Chang H.-YLi J.-GChen C.-FLiu W.-FFu M.-Y.CHI-FANG CHEN2021-08-052021-08-052018https://www.scopus.com/inward/record.uri?eid=2-s2.0-85059469476&doi=10.1364%2fofs.2018.wf63&partnerID=40&md5=832d8be362c13abb91d593162b56b12chttps://scholars.lib.ntu.edu.tw/handle/123456789/576825This study proposed a hydrophone by using an FBG in conjunction with a packaging for detecting the acoustic wave under water due to that the acoustic wave pushes thin-film to cause the grating wavelength shift. ? OSA 2018 ? 2018 The Author(s)Acoustic waves; Fiber optic sensors; Hydrophones; Silicon; Thin films; Fiber gratings; Silicon thin film; Under water; Wavelength shift; Fiber Bragg gratingsconference paper10.1364/ofs.2018.wf632-s2.0-85059469476