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 …

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 …

From Material to Cameras: Low‐Dimensional Photodetector Arrays on CMOS

S Ansari, S Bianconi, CM Kang, H Mohseni - Small Methods, 2024 - Wiley Online Library
The last two decades have witnessed a dramatic increase in research on low‐dimensional
material with exceptional optoelectronic properties. While low‐dimensional materials offer …

Influence of the background medium on imaging performance of microsphere-assisted super-resolution microscopy

A Darafsheh - Optics Letters, 2017 - opg.optica.org
We demonstrated the importance of the refractive index of the background medium
containing the microsphere in microsphere-assisted super-resolution microscopy. We …

Large-scale metasurfaces based on grayscale nanosphere lithography

H Zheng, Y Zhou, CF Ugwu, A Du, II Kravchenko… - Acs …, 2021 - ACS Publications
Metasurfaces, based on subwavelength structuring, provide a versatile platform for
wavefront manipulation in an ultrathin form factor. The manufacturing of metasurfaces …

Systematic study of the characteristics of the photonic nanojets formed by dielectric microcylinders

A Darafsheh, D Bollinger - Optics Communications, 2017 - Elsevier
We studied the characteristics of photonic nanojets formed by dielectric microcylinders over
the visible spectrum using FDTD numerical simulations. We varied a wide range of tuning …

Recent advancement on micro-/nano-spherical lens photolithography based on monolayer colloidal crystals

Z Zhang, C Geng, Z Hao, T Wei, Q Yan - Advances in colloid and interface …, 2016 - Elsevier
Highly ordered nanostructures have gained substantial interest in the research community
due to their fascinating properties and wide applications. Micro-/nano-spherical lens …

Terahertz tunable three-dimensional photonic jets

B Rezaei, B Yahyapour, A Darafsheh - Scientific reports, 2024 - nature.com
Highly localized electromagnetic field distributions near the “shadow-side” surface of certain
transparent mesoscale bodies illuminated by light waves are called photonic jets. We …

Microsphere-aided optical microscopy and its applications for super-resolution imaging

PK Upputuri, M Pramanik - Optics Communications, 2017 - Elsevier
The spatial resolution of a standard optical microscope (SOM) is limited by diffraction. In
visible spectrum, SOM can provide∼ 200 nm resolution. To break the diffraction limit several …

Highly-sensitive fluorescent detection of chemical compounds via photonic nanojet excitation

KA Sergeeva, MV Tutov, SS Voznesenskiy… - Sensors and Actuators B …, 2020 - Elsevier
A photonic nanojet phenomenon that is strong electromagnetic field local enhancement is
widely used for various optical tasks like surface-enhanced Raman scattering or surface …