Articles with "pnj" as a keyword



Experimental Demonstration of Collective Photonic Nanojet Generated by Densely Packed Arrays of Dielectric Microstructures

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Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202401259

Abstract: Uncovering new ways for light localization at the micro‐ and nanoscale is essential for the development of state‐of‐the‐art photonic devices. Nowadays the most advances in this area are achieved using near‐field resonators, providing extreme light… read more here.

Keywords: pnj; densely packed; localization; dielectric microstructures ... See more keywords

Overcoming refractive index limit of mesoscale light focusing by means of specular-reflection photonic nanojet.

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Published in 2020 at "Optics letters"

DOI: 10.1364/ol.398367

Abstract: The physical origin of subwavelength photonic nanojet in specular-reflection mode (s-PNJ) is theoretically considered. This specific type of photonic nanojet (PNJ) emerges upon double focusing of a plane optical wave by a transparent dielectric microparticle… read more here.

Keywords: specular reflection; refractive index; photonic nanojet; pnj ... See more keywords

To generate a photonic nanojet outside a high refractive index microsphere illuminated by a Gaussian beam.

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Published in 2022 at "Optics letters"

DOI: 10.1364/ol.459001

Abstract: A non-resonant, concentrated, narrow beam of light emerging from an illuminated microlens is called a photonic nanojet (PNJ). According to currently prevailing opinion, microspheres and microcylinders are only able to generate a PNJ in their… read more here.

Keywords: index; photonic nanojet; refractive index; pnj ... See more keywords