Journal
SCIENCE
Volume 343, Issue 6178, Pages 1499-1501Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1249799
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Funding
- Army Research Office through the Institute for Soldier Nanotechnologies [W911NF-13-D0001]
- MIT S3TEC Energy Research Frontier Center of the U.S. Department of Energy [DE-SC0001299]
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Light selection based purely on the angle of propagation is a long-standing scientific challenge. In angularly selective systems, however, the transmission of light usually also depends on the light frequency. We tailored the overlap of the band gaps of multiple one-dimensional photonic crystals, each with a different periodicity, in such a way as to preserve the characteristic Brewster modes across a broadband spectrum. We provide theory as well as an experimental realization with an all-visible spectrum, p-polarized angularly selective material system. Our method enables transparency throughout the visible spectrum at one angle-the generalized Brewster angle-and reflection at every other viewing angle.
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