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Effect of Water Scattering on Light Backscattering Properties of Bubbles
Author(s): 
Pages: 1153-1155,1167
Year: Issue:  11
Journal: LASER & INFRARED

Keyword:  气泡光散射光功率信噪比;
Abstract: 采用Lambert-Beer定律对水中气泡幕前向、后向散射激光功率进行了理论推导,得出了接收信号信噪比的计算公式.采用光学遮挡的方法对近距离水体后向光散射信号进行屏蔽,采用激光功率计对后向光散射信号进行测量.结果表明,近距离水体后向光散射对气泡的后向光散射影响显著,对近距离水体的后向光散射信号进行抑制,可以显著提高接收信号的信噪比.
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