Modulating the trapping and manipulation of semiconductor particles using Bessel beam optical tweezers
We show that the optical trapping and manipulation of spherical-shaped semiconductor
(germanium) particles can be strongly modulated and controlled using optical tweezers …
(germanium) particles can be strongly modulated and controlled using optical tweezers …
Use of Organic Semiconductors as Handles for Optical Tweezers Experiments: Trapping and Manipulating Polyaniline (PANI) Microparticles
KM Oliveira, TA Moura, JLC Lucas… - ACS Applied Polymer …, 2023 - ACS Publications
Here we propose the use of the organic semiconductor polyaniline (PANI) for the
preparation of spherical-shaped microparticles to serve as handles in optical tweezers (OT) …
preparation of spherical-shaped microparticles to serve as handles in optical tweezers (OT) …
Bessel beam optical tweezers for manipulating superparamagnetic beads
We propose a Bessel beam optical tweezers setup that can stably trap superparamagnetic
beads. The trap stiffness measured is practically independent of the radius of the Bessel …
beads. The trap stiffness measured is practically independent of the radius of the Bessel …
[HTML][HTML] A new spin on Ashkin's laser trapping forces in the ray optics regime
Q Yu, BM Hennelly - Optics and Lasers in Engineering, 2023 - Elsevier
We repeat the derivation of the forces of a single-beam gradient laser trap on a dielectric
sphere in the ray optics regime as first reported by Ashkin; in this case, however, we …
sphere in the ray optics regime as first reported by Ashkin; in this case, however, we …
Optothermal Microparticle Oscillator Induced by Marangoni and Thermal Convection
C Meng, F Lu, NQ Zhang, J Zhou, P Yu, MC Zhong - Langmuir, 2024 - ACS Publications
The light-fueled microparticle oscillator, exemplifying sustained driving in a static light
source, potentially holds applications in fundamental physics, cellular manipulation, fluid …
source, potentially holds applications in fundamental physics, cellular manipulation, fluid …
Silicon microparticles as handles for optical tweezers experiments
We study the behavior of silicon microparticles in a 1064 nm Gaussian-beam optical
tweezers, showing that this semiconductor can be used to perform different types of optical …
tweezers, showing that this semiconductor can be used to perform different types of optical …
Negative orbital Hall effect in Germanium
Our investigation reveals a groundbreaking discovery of a negative inverse orbital Hall effect
(IOHE) in Ge thin films. We employed the innovative orbital pumping technique where spin …
(IOHE) in Ge thin films. We employed the innovative orbital pumping technique where spin …
Optical trapping and manipulation of fluorescent polymer-based nanostructures: measuring optical properties of materials in the nanoscale range
TA Moura, ML Júnior, CHV da Silva… - arXiv preprint arXiv …, 2023 - arxiv.org
We present a novel approach to determine the optical properties of materials in the
nanoscale range using optical tweezers (OT). Fluorescent polymer-based nanostructures …
nanoscale range using optical tweezers (OT). Fluorescent polymer-based nanostructures …
Transverse optical binding for a dual dipolar dielectric nanoparticle dimer
The physical origins of the transverse optical binding force and torque beyond the Rayleigh
approximation have not been clearly expressed to date. Here, we present analytical …
approximation have not been clearly expressed to date. Here, we present analytical …
Estimation of Optical Trapping Forces with the Eikonal Function
Q Yu - 2023 - mural.maynoothuniversity.ie
An optical trap, also known as an optical tweezer, is a scientific instrument that uses a highly
focused laser beam to trap and manipulate microscopic particles, such as cells or individual …
focused laser beam to trap and manipulate microscopic particles, such as cells or individual …