Original ResearchPublished 8 October 2026Multidirectional acoustic wave transmission via artificial periodic structuresBin Yao · Cong Zhai · Rushan Xie · Huiwen Shi · Ziming Ren · Menghui Xiang · Zengxing Zhang · Chenyang Xue · Cheng LyuFrontiers in Physicsdoi 10.3389/fphy.2026.1920493