New Theoretical Model of the Irradiance Distribution in Water from a Unidirectional Point Source

被引：7
|
作者：
Dolin, Lev S. [1 ]
机构：
[1] Russian Acad Sci, Inst Appl Phys, 46 Uljanova St, Nizhnii Novgorod 603950, Russia
来源：
JOURNAL OF MARINE SCIENCE AND ENGINEERING | 2020年 / 8卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
underwater light fields; beam spread function; small-angle multiple scattering; distortions of a laser pulse; BEAM SPREAD FUNCTION; LIDAR DETECTION; TURBID MEDIUM; SCATTERING; PROPAGATION; PULSE; SYSTEM;
D O I：
10.3390/jmse8020079
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
Formulas are presented for calculating the irradiance field, which is formed in a turbid medium with a narrow scattering phase function and homogeneous optical properties when an infinitely narrow light beam passes through it. The calculations are based on a new mathematical model of the stationary radiation field of an omnidirectional point source and relationships enabling one to represent the irradiance distribution in a continuous or modulated light beam through this field. The obtained formulas, in contrast to the previously known ones, permit taking into account the temporal spreading of a pulsed light beam in the sea without a significant decrease in the accuracy of describing its spatial structure.
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页数：13
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