Concept of Independent Reflection Magnitude and Phase Using an
Electromechanical Metasurface
- Shulabh Gupta ,
- Keigan MacDonell ,
- Leandro M. Rufail
Abstract
A simple concept to perfectly decouple the reflection magnitude and
phase of a reflective metasurface is proposed. For a linearly-polarized
illumination, a full 2? phase is achieved in reflection by physically
displacing the unit cell normal to the surface, with respect to a fixed
reference and source, while the reflection magnitude is independently
controlled via an integrated resistive element inside the unit cell.
This proposed concept is demonstrated using full-wave simulations, which
is the first step towards an electromechanical metasurface with truly
independent real-time amplitude and phase control.