Dual-grating meta-structure optimized for perfect narrow-band absorption in an ultrathin absorber for tunable sensing applications

Roy Avrahamy, Moshe Zohar, Mark Auslender, Benny Milgrom, Shlomo Hava, Rafi Shikler

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We introduce a 5µm-thick meta-structure design showing ∼100% ultra-narrow, angular-sensitive resonant absorptance, MWIR peaked with Q ≈ 2650 for tunable sensing applications. Light trapping inside a 22nm absorber is visualized by Poynting vector vortex topology.

Original languageEnglish
Title of host publicationFrontiers in Optics - Proceedings Frontiers in Optics / Laser Science, Part of Frontiers in Optics + Laser Science APS/DLS, FiO 2020
PublisherThe Optical Society
ISBN (Electronic)9781557528209
DOIs
StatePublished - 14 Sep 2020
Event2020 Frontiers in Optics Conference, FiO 2020 - Washington, United States
Duration: 14 Sep 202017 Sep 2020

Publication series

NameOptics InfoBase Conference Papers

Conference

Conference2020 Frontiers in Optics Conference, FiO 2020
Country/TerritoryUnited States
CityWashington
Period14/09/2017/09/20

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