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    Measurement of Airborne Ultrasound Using Laser Doppler Vibrometry

    The speed of light in air is dependent on the air’s instantaneous density. Since air density is modulated by sound, sound in the air can be observed and measured using optical methods. One such optical method ...

    Zihuan Liu, **aoyu Niu, Yuqi Meng… in Computer Vision & Laser Vibrometry, Volume… (2024)