Visible-light metalens far-field nanofocusing effects with active tuning of focus based on MIM subwavelength structures used in an integrated imaging array.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.444729
Abstract: We propose a structure of a far-field nanofocusing metalens with focal shifting that is actively tuned at visible wavelengths. Surface plasmon polaritons (SPPs) can be excited by the metal-insulator-metal (MIM) subwavelength structure at visible wavelengths.… read more here.
Keywords: field nanofocusing; refractive index; effective refractive; mim subwavelength ... See more keywords