The principle of the ultrasound testing in BHM (IMAGE)

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The principle of the ultrasound testing in BHM

Caption

(a) The principle of the ultrasound testing in BHM; (a) FPI fiber-optic ultrasonic sensor; (b) Response of the sensor under 27.73 Pa acoustic excitation in frequency-domain; (c) Signal intensity variation under varying acoustic pressure excitation at 500 kHz frequency; (e) the photograph and (f) the ultrasound image of the acrylic plate

Credit

Dr. Geng Chen, Prof. Qizhen Sun, Dr. Hao Li

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