Fig. 3
From: Hyperbolic metamaterials: fusing artificial structures to natural 2D materials
a Adapted with permission from ref. [98], copyright 2009, AIP. b, c Adapted with permission from ref. [102], copyright 2018, ACS. d–f Adapted with permission from ref. [99], copyright 2015, WILEY
Sub-wavelength patterning using HMMs. a Sub-wavelength light focusing using hyperlenses. b A schematic of photolithography with a hyperlens and c its simulation result for demagnifying 1D line patterns. d A schematic of deep sub-wavelength patterning in lithography. e Atomic force microscopy images of a 1D grating structure and f its interference pattern.