2 papers
physics.optics2023
Addressing the impact of surface roughness on epsilon-near-zero substrates
David Navajas, José Manuel Pérez-Escudero, Iñigo Liberal
Epsilon-near-zero (ENZ) media have been very actively investigated due to their unconventional wave phenomena and strengthened nonlinear response. However, the technological impact…
physics.optics2022
Spectrally stable thermal emitters enabled by material-based high-impedance surfaces
David Navajas, José Manuel Pérez-Escudero, Iñigo Liberal
Radiative thermal engineering with subwavelength metallic bodies is a key element for heat and energy management applications, communication and sensing. Here, we numerically and e…