Related Experiment Video
Updated: May 3, 2026

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
Published on: June 7, 2019
Full-space programmable metasurface for Bessel beam tailoring
Abstract:
In this Letter, a transmission-reflection integrated programmable metasurface, which achieves quasi-360° phase coverage in the reflection mode and 1-bit phase coding in the transmission mode, is proposed. The steering manipulation of the zeroth-order Bessel beam is investigated over an angular range of 10°-30° in the reflection space, verifying the reconfigurability of the proposed metasurface. Correspondingly, in the transmission space, beam steering is achieved from -10° to -30°, thereby showcasing full-space scanning capabilities. Both numerical simulations and experimental measurements exhibit good consistency, validating the effectiveness of the designed metasurface. The demonstrated capabilities of the proposed metasurface pave the way for adaptive beamforming, intelligent signal routing, and multifunctional wireless systems that demand full-space wave manipulation.
Related Concept Videos
Electrostatic Boundary Conditions
The surface integral of an electric field is given by Gauss's law in integral form and is related to...
Statically Indeterminate Problem Solving
State Space Representation
Consider an RLC circuit, a...
Elements of Block Diagrams
A block diagram typically includes essential elements such as comparators, blocks, and feedback loops. Each of these elements...
Relation between Mathematical Equations and Block Diagrams
Block Diagram Reduction
The first step in this process is the identification and relocation of a branch point. A branch point, where a...

