Results 11 to 20 of about 1,895,079 (278)

Transformation-Optics-Designed Plasmonic Singularities for Efficient Photocatalytic Hydrogen Evolution at Metal/Semiconductor Interfaces. [PDF]

open access: yesNano Lett, 2023
Inspired by transformation optics, we propose a new concept for plasmonic photocatalysis by creating a novel hybrid nanostructure with a plasmonic singularity. Our geometry enables broad and strong spectral light harvesting at the active site of a nearby
Lin T   +10 more
europepmc   +8 more sources

Mirrored transformation optics

open access: yesOptics Letters, 2023
A mirrored transformation optics (MTO) approach is presented to overcome the material mismatch in transformation optics. It makes good use of the reflection behavior and introduces a mirrored medium to offset the phase discontinuities. Using this approach, a high-performance planar focusing lens of transmission type is designed, which has a larger ...
Junke Liao   +4 more
openaire   +4 more sources

Nontensorial Transformation Optics [PDF]

open access: yesPhysical Review Applied, 2016
C.G.-M. acknowledges support from Generalitat Valenciana through the VALi+d postdoctoral program (APOSTD/2014/044). Financial support for C. B. was provided by the Spanish Ministry through Projects No. FIS2011-30145-C03-01 and No. FIS2014-54800-C2-1 (with FEDER contribution), and by the Junta de Andalucia through Project No. FQM219.
García Meca, Carlos, Barceló, Carlos
openaire   +4 more sources

Recent advances in transformation optics [PDF]

open access: yesNanoscale, 2012
Within the past a few years, transformation optics has emerged as a new research area, since it provides a general methodology and design tool for manipulating electromagnetic waves in a prescribed manner. Using transformation optics, researchers have demonstrated a host of striking phenomena and devices; many of which were only thought possible in ...
Yongmin, Liu, Xiang, Zhang
openaire   +3 more sources

Roadmap on transformation optics [PDF]

open access: yes, 2018
Transformation Optics asks Maxwell’s equations what kind of electromagnetic medium recreate some smooth deformation of space. The guiding principle is Einstein’s principle of covariance: that any physical theory must take the same form in any ...
John B Pendry   +124 more
core   +5 more sources

Concealing arbitrary objects remotely with multi-folded transformation optics [PDF]

open access: yesLight: Science and Applications, 2016
Xianmin Zhang, Erping Li, Ran Hao
exaly   +2 more sources

Three-dimensional quasi-conformal transformation optics through numerical optimization [PDF]

open access: yes, 2020
In this paper we demonstrate the possibility to achieve 3-dimensional quasi-conformal transformation optics through parametrization and numerical optimization without using sliding boundary conditions.
Gabrielli, Lucas H.   +3 more
core   +2 more sources

Transformation optics with windows [PDF]

open access: yesSPIE Proceedings, 2014
Identity certification in the cyberworld has always been troublesome if critical information and financial transaction must be processed. Biometric identification is the most effective measure to circumvent the identity issues in mobile devices. Due to bulky and pricy optical design, conventional optical fingerprint readers have been discarded for ...
Oxburgh, Stephen   +4 more
openaire   +1 more source

A bi-dimensional compressed Luneburg lens antenna for miniaturization based on transformation optics

open access: yesFrontiers in Physics, 2022
Transformed Luneburg lens has been widely employed to provide aberration-free imaging and high-gain antenna system, but whose focal plane and beam scanning range decrease correspondingly. In this paper, a two-dimensional compressed elliptical cylindrical
Yadan Zang   +5 more
doaj   +1 more source

Transforming the optical landscape [PDF]

open access: yesScience, 2015
Electromagnetism provides us with some of the most powerful tools in science, encompassing lasers, optical microscopes, magnetic resonance imaging scanners, radar, and a host of other techniques. To understand and develop the technology requires more than a set of formal equations.
Pendry, J. B., Luo, Yu, Zhao, Rongkuo
openaire   +3 more sources

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