Optical forces in the t-matrix formalism

P Polimeno, R Saija, CDE Boschi… - Atti della Accademia …, 2019 - cab.unime.it
Optical tweezers are a crucial tool for the manipulation and characterisation, without
mechanical contact, of micro-and nanoparticles, ranging from biological components, such …

An active fractional Ornstein–Uhlenbeck particle: diffusion and dissipation

NA Rangaig - Journal of Statistical Mechanics: Theory and …, 2024 - iopscience.iop.org
In this work, we consider a particle subjected to active fluctuations due to the presence of an
active bath. The active fluctuation driving the particle is modeled as an Ornstein–Uhlenbeck …

Two-laser optical tweezers with a blinking beam

W Lamperska, J Masajada, S Drobczyński… - Optics and Lasers in …, 2017 - Elsevier
We report on a two-laser holographic optical tweezers setup and present its two major
advantages over single-laser one. First, the trap stiffness of a weak trapping beam can be …

Interfaz gráfica para el análisis de las fuerzas de captura en una pinza óptica usando las aproximaciones de Rayleigh y Mie

DP Amaya, NAA Hernandez… - Bistua Revista de la …, 2016 - revistas.unipamplona.edu.co
En este trabajo se desarrolla una Interfaz Gráfica de Usuario en el software MATLAB, que
facilita el análisis de las fuerzas de la luz responsables de la captura de esferas dieléctricas …

Optical tweezers for trapping in a microfluidic environment

R Kampmann, S Sinzinger, JG Korvink - Applied Optics, 2018 - opg.optica.org
Optical tweezers use the force from a light beam to implement a precise gripping tool. Based
purely on an optical principle, it works without any bodily contact with the object. In this …

Refractive index determination of buffer solutions from visible to near-infrared spectral range for multispectral quantitative phase imaging using a calibrated Abbe …

Á Barroso, R Radhakrishnan, S Ketelhut… - … Phase Imaging V, 2019 - spiedigitallibrary.org
Information about the refractive index difference between a biological material and its
surrounding medium is of key importance in various research fields in biophotonics …

Beyond the hookean spring model: Direct measurement of optical forces through light momentum changes

A Farré, F Marsà, M Montes-Usategui - Optical Tweezers: Methods and …, 2017 - Springer
The ability to measure forces in the range of 0.1–100 pN is a key feature of optical tweezers
used for biophysical and cell biological studies. Analysis of the interactions between …

A hierarchical Bayesian linear regression model with local features for stochastic dynamics approximation

B Parsa, K Rajasekaran, F Meier… - arXiv preprint arXiv …, 2018 - arxiv.org
One of the challenges in model-based control of stochastic dynamical systems is that the
state transition dynamics are involved, and it is not easy or efficient to make good-quality …

Effective temperature for an intermittent bistable potential

MJY Jerez, NA Rangaig, MNP Confesor - The Journal of Chemical …, 2023 - pubs.aip.org
Thermodynamics of far-from-equilibrium systems often require measurement of effective
parameters such as temperature. Whether such approach is valid for the general case of …

Calculation of optical forces for arbitrary light beams using the Fourier ray method

M Shao, S Zhang, J Zhou, YX Ren - Optics Express, 2019 - opg.optica.org
The ray-optics (RO) model is a reasonable method to calculate optical force in geometrical
optics regime. However, the RO model fails to calculate the optical force produced by …