A Novel Approach to Density Near-Zero Acoustic Metamaterials

<div>Low-pass acoustic CLC filter (C sections ⌀52 × 20 mm, L section ⌀10 × 80 mm) loaded with one aSRR in the L section. (a) Layout. (b) Frequency response obtained through TL model and FEM simulation.</div>

Advances in Materials Science and Engineering

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Figure 3

Figure 3: A Novel Approach to Density Near-Zero Acoustic Metamaterials 