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11 January 2005 Influence of particles on forward light scattering of air bubbles in water
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Abstract
The properties of light scattering from air bubbles in water have recently attracted considerable attention, but in practical applications such as in underwater detection, submarine imaging etc., we must take account of light scattering from various sizes of particles suspended in water. The situation of air bubbles and particles co-exist in water was studied in the first time. It is known that an air bubble in water is an example of a scatterer for which the refractive index of core (gas) is less than that of surroundings, which differs significantly from that for particles in water. Consequently, the forward light scattering characteristics of both air bubbles and typical particulate assemblages in the ocean are estimated with Mie theory, the result are analyzed and compared to validate the influence of particles on forward light scattering of air bubbles in the ocean. A preliminary laboratory experiment is also carried out to investigate the properties of forward light scattering (scattering angle less than 4 degrees) caused by particles and air bubbles and to illustrate the differences of light scattering between them.
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Hua Zhou and Ji-fang Liu "Influence of particles on forward light scattering of air bubbles in water", Proc. SPIE 5642, Information Optics and Photonics Technology, (11 January 2005); https://doi.org/10.1117/12.576259
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