Impedance-matched Hyperlens

TL;DR

This paper introduces an impedance-matched hyperlens design using transformation optics that enables super-resolution imaging with minimized reflection losses, achievable in both magnetic and non-magnetic configurations.

Contribution

It presents a novel hyperlens design with impedance matching for improved optical imaging beyond the diffraction limit, including an optimized non-magnetic approach.

Findings

Impedance matching reduces reflection losses in hyperlens systems.

Both magnetic and non-magnetic designs achieve comparable performance.

The approach enables super-resolution imaging beyond diffraction limit.

Abstract

We propose an approach to optical imaging beyond the diffraction limit, based on transformation optics in concentric circular cylinder domains. The resulting systems allow image magnification and minimize reflection losses due to the impedance matching at the input or output boundaries. While perfect impedance matching at both surfaces can only be obtained in a system with radius-dependent magnetic permeability, we demonstrate that comparable performance can be achieved in an optimized non-magnetic design.