Characteristic parameters of photonic nanojets of single dielectric microspheres illuminated by focused broadband radiation

A Mandal, P Tiwari, PK Upputuri, VR Dantham - Scientific Reports, 2022 - nature.com
Herein, we report the theoretical investigation on the photonic nanojets (PNJs) of single
dielectric microspheres illuminated by focused broadband radiation (polychromatic light) …

Curved photonic nanojet generated by a rotating cylinder

H Tang, R Li, S Gong, L Yang, L Yang, B Wei, Z Zhu… - Optics …, 2023 - opg.optica.org
The curved photonic nanojet (CPNJ) produced due to the interaction between a dielectric
circular cylinder rotating at a stable angular velocity and a plane wave is investigated. Based …

Short and elongated photonic nanojets emerged from single solid/hollow core-shell microparticles illuminated by focused Gaussian beams and plane wave

A Mandal, VR Dantham - Journal of Quantitative Spectroscopy and …, 2020 - Elsevier
For the first time, herein, we report the theoretical investigation on short and elongated
photonic nanojets (PNJs) generated by single solid/hollow core-shell microparticles …

Photonic nanojet generation under converging and diverging beams

M Yousefi, T Scharf, M Rossi - JOSA B, 2021 - opg.optica.org
In practical applications of the photonic nanojet (PNJ), a microscope objective can be used
to illuminate a microsphere. Under such conditions, it is difficult to determine the absolute …

Photonic Jets and Single‐Photon Emitters

A Ristori, M Felici, G Pettinari, L Pattelli… - Advanced Photonics …, 2022 - Wiley Online Library
Photonic jets (PJs) obtained by illuminating a dielectric microsphere have recently shown to
provide an efficient and cost‐effective means of laser‐writing and localizing single‐photon …

Whispering gallery mode resonance contribution in photonic nanojet simulation

Y Zihan, L Sylvain - Optics Express, 2021 - opg.optica.org
A photonic nanojet is a highly localized electromagnetic propagative beam in the shadow
side of a dielectric micro-particle. This concept was introduced in a famous paper by Chen et …

Photonic nanojet of a Gaussian beam illuminated low refractive index microsphere in air: A comprehensive variation of parameters

V Gašparić, D Ristić, TG Mayerhöfer, N Baran… - Journal of Quantitative …, 2022 - Elsevier
A photonic nanojet (PNJ) is a narrow beam of concentrated light emerging from the
illuminated micro-scattering objects, which has attracted a lot of attention lately. However, so …

[HTML][HTML] Photonic nanojet generated by a spheroidal particle illuminated by a vector Bessel beam

Y Jia, R Li, W Zhuang, J Liang - Results in Optics, 2021 - Elsevier
The photonic nanojet (PNJ) produced by a vector Bessel beam irradiating a dielectric
spheroidal particle is investigated using the Discrete Dipole Approximation. The influence of …

Enhancement of Raman signal of monolayer graphene films using a single optical microsphere-assisted Raman microscopic technique

A Sharma, VR Dantham - Spectrochimica Acta Part A: Molecular and …, 2023 - Elsevier
For the first time, we report the enhancement of the Raman scattering signal of monolayer
graphene films (MGFs) on Cu foils using a single optical microsphere-assisted Raman …

Calculations of Photoinduced Heat Generation and Transfer from Fe3O4 Nanoparticles for Photothermal Therapies

S Roy, P Patar, VR Dantham - ACS Applied Nano Materials, 2025 - ACS Publications
Herein, we report a detailed theoretical investigation of the generation and transfer of heat
from single spherical-shaped solid Fe3O4 nanoparticles under optical illumination. Initially …