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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 3 — Feb. 11, 2013
  • pp: 2890–2902

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

Jaeduck Jang, Jaeguyn Lim, Hyeonseung Yu, Hyun Choi, Jinyong Ha, Jung-Hoon Park, Wang-Yuhl Oh, Wooyoung Jang, SeongDeok Lee, and YongKeun Park  »View Author Affiliations

Optics Express, Vol. 21, Issue 3, pp. 2890-2902 (2013)

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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).

© 2013 OSA

OCIS Codes
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(110.0113) Imaging systems : Imaging through turbid media
(110.1080) Imaging systems : Active or adaptive optics

ToC Category:
Imaging Systems

Original Manuscript: November 16, 2012
Revised Manuscript: January 10, 2013
Manuscript Accepted: January 21, 2013
Published: January 30, 2013

Virtual Issues
Vol. 8, Iss. 3 Virtual Journal for Biomedical Optics

Jaeduck Jang, Jaeguyn Lim, Hyeonseung Yu, Hyun Choi, Jinyong Ha, Jung-Hoon Park, Wang-Yuhl Oh, Wooyoung Jang, SeongDeok Lee, and YongKeun Park, "Complex wavefront shaping for optimal depth-selective focusing in optical coherence tomography," Opt. Express 21, 2890-2902 (2013)

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