A thin multi-order Helmholtz metamaterial with perfect broadband acoustic absorption
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DOI: 10.7567/1882-0786/ab2f94
Abstract: We propose a multi-order Helmholtz metamaterial with deep-subwavelength thickness in which perfect continuous acoustic absorption is achieved within 400 Hz ~ 2800 Hz. The metamaterial is composed of multiple detuned cells, each of which is… read more here.
Keywords: order helmholtz; order; multi order; helmholtz metamaterial ... See more keywords