Abstract
The correlation and transport properties of diffuse light have been the subject of intense recent interest.1 One practical aspect of these problems concerns the potential uses of diffuse light to locate objects embedded within a turbid media2 In this work, we present experimental results that illustrate the properties of damped traveling waves in a diffusive media. Our observations demonstrate that it is possible to manipulate these waves by adjusting the light diffusion coefficient D, of adjacent turbid media. We have imaged these waves, and demonstrate explicitly that they obey simple optical principles such as Snell's law. Our measurements indicate that a diffusional index of refraction is a useful concept.
© 1993 Optical Society of America
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