Vol. 13, issue 10, article # 3

Barun V. V. Possible improvement of an object visibility at its submergence into a turbid medium. // Atmospheric and oceanic optics. 2000. V. 13. No. 10. P. 838-841.    PDF
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Abstract:

The problem of observation of an opaque object through a surface-bounded layer of a scattering medium is solved based on the small-angle approximation with the allowance made for the formation of a shadow zone. It turns out that the image contrast can have a local extremum of best visibility inside a medium. It is shown that the object visibility can increase monotonically with the increasing depth in a turbid medium. The conditions under which this improvement occurs and the contrast extremum is reached are numerically evaluated.