Metamaterial broadband angular selectivity
Journal Article
·
· Physical Review. B, Condensed Matter and Materials Physics
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Zhejiang Univ., Hangzhou (China)
- 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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Related Subjects
36 MATERIALS SCIENCE
charge transport
defects
materials and chemistry by design
mechanical behavior
optics
phonons
solar (photovoltaic)
solar (thermal)
solid state lighting
spin dynamics
synthesis (novel materials)
synthesis (scalable processing)
synthesis (self-assembly)
thermal conductivity
thermoelectric
charge transport
defects
materials and chemistry by design
mechanical behavior
optics
phonons
solar (photovoltaic)
solar (thermal)
solid state lighting
spin dynamics
synthesis (novel materials)
synthesis (scalable processing)
synthesis (self-assembly)
thermal conductivity
thermoelectric