Research on laser induced acoustic source based underwater communication system

Lihua Lei; Ju Zhou; Lei Zhang; Xiaoyun Wan

doi:10.1117/12.2246733

25 October 2016 Research on laser induced acoustic source based underwater communication system

Lihua Lei, Ju Zhou, Lei Zhang, Xiaoyun Wan

Proceedings Volume 10157, Infrared Technology and Applications, and Robot Sensing and Advanced Control; 1015720 (2016) https://doi.org/10.1117/12.2246733
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

Acoustic transducers are traditionally used to generate underwater acoustical energy with the device physically immersed in water. Novel methods are required for communicating from an in-air platform or surface vessel to a submerged vessel. One possible noncontact downlink communication system involves the use of laser induced acoustic source. The most common mechanisms of opto-acoustic energy conversion are, by order of increasing laser energy density and efficiency, thermal expansion, surface evaporation and optical breakdown. The laser induced acoustic source inherently bears the obvious advantage of not requiring any physical transducer in the medium. At the same time, acoustic energy propagation is efficient in water, whereas optical energy propagate well in air, leading to a more efficiency opto-acoustic communication method. In this paper, an opto-acoustic underwater Communication system is described, aiming to study and analysis whether laser induced sound could achieve good performance for effective communication in practical application.

Citation Download Citation

Lihua Lei, Ju Zhou, Lei Zhang, and Xiaoyun Wan "Research on laser induced acoustic source based underwater communication system", Proc. SPIE 10157, Infrared Technology and Applications, and Robot Sensing and Advanced Control, 1015720 (25 October 2016); https://doi.org/10.1117/12.2246733

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