1. YongKeun Park

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    1. Mentioned In 6 Articles

    2. Feature Of The Week 3/3/13: Complex wavefront shaping for optimal depth-selective focusing in optical coherence tomography

      Feature Of The Week 3/3/13: Complex wavefront shaping for optimal depth-selective focusing in optical coherence tomography
      ...ll be employed to in vivo applications in the near future. For more information see recent Article . Courtesy YongKeun Park from Korea Advanced Institute of Science and Technology . We present that a novel wavefront shap...
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    3. Complex wavefront shaping for optimal depth-selective focusing in optical coherence tomography

      Complex wavefront shaping for optimal depth-selective focusing in optical coherence tomography

      We report on an approach to exploit multiple light scattering by shaping the incident wavefront in optical coherence tomography (OCT). Most of the reflected signal from biological tissue consists of multiply scattered light, which is regarded as noise in OCT. A digital mirror device (DMD) is utilized to shape the incident wavefront such that the maximal energy is focused at a specific depth in a highly scattering sample using a coherence-gated reflectance signal as feedback. The proof-of-concept experiment demonstrates that this approach enhances depth-selective focusing in the presence of optical inhomogeneity, and thus extends the penetration depth in spectral domain-OCT ...

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    4. Improved phase sensitivity in spectral domain phase microscopy using line-field illumination and self phase-referencing

      Improved phase sensitivity in spectral domain phase microscopy using line-field illumination and self phase-referencing
      ...al microscopy ToC Category: Category Pending Citation Zahid Yaqoob, Wonshik Choi, Seungeun Oh, Niyom Lue, Yongkeun Park, Christopher Fang-Yen, Ramachandra R. Dasari, Kamran Badizadegan, and Michael S. Feld, "Improved...
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  2. About YongKeun Park

    YongKeun Park

    YongKeun Park is with the department of physics at the Korea Advanced Institute of Science and Technology.