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Opt Lett. 2007 Aug 15;32(16):2309-11.

Focusing coherent light through opaque strongly scattering media.

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Complex Photonic Systems, Faculty of Science and Technology and MESA+ Research Institute, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands.


We report focusing of coherent light through opaque scattering materials by control of the incident wavefront. The multiply scattered light forms a focus with a brightness that is up to a factor of 1000 higher than the brightness of the normal diffuse transmission.


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