Enhanced non-contact ultrasonic testing using an air-coupled optical microphone

Kaniak, G.G.KaniakRohringer, W.W.RohringerBrauns, M.M.BraunsPanzer, N.N.PanzerLücking, F.F.LückingFischer, B.B.FischerBrand, S.S.BrandGroße, C.C.Große2022-03-152022-03-152020https://publica.fraunhofer.de/handle/publica/41213810.1109/SENSORS47125.2020.9278623In this paper three case studies of the application of a compact non-contact, non-destructive setup are presented. The herein employed method is based on the air-coupled detection of acoustic waves in the frequency range up to 2 MHz.enEnhanced non-contact ultrasonic testing using an air-coupled optical microphoneconference paper