All-dielectric concentration of electromagnetic fields at the nanoscale: the role of photonic nanojets

J Zhu, LL Goddard - Nanoscale Advances, 2019 - pubs.rsc.org
The photonic nanojet (PNJ) is a narrow high-energy beam that was originally found on the
back side of all-dielectric spherical structures. It is a unique type of energy concentration …

Nanopatterning with photonic nanojets: Review and perspectives in biomedical research

S Surdo, M Duocastella, A Diaspro - Micromachines, 2021 - mdpi.com
Nanostructured surfaces and devices offer astounding possibilities for biomedical research,
including cellular and molecular biology, diagnostics, and therapeutics. However, the wide …

Photonic nanojets and their applications

A Darafsheh - Journal of Physics: Photonics, 2021 - iopscience.iop.org
Dielectric microelements with circular symmetry have shown interesting optical properties:
photonic nanojets (PNJs) and whispering gallery modes (WGMs). They can confine light …

[PDF][PDF] Microsphere femtosecond laser sub-50 nm structuring in far field via non-linear absorption

Z Lin, K Liu, T Cao, M Hong - Opto-Electronic Advances, 2023 - researching.cn
Creation of arbitrary features with high resolution is critically important in the fabrication of
nano-optoelectronic devices. Here, sub-50 nm surface structuring is achieved directly on …

Optics Determines the Electrochemiluminescence Signal of Bead-Based Immunoassays

D Han, D Jiang, G Valenti, F Paolucci, F Kanoufi… - ACS …, 2023 - ACS Publications
Electrochemiluminescence (ECL) is an optical readout technique that is successfully applied
for the detection of biomarkers in body fluids using microbead-based immunoassays. This …

Recent progress in near-field nanolithography using light interactions with colloidal particles: from nanospheres to three-dimensional nanostructures

XA Zhang, IT Chen, CH Chang - Nanotechnology, 2019 - iopscience.iop.org
The advance of nanotechnology is firmly rooted in the development of cost-effective,
versatile, and easily accessible nanofabrication techniques. The ability to pattern complex …

Resolution and signal enhancement of Raman mapping by photonic nanojet of a microsphere

V Gašparić, D Ristić, H Gebavi, M Ivanda - Applied surface science, 2021 - Elsevier
The field of Raman spectroscopy is constantly under improvement by development of
methods of enhancement. One of the latest methods, based on photonic nanojet of a …

Ultralong photonic nanojet formed by dielectric microtoroid structure

B Zhang, J Hao, Z Shen, H Wu, K Zhu, J Xu, J Ding - Applied optics, 2018 - opg.optica.org
A photonic nanojet (PNJ) is a highly confined light beam formed by a transparent particle
under light wave illumination. Here, we propose and numerically investigate the PNJ formed …

Novel bilayer micropyramid structure photonic nanojet for enhancing a focused optical field

S Ge, W Liu, J Zhang, Y Huang, Y Xi, P Yang, X Sun… - Nanomaterials, 2021 - mdpi.com
In this paper, synthetically using refraction, diffraction, and interference effects to achieve
free manipulation of the focused optical field, we firstly present a photonic nanojet (PNJ) …

Microsphere photolithography with dynamic angular spectra control for metasurface fabrication

C Zhu, S Salinas-Sáenz, N Khadka, E Kinzel - Optics Express, 2024 - opg.optica.org
Microsphere photolithography (MPL) is a promising technique for cost-effective fabrication of
large-scale metasurfaces. This approach generates an array of photonic jets by the …