Single gradientless light beam drags particles as tractor beams

A Novitsky, CW Qiu, H Wang - Physical review letters, 2011‏ - APS
Usually a light beam pushes a particle when the photons act upon it. We investigate the
optical forces by nonparaxial gradientless beams and find that the forces can drag suitable …

Thermal transparency with the concept of neutral inclusion

X He, L Wu - Physical Review E—Statistical, Nonlinear, and Soft …, 2013‏ - APS
The concept of the electromagnetic wave transparency is introduced into the thermal field.
The conditions of the thermal transparency for a multilayered sphere with isotropic coatings …

Numerical design of a metasurface-based ultra-narrow band terahertz perfect absorber with high Q-factors

Z Geng, W Su, X Wang, Y Jiang, Y Liu - Optik, 2019‏ - Elsevier
An ultra-narrow band perfect absorber based on metasurface for terahertz frequency has
been designed and simulated numerically by the finite-difference time-domain method. This …

Ultrawideband electromagnetic metamaterial absorber utilizing coherent absorptions and surface plasmon polaritons based on double layer carbon metapatterns

Y Kim, P Park, J Jo, J Lee, L Jeong, J Shin, JH Lee… - Scientific Reports, 2021‏ - nature.com
An ultrawideband electromagnetic metamaterial absorber is proposed that consists of
double-layer metapatterns optimally designed by the genetic algorithm and printed using …

Materials with constant anisotropic conductivity as a thermal cloak or concentrator

T Chen, CN Weng, YL Tsai - Journal of Applied Physics, 2015‏ - pubs.aip.org
An invisibility cloak based on transformation optics often requires material with
inhomogeneous, anisotropic, and possibly extreme material parameters. In the present …

A thermal-electric cloak via nonlinear transformation

M Ahsan, F Sun - IEEE Photonics Journal, 2023‏ - ieeexplore.ieee.org
A thermal-electric invisibility cloaking is designed by a nonlinear transformation, which can
guide both electric current and heat flux around the concealed region and restore their …

Anomalous absorption, plasmonic resonances, and invisibility of radially anisotropic spheres

H Wallén, H Kettunen, A Sihvola - Radio Science, 2015‏ - ieeexplore.ieee.org
This article analyzes the response of a sphere with radially anisotropic permittivity dyadic
(RA sphere), in both the electrostatic and full electrodynamic settings. Depending on the …

Cloaking and magnifying using radial anisotropy

H Kettunen, H Wallén, A Sihvola - Journal of Applied Physics, 2013‏ - pubs.aip.org
This paper studies the electrostatic responses of a polarly radially anisotropic cylinder and a
spherically radially anisotropic sphere. For both geometries, the permittivity components …

Electromagnetic scattering by a general rotationally symmetric inhomogeneous anisotropic sphere

GP Zouros, GC Kokkorakis - IEEE Transactions on Microwave …, 2015‏ - ieeexplore.ieee.org
In this work, the electromagnetic scattering in general rotationally symmetric
inhomogeneous anisotropic spheres is investigated. A rigorous full-wave solution is …

Anisotropic scattering effects of a gyrotropic sphere characterized using the T-matrix method

JLW Li, WL Ong, KHR Zheng - Physical Review E—Statistical, Nonlinear, and …, 2012‏ - APS
Solutions for characterizing both electromagnetic wave propagation in, and scattering by, a
gyrotropic sphere are obtained based on some recently published literature. Both gyrotropic …