Metamaterials-based Salisbury screens with reduced angular sensitivity
Abstract
We demonstrate that the incorporation of nonlocal nanowire metamaterials into Salisbury screens allows for a substantial reduction of the dependence of incident angle on the absorption maximum. Realizations of angle-independent Salisbury screens for the near-IR, mid-IR, and GHz frequencies are proposed and their performances are analyzed analytically and numerically. It is shown that nonlocal effective medium theory adequately describes the angular dependence of nanowire-based Salisbury screens.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Oct 20, 2014
- Source ID
- 10.1063/1.4899131
Entities
People
- Brian Wells
- Christopher M. Roberts
- Viktor A. Podolskiy
Organizations
- Army Research Office
- National Science Foundation
- University of Massachusetts Lowell