4.5 Article

Tunable Double-Band Perfect Absorbers via Acoustic Metasurfaces with Nesting Helical Tracks*

Journal

CHINESE PHYSICS LETTERS
Volume 37, Issue 5, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.1088/0256-307X/37/5/054301

Keywords

43; 35; +d; 43; 20; +g; 43; 40; +s

Funding

  1. National Natural Science Foundation of China [11674346, 11704284, 11690030, 11690032]
  2. Bird Nest Plan of HUST

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We propose a design of tunable double-band perfect absorbers based on the resonance absorption in acoustic metasurfaces with nesting helical tracks and deep-subwavelength thicknesses (

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