Optical manipulation of soft matter

X Chen, Y Zhao, Y Zhang, B Li, Y Li, L Jiang - Small Methods, 2024 - Wiley Online Library
Optical manipulation has emerged as a pivotal tool in soft matter research, offering superior
applicability, spatiotemporal precision, and manipulation capabilities compared to …

A versatile interferometric technique for probing the thermophysical properties of complex fluids

G Verma, G Yadav, CS Saraj, L Li, N Miljkovic… - Light: Science & …, 2022 - nature.com
Laser-induced thermocapillary deformation of liquid surfaces has emerged as a promising
tool to precisely characterize the thermophysical properties of pure fluids. However …

Tunable Optofluidic Curvature for Micromanipulation

G Verma, G Yadav, Y Shi, LM Zhou… - Laser & Photonics …, 2024 - Wiley Online Library
Manipulating micro/nanoparticles on deformed liquid interfaces induced by radiation
pressure presents an active, non‐invasive, and contactless method. However, a significant …

Nanogap-induced phase control reveals the momentum of light inside the dielectric medium

G Verma, I Brevik, K Mehlawat, W Li - ACS Photonics, 2024 - ACS Publications
The deflection of a submerged mirror due to light pressure was used to compare competing
theories of light momentum inside a dielectric medium. In this case, a significant bottleneck …

Unveiling photon-driven nonlinear evaporation via liquid drop interferometry

G Verma, V Kumar, A Kumar, W Li - Optics Letters, 2024 - opg.optica.org
We investigated photomolecular-induced evaporation, wherein photons cleave off water
clusters near water–vapor interfaces, bypassing the typical thermal evaporation process …

Optofluidic resonance of a transparent liquid jet excited by a continuous wave laser

H Liu, Z Wang, L Gao, Y Huang, H Tang, X Zhao… - Physical review …, 2021 - APS
We report a new optofluidic resonating phenomenon that naturally links the optical radiation
pressure, total internal reflection, capillary wave, and Rayleigh-Plateau instability together …

Compact picometer-scale interferometer using twisted light

G Verma, G Yadav - Optics Letters, 2019 - opg.optica.org
We propose a simple compact interferometer using twisted light to detect picometer
displacement on a solid or liquid surface. The heart of the interferometer lies in producing a …

The microscopic Ampère formulation for the electromagnetic force density in linear dielectrics

B Anghinoni, M Partanen, NGC Astrath - The European Physical Journal …, 2023 - Springer
We present a detailed derivation of the electromagnetic force density and pressure in linear
dielectric media according to the so-called microscopic Ampère formulation, which …

A heuristic resolution of the Abraham–Minkowski controversy

G Feng, J Huang - The European Physical Journal Plus, 2021 - Springer
This paper reviews the history and origin of the Abraham–Minkowski controversy and points
out that it is a continuation of the controversy over the speed of light in medium. Upon …

Thin-film dynamics unveils interplay between light momentum and fluid mechanics

G Verma, G Yadav, W Li - Optics Letters, 2022 - opg.optica.org
We quantitatively measure the nanomechanical dynamics of a water surface excited by the
radiation pressure of a Gaussian/annular laser beam of incidence near total internal …