Beam Spatial Distribution of Upward Laser Through Sea-Air Interface

Tianhua, 周田华 Zhou; Weibiao, 陈卫标 Chen; Yan, 贺岩 He; Xiaolei, 朱小磊 Zhu

doi:10.3788/cjl20103708.1978

Cited by 6 publications

(1 citation statement)

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“…In 2006, Jin et al [6] studied the effect of sea surface roughness on radiation in the atmosphere and ocean based on the discrete coordinate method, described the theoretical formulation of the radiation transmission equation, and proposed an analytical solution of the radiation transmission equation with atmosphere-sea surface-ocean conforming to the transmission medium. In 2008, Zhai et al [7] derived a three-part radiative transfer equation for the atmosphere, the sea surface and the ocean, calculated the impulse response functions for the atmosphere and the ocean using the Monte Carlo method, and developed simulation software for the attenuation and scattering of laser light when it is transmitted in the atmosphere and seawater.In 2010, Zhou Tianhua et al [8] analyzed the uplink transmission of a blue-green laser based on geometrical optics and the Monte Carlo method. The upward transmission of blue-green laser was analyzed based on geometrical optics and Monte Carlo method, and the results show that when the beam is emitted vertically upward, the beam is concentrated in the range of The influence of the sea surface on the laser can be attenuated by setting up a reasonable transmitting and receiving method.…”

Section: Introductionmentioning

confidence: 99%

Cross-media detection simulation of blue-green laser radar in the dynamic sea surface

Peng,

Diao,

Wang

et al. 2024

Advanced Fiber Laser Conference (AFL2023)

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The detection technology between trans-air and water media is a hot research issue in the world's major oceanic countries, in order to study the laser detection technology between air and underwater, this paper establishes a model of LIDAR trans-media detection of angular reflector targets in the oceanic background, and discusses the LIDAR echo power in different oceanic environments and when the target is in the seawater at different depths. The results show that the return power of the laser decreases as the depth of the target in seawater increases; when the chlorophyll background concentration in seawater increases, the return power of the laser decreases; when the wind speed on the surface increases, the return power of the laser still decreases due to the increase of the roughness of the sea surface as well as the increase of the concentration of the air bubbles in the upper layer of the ocean. The results of this study provide a basis for the use of laser technology for trans-air-water medium detection.

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Section: Introductionmentioning

confidence: 99%