Results 171 to 180 of about 56,269 (249)

Dual-Band Perfect Metamaterial Absorber Based on an Asymmetric H-Shaped Structure for Terahertz Waves [PDF]

open access: gold, 2018
Taiguo Lu   +7 more
openalex   +1 more source

Graded Plasmonic Metagratings for Directional Nonlinear Optical Sensing

open access: yesAdvanced Optical Materials, EarlyView.
A refractometric sensing approach is presented, based on the angular variation of the emission pattern while changing the local environment. This method is first demonstrated on rectangular arrays, then on an aperiodic metagrating configuration designed to shape the first diffraction orders into a broadened band. Abstract Plasmon‐enhanced sensing based
Augustin Verneuil   +6 more
wiley   +1 more source

Reverse Design of Three-Band Terahertz Metamaterial Sensor. [PDF]

open access: yesNanomaterials (Basel)
Ge H   +9 more
europepmc   +1 more source

Next Generation of Thermal Barrier Coatings with High Temperature Metal‐Silicide Metamaterials

open access: yesAdvanced Optical Materials, EarlyView.
Thermal metamaterials have emerged as a powerful platform in the engineering of radiative heat transfer across a broad range of applications, including thermal imaging, passive cooling, and thermo‐photovoltaics. Here, a novel application is presented for metamaterials: thermal dual barrier coatings (TDBCs).
Ali Jishi   +15 more
wiley   +1 more source

Achieving 100% amplitude modulation depth in the terahertz range with graphene-based tuneable capacitance metamaterials. [PDF]

open access: yesLight Sci Appl
Xia R   +14 more
europepmc   +1 more source

Nonlinear Transmission of Strong THz‐Electric Fields Through Thin Gold Films

open access: yesAdvanced Optical Materials, EarlyView.
Gold is is the prime metal for imaging THz radiation. This study demonstrates that the interaction of strong THz pulses with gold becomes nonlinear at certain peak THz‐electric field strengths. The strong fields change the electron density of states which contributing to the absorption of the propagating THz pulse.
Rokas Jutas   +6 more
wiley   +1 more source

Study on the double negativity in deformed single-phase chiral metamaterials under tensile loads [PDF]

open access: hybrid
Jun Wang   +6 more
openalex   +1 more source

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