Anomalous reflection from metasurfaces with gradient phase distribution below 2?

You Zhe Ho, Bo Han Cheng, Wei Lun Hsu, Chih Ming Wang, Din Ping Tsai

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Metasurfaces are artificial structures that have been demonstrated to possess the ability to manipulate light within a subwavelength spatial region. Here, we explore another unraised functionality of the energy redistribution of a metasurface by tuning the phase difference over a supercell. We also propose a practical nanorod-based design to achieve an anomalous steering reflection using the finite element method simulation. The proposed phenomena have potential applications in ultracompact nanophotonic systems and high-efficiency flat devices.

Original languageEnglish
Article number072502
JournalApplied Physics Express
Volume9
Issue number7
DOIs
StatePublished - Jul 2016

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