of produced PNJ is investigated. We demonstrate that due to the reciprocal action of spherical-type and conical-type focusing of the special type of composite particles constituted of a hemisphere and an axicon can produce highly localized PNJ with peak intensity considerable higher than that for isolated regular particle (sphere, microaxicon, hemisphere).

Язык оригиналаАнглийский
Номер статьи118
ЖурналOptical and Quantum Electronics
Том49
Номер выпуска3
DOI
СостояниеОпубликовано - 1 мар 2017

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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