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Negative Reflecting Meta-Mirrors
- Source :
- Scientific Reports, Vol 7, Iss 1, Pp 1-10 (2017), Scientific Reports
- Publication Year :
- 2017
- Publisher :
- Nature Portfolio, 2017.
-
Abstract
- Using the gradient phase discontinuities that meta-mirrors provide, we show that the incident wave can be reflected anomalously with a broad angle range of negative reflections. Such reversed behaviors promote the immediate applications for the planar meta-mirrors to steer the signals more arbitrarily and the convex meta-mirrors to focus and collimate electromagnetic fields. We practically implement these negative reflecting meta-mirrors through an arrangement of subwavelength ring patches and generate the desired phase distribution by also considering the incident angle. Finally, the experiments are carried out to verify the functionality of the convex meta-mirror firstly, and the performances of the planar meta-mirror are also tested by further building up a dual reflector system with the demonstration of obtaining the plane wave from the convex meta-mirror and then having the well collimated beam negative reflected by the planar meta-mirror. The proposed design should be readily applicable to a wide range of electromagnetic problems, especially for devising smart planar illusion devices, and highly directive antennas mounting on convex surfaces of various platforms.
- Subjects :
- Electromagnetic field
Physics
Multidisciplinary
business.industry
Science
Phase (waves)
Plane wave
Reflector (antenna)
02 engineering and technology
Classification of discontinuities
021001 nanoscience & nanotechnology
01 natural sciences
Article
Collimated light
010309 optics
Optics
Planar
0103 physical sciences
Medicine
0210 nano-technology
business
Focus (optics)
Simulation
Subjects
Details
- Language :
- English
- ISSN :
- 20452322
- Volume :
- 7
- Issue :
- 1
- Database :
- OpenAIRE
- Journal :
- Scientific Reports
- Accession number :
- edsair.doi.dedup.....a478b761ea46fe2c003c61d41162b1ec