Reducing Ohmic Losses in Metamaterials by Geometric Tailoring

TL;DR

This paper introduces geometric tailoring techniques to reduce ohmic losses in metamaterials across a range of frequencies, highlighting the benefits of increased curvature and structure size.

Contribution

It presents novel geometric design strategies for minimizing ohmic losses in metamaterials at both low and high frequencies.

Findings

Increased radius of curvature reduces losses.

Bulky structures outperform planar ones at THz frequencies.

Geometric tailoring effectively lowers ohmic losses.

Abstract

Losses in metamaterials render the applications of such exotic materials less practical unless an efficient way of reducing them is found. We present two different techniques to reduce ohmic losses at both lower and higher frequencies, based on geometric tailoring of the individual magnetic constituents. We show that an increased radius of curvature, in general, leads to the least losses in metamaterials. Particularly at higher THz frequencies, bulky structures outperform the planar structures.