Generalized Lorenz--Mie theories and mechanical effects of laser light, on the occasion of Arthur Ashkin's receipt of the 2018 Nobel prize in physics for his pioneering …

G Gouesbet - Journal of Quantitative Spectroscopy and Radiative …, 2019 - Elsevier
Among the many works of Arthur Ashkin, many have been devoted to optical tweezers,
optical levitation and optical manipulation of macroscopic particles (“macroscopic” being …

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 …

Development of 3D Microstructures for the Formation of a Set of Optical Traps on the Optical Axis

DA Savelyev, SV Karpeev - Photonics, 2023 - mdpi.com
Three-dimensional (3D) microstructures used in the formation of optical traps on the optical
axis in the near diffraction zone are calculated and studied. Subwavelength, variable-height …

Unified treatment of nonlinear optical force in laser trap** of dielectric particles of varying sizes

A Devi, AK De - Physical Review Research, 2021 - APS
Optical trap** using laser tweezer has revolutionized the field of force spectroscopy
having enormous applications in biological manipulation. While a number of theories were …

Generalized description of the nonlinear optical force in laser trap** of dielectric nanoparticles

A Devi, AK De - Physical Review Research, 2020 - APS
A general description to estimate optical trap** efficiencies for dielectric nanoparticles
using dipole approximation is presented including the effect of optical nonlinearity. We show …

Synergistic effect of Fano resonance and optical nonlinearity in laser trap** of silver nanoparticles

S Yadav, A Devi, AK De - Physical Review A, 2020 - APS
Optical trap** efficiency for silver nanoparticles is theoretically estimated using dipole
approximation and generalized Lorenz-Mie theory, including higher-order optical nonlinear …

Dynamics of a dielectric microsphere inside a nonlinear laser trap

A Devi, S Yadav, AK De - Applied Physics Letters, 2020 - pubs.aip.org
The 2018 Nobel Prize in Physics was awarded for the invention of optical trap** and
generation of ultrashort pulses, which revolutionized many areas of modern science and …

Generalized Lorenz-Mie theory for the reversal of optical force in a nonlinear laser trap

A Devi, AK De - Physical Review A, 2020 - APS
Hybrid nanoparticles have gained intense attention in the field of optical trap** due to their
potential wide-ranging applications, for example, in drug delivery. The utility of the optical …

A table-top compact multimodal nonlinear laser tweezer

A Devi, AK De - Optics Communications, 2021 - Elsevier
There is presently an increased research activity in understanding the nature of optical force
when ultrashort pulsed excitation is used to trap and manipulate objects with sizes ranging …

Alternate analytic formulation of optical force on a dielectric sphere in the ray optics limit

A Devi, AK De - JOSA B, 2018 - opg.optica.org
In the past, the optical force on a micrometer-sized dielectric sphere in a single-beam
gradient laser trap was formulated by considering 2D distribution of rays for a plane-wave …