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Chiral Metamaterial Produces Record Optical Shift Under Incremental Power Modulation
Chiral Metamaterial Produces Record Optical Shift Under Incremental Power Modulation
2017/3/14
Georgia Institute of Technology researchers have demonstrated an optical metamaterial whose chiroptical properties in the nonlinear regime produce a significant spectral shift with power levels in the...
Penn Engineers Overcome a Hurdle in Growing a Revolutionary Optical Metamaterial
Penn Engineers Revolutionary Optical Metamaterial
2017/3/14
When John Crocker, a professor of chemical and biomolecular engineering in the University of Pennsylvania’s School of Engineering and Applied Science was a graduate student, his advisor...
Metamaterial device allows chameleon-like behavior in the infrared
Metamaterial device chameleon-like infrared
2016/11/4
An electric current will not only heat a hybrid metamaterial, but will also trigger it to change state and fade into the background like a chameleon in what may be the proof-of-concept of the first co...
Transmission-Line Metamaterial Design of an Embedded Line Source in a Ground Recess
Antenna radiation patterns metamaterials periodic structures transmission lines
2014/12/8
A transmission-line metamaterial design of a material-embedded electric line source radiating inside a ground recess is investigated. The media embedding the recessed line source are designed such tha...
Consideration of enhancement of thermal rectification using metamaterial models
Heat transfer Near-field Metamaterials Radiative Thermal rectification
2015/8/6
We present a systematic study to highlight some of the fundamental physics that governs metamaterial based electromagnetic thermal rectifiers. In such thermal rectifiers, the rectification arises from...
Upper Bound on the Modal Material Loss Rate in Plasmonic and Metamaterial Systems
Modal Material Loss Rate Plasmonic Metamaterial Systems
2015/8/7
A better understanding of optical loss in plasmonic and metamaterial systems is of increasing importance for both basic and applied research in a broad range of topics including sensors, antennas,opti...
Metamaterial band theory:fundamentals & applications
metamaterials photonic band theory plasmonics sensing active metamaterials
2015/8/7
Remarkable progress has been made over the past decade in controlling light propagation and absorption in compact devices using nanophotonic structures and metamaterials. From sensing and modulation,t...
Transverse Electromagnetic Modes in Aperture Waveguides Containing a Metamaterial with Extreme Anisotropy
Transverse Electromagnetic Modes Aperture Waveguides Containing Metamaterial Extreme Anisotropy
2015/8/10
We use metamaterials with extreme anisotropy to solve the fundamental problem of light transport in deep subwavelength apertures. By filling a simply connected aperture with an anisotropic mediu...
Complex k band diagrams of 3D metamaterial/photonic crystals
Complex k band diagrams 3D metamaterial photonic crystals
2011/9/9
A finite element method (FEM) for solving the complex valued k(w) vs. w dispersion curve of a 3D metamaterial/photonic crystal system is presented. This 3D method is a generalization of a previously r...
Transmission Through a Scalar Wave Three-Dimensional Electromagnetic Metamaterial and the Implication for Polarization Control
Metamaterial Scalar Wave Polarization Control
2015/8/10
An interweaving-conductor metamaterial (ICM) is a metamaterial composed of multiple, interlocking,conducting networks. It exhibits unusual optical properties in the low-frequency linear-dispersion reg...
A Summary of Recent Developments on Metamaterial-based and Metamaterial-inspired Efficient Electrically Small Antennas
Metamaterial-based Metamaterial-inspired Electrically Small Antennas
2009/7/28
This paper summarizes our recent research efforts to realize efficient electrically small antenna (EESA) systems based on ideal analytical and numerical metamaterial-based antenna systems, and physica...
Cut-Through Metal Slit Array as an Anisotropic Metamaterial Film
Cut-Through Metal Slit Array Anisotropic Metamaterial Film
2015/8/11
It has been shown that a metal film with a one dimensional array of subwavelength cut-through slits can be accurately modeled as an anisotropic and uniform metamaterial film with nondisper...