Broadband Epsilon-Near-Zero Behavior in Deep-etched Grating Metasurfaces
journal contribution
posted on 2021-08-11, 00:00authored byAnthony Hoffman, Joshua Shrout, Juan Haug, Milan Palei, Paul BohnPaul Bohn
In this work, we experimentally demonstrate coupling between free-space light and surface plasmon and epsilon-near-zero modes on Ag grating metasurfaces.