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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. 7 — Jul. 16, 2007

Improved lateral resolution in optical coherence tomography by digital focusing using two-dimensional numerical diffraction method

Lingfeng Yu, Bin Rao, Jun Zhang, Jianping Su, Qiang Wang, Shuguang Guo, and Zhongping Chen  »View Author Affiliations


Optics Express, Vol. 15, Issue 12, pp. 7634-7641 (2007)
http://dx.doi.org/10.1364/OE.15.007634


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Abstract

This paper proposes a non-iterative, two-dimensional numerical method to alleviate the compromise between the lateral resolution and wide depth measurement range in optical coherence tomography (OCT). A two-dimensional scalar diffraction model was developed to simulate the wave propagation process from out-of-focus scatterers within the short coherence gate of the OCT system. High-resolution details can be recovered from outside the depth-of-field region with minimum loss of lateral resolution. Experiments were performed to demonstrate the effectiveness of the proposed method.

© 2007 Optical Society of America

OCIS Codes
(100.3010) Image processing : Image reconstruction techniques
(100.6950) Image processing : Tomographic image processing
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Image Processing

History
Original Manuscript: April 20, 2007
Revised Manuscript: May 25, 2007
Manuscript Accepted: May 31, 2007
Published: June 6, 2007

Virtual Issues
Vol. 2, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Lingfeng Yu, Bin Rao, Jun Zhang, Jianping Su, Qiang Wang, Shuguang Guo, and Zhongping Chen, "Improved lateral resolution in optical coherence tomography by digital focusing using two-dimensional numerical diffraction method," Opt. Express 15, 7634-7641 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-15-12-7634


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