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Light incident on a scattering medium is redistributed over transport channels that either transmit through or reflect from the medium. We perform experiments aiming at finding individual transport channels of extremely strongly scattering materials. A small number of transport channels in a scattering sample are open with transmission coefficient close to 1; field transmission mainly takes place...
The ability to spatially control the phase and amplitude of light allows for many exciting applications. In adaptive optics, light fields are modulated to correct for aberrations in the atmosphere. It has recently been shown that by spatially modulating light it is possible to focus and image through and inside opaque materials [1-5].
Materials such as white paint, paper, milk, tissue appear opaque because they strongly scatter the incident light. It is impossible to focus light through such turbid media using conventional optics. However, it has been shown that it is possible to focus light through or inside such materials using a feedback based algorithm that spatially modifies the phase of the wavefront. When the incident wavefront...
Scattering of light is usually seen as a nuisance in microscopy. Scattering limits the penetration depth and strongly deteriorates the achievable resolution. However, by gaining active spatial control over the optical wave front it is possible to manipulate the propagation of scattered light even far in the multiple scattering regime.[1–3] It was recently shown that in this way scattered light can...
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