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Park, Jung-Hoon
Bio-Optics Lab
Research Interests
  • Biomedical optics, wavefront shaping, In-vivo deep tissue imaging

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

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Title
Complex wavefront shaping for optimal depth-selective focusing in optical coherence tomography
Author
Jang, JaeduckLim, JaeguynYu, HyeonseungChoi, HyunHa, JinyongPark, Jung-HoonOh, Wang-YuhlJang, WooyoungLee, SeongDeokPark, YongKeun
Issue Date
201302
Publisher
OPTICAL SOC AMER
Citation
OPTICS EXPRESS, v.21, no.3, pp.2890 - 2902
Abstract
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 (SD-OCT). (C) 2013 Optical Society of Americ
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DOI
http://dx.doi.org/10.1364/OE.21.002890
ISSN
1094-4087
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