Non-Destructive Inspection Using Phase-Shifting Resonant Vibrometry

Chenchia Wang,Sudhir Trivedi,Feng Jin,V. Swaminathan, Frank Walters,Jacob Khurgin,Fow-Sen Choa

2016 Conference on Lasers and Electro-Optics (CLEO)（2016）

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摘要

We present experimental demonstration utilizing phase-shifting resonant vibrometry to determine the presence and position of embedded defect inside a device under test (DUT) whose awkward surface shape prohibits the use of conventional ultrasonic transducers.

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关键词

nondestructive inspection,phase-shifting resonant vibrometry,embedded defect position,device-under-test

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