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8 March 2018 Study of opto-acoustic communication between air and underwater carrier
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How to solve the communication problem to the underwater target has turned into one of the subjects that the militarists of all over the world commonly concern. Laser-induced acoustic signal is a new approach for underwater acoustic source, which has much virtue such as high intensity, short pulse and broad frequency. The paper studies the opto-acoustic communication method. The acoustic signal characteristic of laser-induced breakdown is studied and corresponding theory model is systemically analyzed. The opto-acoustic communication experimental measure investigation is formed with the high power laser, water tank and high frequency hydrophone. The characteristic of acoustic signal is analyzed, such as intensity and frequency. This makes a stride for pursing the feasibility of laser-acoustic underwater communication.
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Si-Guang Zong, Tao Liu, Jing Cao, and Qi-Yi He "Study of opto-acoustic communication between air and underwater carrier", Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 106975S (8 March 2018);

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