物理学报2026，Vol.75Issue(6)：21-31,11.DOI:10.7498/aps.75.20250923
贝塞尔高斯光束经气泡尾流的散射特性
Scattering characteristics of Bessel Gauss beam through bubble wakes of ship
摘要
Abstract
In ocean monitoring,the identification and tracking of ship wakes are crucial.Ship wakes are difficult to physically characterize because they are complicated multiphase combinations.It is possible to efficiently analyze the scattering features of ship-induced bubble wakes by utilizing the excellent penetrating capabilities of blue-green lasers in seawater.Bessel-Gaussian(BG)beam propagation properties are determined in this work by using the rigorous angular spectrum diffraction theory.An analytical equation for the beam shape coefficient of BG beams is derived by combining the integral local approximation approach with the generalized Lorenz-Mie theory(GLMT).Therefore,differences in the scattering properties of BG beams passing through ship bubble waves are therefore investigated systematically.The results demonstrate that the scattering efficiency factor for a single spherical bubble particle shows clear resonance peaks as the size parameter grows,and the peak values decrease significantly when the beam topological charge increases.Meanwhile,as the beam topological charge,beam waist radius,and cone angle increase,the differential scattering cross section decreases.Similar effects of the differential scattering cross section on the beam topological charge,beam waist radius,and cone angle are also seen for the collective bubble wake.This work provides theoretical support for relevant applications in ocean target identification and monitoring,as well as a theoretical foundation for studying the scattering characteristics of ship-induced bubble wakes.关键词
舰船气泡尾流/Bessel-Gaussian光束/散射Key words
ship bubble wake/Bessel-Gaussian beam/scattering引用本文复制引用
王姣,强克林,赵莹珂,王向辉,田旭华,谭振坤..贝塞尔高斯光束经气泡尾流的散射特性[J].物理学报,2026,75(6):21-31,11.基金项目
陕西省科技厅重点研发计划(批准号:2025CY-YBXM-057,2025CY-YBXM-058)、国家自然科学基金青年项目(批准号:62101313,62301303)、陕西省自然科学基础研究计划(批准号:2023-JC-YB-484)和陕西省教育厅科研计划项目-自然专项(批准号:24JK0478)资助的课题. Project supported by the Key R&D Program of Shaanxi Province,China(Grant Nos.2025CY-YBXM-057,2025CY-YBXM-058),the National Natural Science Foundation of China(Youth Projects)(Grant Nos.62101313,62301303),the Natural Science Basic Research Program of Shaanxi Province,China(Grant No.2023-JC-YB-484),and the Scientific Research Program of the Education Department of Shaanxi Province,China-Natural Science Special Program(Grant No.24JK0478). （批准号:2025CY-YBXM-057,2025CY-YBXM-058）
