Reversal of transmission and reflection based on acoustic metagratings with integer parity design
Phase gradient metagratings suffer from limits on conversion efficiency. Here, the authors show a refractive-type metagrating which can enable anomalous reflection and refraction with almost unity efficiency over a wide incident range and uncover how integer parity plays a role in higher order diffr...
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Main Authors: | Yangyang Fu, Chen Shen, Yanyan Cao, Lei Gao, Huanyang Chen, C. T. Chan, Steven A. Cummer, Yadong Xu |
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Format: | article |
Language: | EN |
Published: |
Nature Portfolio
2019
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Online Access: | https://doaj.org/article/f145a3af7c644bd3b2301bd8a07424fc |
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