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 …

Resolution and reciprocity in microspherical nanoscopy: point-spread function versus photonic nanojets

AV Maslov, VN Astratov - Physical Review Applied, 2019 - APS
This paper pertains to a long-standing debate about the quantification criteria and
mechanisms of optical superresolution in microsphere-based nanoscopy. Its super …

T-matrix methods for electromagnetic structured beams: a commented reference database for the period 2014–2018

G Gouesbet - Journal of Quantitative Spectroscopy and Radiative …, 2019 - Elsevier
T-matrix methods for electromagnetic structured beams mainly encompass Generalized
Lorenz-Mie Theories (GLMTs) which form a set of analytical approaches dealing with the …

[HTML][HTML] Optical Microsphere Nano-Imaging: Progress and Challenges

G Wu, M Hong - Engineering, 2024 - Elsevier
The optical diffraction effect imposes a radical obstacle preventing conventional optical
microscopes from achieving an imaging resolution beyond the Abbe diffraction limit and …

Bilayer-film-decorated microsphere with suppressed interface reflection for enhanced nano-imaging

G Wu, Y Zhou, M Hong - Optics Express, 2022 - opg.optica.org
Microspheres as special optical lenses have extensive applications due to their super-
focusing ability and outstanding resolving power on imaging. The interface reflection …

Transmission Microsphere‐Assisted Dark‐Field Microscopy

S Perrin, H Li, K Badu, T Comparon… - physica status solidi …, 2019 - Wiley Online Library
Microsphere‐assisted microscopy allows the limit of the diffraction of light to overcome while
being non‐invasive, full‐field, label‐free, and easy‐to‐implement. However, the observation …

Effects of immersion depth on super-resolution properties of index-different microsphere-assisted nanoimaging

Y Zhou, Y Tang, Y He, X Liu, S Hu - Applied Physics Express, 2018 - iopscience.iop.org
In related applications of microsphere-assisted super-resolution imaging in biomedical
visualization and microfluidic detection, liquids are widely used as background media. For …

Selecting a proper microsphere to combine optical trapping with microsphere-assisted microscopy

X Liu, S Hu, Y Tang, Z Xie, J Liu, Y He - Applied Sciences, 2020 - mdpi.com
Microsphere-assisted microscopy serves as an effective super-resolution technique in
biological observations and nanostructure detections, and optical trapping is widely used for …

Reflective Substrate-Enhanced Microsphere-Assisted Dark-Field Microscopy

M Qi, M Zhang, D Wang, S Yang… - IEEE Photonics …, 2023 - ieeexplore.ieee.org
Low-contrast small dielectric objects weakly interact with photons and are difficult to detect
optically. In this study, we propose reflective substrate-enhanced microsphere-assisted dark …

Patterned microsphere-lens projection lithography using an electrohydrodynamic-jet-printing-assisted assembly

Y Zhong, H Yu, P Zhou, H Guo, T Zhao, H Luo… - Photonics …, 2024 - opg.optica.org
Microlens arrays have been widely used in the fields of micro-optics and micro-and
nanofabrication. Traditional preparation methods utilize commercial photoresists and …