Direct Underwater Sound Velocity Measurement Based on the Acousto-Optic Self-Interference Effect between the Chirp Signal and the Optical Frequency Comb

Direct Underwater Sound Velocity Measurement Based on the Acousto-Optic Self-Interference Effect between the Chirp Signal and the Optical Frequency Comb

Underwater sound speed plays a vital role in maritime safety. Based on the acousto-optic self-interference effect, we proposed a new method to measure underwater sound speed utilizing Raman–Nath diffraction, generated by the acousto-optic effect between an optical frequency comb and pulsed chirp sig...

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Bibliographic Details
Main Authors: Zihui Yang, Fanpeng Dong, Hongguang Liu, Xiaoxia Yang, Zhiwei Li, Bin Xue
Format: Article
Language:English
Published: MDPI AG 2022-12-01
Series:Journal of Marine Science and Engineering
Subjects:
underwater sound velocity
chirp signal
time-of-flight
acousto-optic self-interference
maritime safety
Online Access:https://www.mdpi.com/2077-1312/11/1/18

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