Document Type

Article

Publication Date

12-11-2017

Publication Title

Optics Express

ISSN

1094-4087

Volume

25

Issue

25

First Page

31077

Last Page

31095

DOI

http://dx.doi.org/10.1364/OE.25.031077

PubMed ID

29245786

Abstract

We present an approach for the design of refractive optical elements using materials degrees of freedom that are accessible via engineered materials. Starting from first principles and an unconstrained general material, we specify homogeneous refractive lenses that focus light with diffraction-limited resolution resulting from a tailored anisotropic refractive index. We analyze the performance, physical feasibility, and advantages over isotropic lenses. Materials degrees of freedom enable new flexibility for imaging system designs with lower complexity expanding the existing aspheric and graded index paradigms.

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