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What is Focusing Coherent Light Through Scattering Media about?

The document describes an experiment where coherent light is focused through opaque strongly scattering materials by controlling the incident wavefront. By optimizing the wavefront using feedback from a CCD camera, they were able to focus the transmitted light to a spot over 1000 times brighter than without optimization. The technique works by controlling multiple segments of a spatial light modulator to effectively invert the diffusion caused by scattering and form constructive interference in the target a

Author

fooamol

Language

EN