Fast Bayesian inference of optical trap stiffness and particle diffusion
Bayesian inference provides a principled way of estimating the parameters of a stochastic
process that is observed discretely in time. The overdamped Brownian motion of a particle …
process that is observed discretely in time. The overdamped Brownian motion of a particle …
Tunable emission and optical trapping of upconverting LiYF4: Yb, Er nanocrystal
Present work investigates about hydrothermally prepared LiYF 4: Yb, Er nanocrystals with
novel tunable emission and optical trapping results. Optical trapping effect of LiYF 4: Yb, Er …
novel tunable emission and optical trapping results. Optical trapping effect of LiYF 4: Yb, Er …
Enhanced directionality of active processes in a viscoelastic bath
Active fluctuations are known to play a significant role in the intracellular transport of passive
objects. However, the effect of viscoelasticity of the environment in shaping such processes …
objects. However, the effect of viscoelasticity of the environment in shaping such processes …
Inhomogeneous-spin-momentum-induced orbital motion of birefringent particles in tight focusing of vector beams in optical tweezers
Spin-orbit interaction (SOI) due to the tight focusing of light in optical tweezers has led to
exciting and exotic avenues towards inducing rotation in microscopic particles. However …
exciting and exotic avenues towards inducing rotation in microscopic particles. However …
Simultaneous detection of rotational and translational motion in optical tweezers by measurement of backscattered intensity
B Roy, SK Bera, A Banerjee - Optics letters, 2014 - opg.optica.org
We describe a simple yet powerful technique of simultaneously measuring both translational
and rotational motion of mesoscopic particles in optical tweezers by measuring the …
and rotational motion of mesoscopic particles in optical tweezers by measuring the …
Simultaneous random number generation and optical tweezers calibration employing a learning algorithm based on the brownian dynamics of a trapped colloidal …
True random number generators are in high demand for secure cryptographic algorithms.
Unlike algorithmically generated pseudo-random numbers they are unclonable and non …
Unlike algorithmically generated pseudo-random numbers they are unclonable and non …
Astigmatism-based displacement sensor powered by deep neural networks
SH Lee - Sensors and Actuators A: Physical, 2021 - Elsevier
As high-sensitivity sensors with astigmatism can be implemented with a compact volume,
they are widely used as detection sensors that measure qualitative changes on nano-and …
they are widely used as detection sensors that measure qualitative changes on nano-and …
Single-shot wideband active microrheology using multiple-sinusoid modulated optical tweezers
We employ multiple-sinusoid modulated optical tweezers to measure the frequency-
dependent rheological parameters of a linear viscoelastic fluid over five decades of …
dependent rheological parameters of a linear viscoelastic fluid over five decades of …
[HTML][HTML] Analysis of noise in differential and ratiometric biosensing systems
SA Abayzeed, RJ Smith, CW See… - Sensors and Actuators B …, 2018 - Elsevier
This paper presents formulations to evaluate noise in differential and ratiometric
measurements that are often performed in biosensing. These measurements are performed …
measurements that are often performed in biosensing. These measurements are performed …
Probing the dynamics of an optically trapped particle by phase sensitive back focal plane interferometry
The dynamics of an optically trapped particle are often determined by measuring intensity
shifts of the back-scattered light from the particle using position sensitive detectors. We …
shifts of the back-scattered light from the particle using position sensitive detectors. We …