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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 2, Iss. 9 — Sep. 26, 2007

Application of the maximum entropy method to spectral-domain optical coherence tomography for enhancing axial resolution

Yoshiyuki Takahashi, Yuuki Watanabe, and Manabu Sato  »View Author Affiliations


Applied Optics, Vol. 46, Issue 22, pp. 5228-5236 (2007)
http://dx.doi.org/10.1364/AO.46.005228


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Abstract

For the first time we applied the maximum entropy method (MEM) to spectral domain optical coherence tomography to enhance axial resolution (AR). The MEM estimates the power spectrum by fitting. For an onion with optimization of M = 70 , the AR of 18.8 μ m by discrete Fourier transform (DFT) was improved three times compared with peak widths. The calculation time by the MEM with M = 70 was 20 times longer than that of DFT. However, further studies are needed for practical applications, because the validity of the MEM depends on the sample structures.

© 2007 Optical Society of America

OCIS Codes
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: December 11, 2006
Revised Manuscript: April 10, 2007
Manuscript Accepted: April 18, 2007
Published: July 9, 2007

Virtual Issues
Vol. 2, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Yoshiyuki Takahashi, Yuuki Watanabe, and Manabu Sato, "Application of the maximum entropy method to spectral-domain optical coherence tomography for enhancing axial resolution," Appl. Opt. 46, 5228-5236 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-46-22-5228

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