Main > Chinese Journal of Lasers >  Volume 47 >  Issue 9 >  Page 0904006 > Article
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  • Received: Mar. 2, 2020

    Accepted: May. 6, 2020

    Posted: Sep. 1, 2020

    Published Online: Sep. 16, 2020

    The Author Email: Sun Chaoming (chm_sun@163.com)

    DOI: 10.3788/CJL202047.0904006

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    Chaoming Sun, Kaihua Sun, Jiqiang Ge. Measurement of Surface Vibrations of Ultrasonic Transducers by Laser Interference Method[J]. Chinese Journal of Lasers, 2020, 47(9): 0904006

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  • measurement and metrology
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Schematic of multi-channel detection unit laser interferometer

Fig. 1. Schematic of multi-channel detection unit laser interferometer

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Demodulation method for ultrasonic signal

Fig. 2. Demodulation method for ultrasonic signal

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Physical images of ultrasonic transducers

Fig. 3. Physical images of ultrasonic transducers

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Measuring schematic of surface vibration of ultrasonic transducer

Fig. 4. Measuring schematic of surface vibration of ultrasonic transducer

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Surface vibration state of ultrasonic transducer1

Fig. 5. Surface vibration state of ultrasonic transducer1

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Vibration waveform on the surface of ultrasonic transducer1

Fig. 6. Vibration waveform on the surface of ultrasonic transducer1

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Surface vibrations of ultrasonic transducer2

Fig. 7. Surface vibrations of ultrasonic transducer2

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Vibration waveform on the surface of ultrasonic transducer2

Fig. 8. Vibration waveform on the surface of ultrasonic transducer2

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Surface vibration state of ultrasonic transducer3

Fig. 9. Surface vibration state of ultrasonic transducer3

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Echoes of ultrasonic transducer2. (a) Time-domain; (b) frequency-domain

Fig. 10. Echoes of ultrasonic transducer2. (a) Time-domain; (b) frequency-domain

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Echoes of ultrasonic transducer3. (a) Time-domain; (b) frequency-domain

Fig. 11. Echoes of ultrasonic transducer3. (a) Time-domain; (b) frequency-domain

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