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Opt Lett. 2012 Aug 1;37(15):3261-3. doi: 10.1364/OL.37.003261.

Active spectral filtering through turbid media.

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  • 1Department of Physics, Korea Advanced Institute of Science and Technology, Daejeon 305-701, South Korea.

Abstract

We demonstrate controlled wavelength-dependent light focusing through turbid media using wavefront shaping. Due to the dispersion caused by multiple light scattering, light propagation through turbid media can be independently controlled between different wavelengths. Foci with various wavelengths can be generated by applying different optimized wavefronts to a highly scattering layer. Given the linearity of the transmission matrix, multiple foci with different wavelengths can also be simultaneously constructed.

PMID:
22859152
[PubMed - indexed for MEDLINE]
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