Results 111 to 120 of about 10,498 (267)
Designing powerful electromagnetic wave modulators is required for the advancement of optical communication technology. In this work, we study how to efficiently modulate the amplitude of electromagnetic waves in near-infrared region, by the interactions
Yiqun Ji +6 more
doaj +1 more source
Fractional Effective Charges and Misner-Wheeler Charge without Charge Effect in Metamaterials
Transformation optics enables engineering of the effective topology and dimensionality of the optical space in metamaterials. Nonlinear optics of such metamaterials may mimic Kaluza-Klein theories having one or more kinds of effective charges.
Igor Smolyaninov
doaj +1 more source
Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang +9 more
wiley +1 more source
An efficient closed-loop design framework for additive manufacturing of multiphysical metamaterials
Achieving multifunctionality has long been a key objective in the development of functional materials. Metamaterials have emerged as a promising solution due to their exceptional ability to manipulate physical fields. However, current metamaterial design
Xiaochang Xing +7 more
doaj +1 more source
Recent Advances in Programmable Metasurfaces and Meta‐Devices
Programmable metasurfaces enable various novel functionalities by dynamically tuning electromagnetic wavefronts. This article provides a comprehensive review of recent advances in microwave and terahertz programmable metasurfaces, covering electrical, thermal, optical, and mechanical control mechanisms.
Linda Shao +4 more
wiley +1 more source
Manipulating scattering features by metamaterials
We present a review on manipulations of electromagnetic scattering features by using metamaterials or metasurfaces. Several approaches in controlling the scattered fields of objects are presented, including invisibility cloaks and radar illusions based ...
Lu Cui +3 more
doaj +1 more source
Numerical analysis of focusing by a metamaterial lens
Over the last several years there has been a surge of interest in artificial materials because of their potential to expand the range of electromagnetic properties in materials.
Russer, Peter +2 more
core
Electromagnetic Emergence in Metamaterials [PDF]
This chapter focuses on the emergent electromagnetic properties in such heterogeneous materials that are, in today’s discussion, being more and more often called “metamaterials.” More precisely, the very concept of metamaterial is under study as also are the preconditions under which such a term is appropriate.
openaire +1 more source
2D Materials Empowered Radar Absorbing Materials: A Review
Recent progress in 2D materials empowered radar absorbing materials (RAMs) is reviewed, highlighting four key structural design strategies that enhance electromagnetic wave absorption. Porous structures, heterogeneous interfaces, printed metamaterials, and tunable metasurfaces are compared in terms of their governing physics, fabrication complexity ...
Yujie Zhong +4 more
wiley +1 more source
Planar designs for electromagnetically induced transparency in metamaterials
11 pages, 8 ...
Tassin, Philippe +4 more
openaire +4 more sources

