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Metamaterial broadband angular selectivity

Journal Article · · Physical Review. B, Condensed Matter and Materials Physics
 [1];  [2];  [3];  [1];  [2];  [1];  [1]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  2. Zhejiang Univ., Hangzhou (China)
  3. Wuhan Univ., Wuhan (China)
We reveal how broadband angular selectivity can be achieved with stacks of one-dimensionally periodic photonic crystals, each consisting of alternating isotropic layers and effective anisotropic layers, where each effective anisotropic layer is constructed from a multilayered metamaterial. We demonstrate that by simply changing the structure of the metamaterials, the selective angle can be tuned to a broad range of angles; and, by increasing the number of stacks, the angular transmission window can be made as narrow as desired. As a proof of principle, we realize the idea experimentally in the microwave regime. The angular selectivity and tunability we report here can have various applications such as in directional control of electromagnetic emitters and detectors.
Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Solid-State Solar-Thermal Energy Conversion Center (S3TEC); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
SC0001299
OSTI ID:
1385297
Alternate ID(s):
OSTI ID: 1180013
Journal Information:
Physical Review. B, Condensed Matter and Materials Physics, Journal Name: Physical Review. B, Condensed Matter and Materials Physics Journal Issue: 12 Vol. 90; ISSN 1098-0121; ISSN PRBMDO
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (5)

Angular Optical Transparency Induced by Photonic Topological Transition in Hexagonal Boron Nitride journal November 2018
Passive directional sub-ambient daytime radiative cooling journal November 2018
Optimized aperiodic multilayer structures for use as narrow-angular absorbers journal December 2014
Metagrating-enabled Brewster’s angle for arbitrary polarized electromagnetic waves and its manipulation journal January 2019
Design, concepts, and applications of electromagnetic metasurfaces journal June 2018

Figures / Tables (5)