Acoustic beamwidth compressor using gradient-index phononic crystals

Lin, S.-C.S.S.-C.S.LinTittmann, B.R.B.R.TittmannSun, J.-H.J.-H.SunWu, T.-T.T.-T.WuHuang, T.J.T.J.HuangTSUNG-TSONG WU2020-04-282020-04-282009https://scholars.lib.ntu.edu.tw/handle/123456789/487032[SDGs]SDG7Acoustic beamwidth compressor using gradient-index phononic crystalsjournal article10.1088/0022-3727/42/18/1855022-s2.0-70149089863https://www.scopus.com/inward/record.uri?eid=2-s2.0-70149089863&doi=10.1088%2f0022-3727%2f42%2f18%2f185502&partnerID=40&md5=c4bf7460c0d78934c7dfe4ddd08e2218