Jung-Hoon Park

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We present a novel optical method exploiting multiple scattering to achieve sub-wavelength focusing and imaging using visible light. The evanescent near-field information are controlled by or transferred into far-field components by scattering from disordered nanoparticles.
We report the enhancement of signal and penetration depth in 2-D imaging in optical coherence tomography by suppressing multiple scattering via complex wavefront shaping. Up to 92% enhancements of the penetration depth were observed for a highly scattering sample.
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