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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 9, Iss. 12 — Dec. 1, 2011
  • pp: 121001–

Resolution enhancement with improved range Doppler algorithm in high numerical aperture OCT

Xiaodong Chen, Yong Lei, Yi Wang, and Daoyin Yu  »View Author Affiliations


Chinese Optics Letters, Vol. 9, Issue 12, pp. 121001- (2011)


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Abstract

The improved range Doppler algorithm is proposed to abate the trade-off between resolutions and depth of focus in spectral domain optical coherence tomography. By considering the finite beam width and the shape of the wavefronts produced by the Gaussian beam, a physical diffraction model is presented to simulate the light propagation process in the sample. The two-dimensional processing of the spectrum data is decomposed into two one-dimensional processings of Stolt transform and matched filter. Experimental results show that image reconstruction can be achieved. The transverse and axial resolutions are both improved significantly, especially in the out-of-focus range, and the resolutions are almost equivalent throughout the entire region of interest.

© 2011 Chinese Optics Letters

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.2980) Image processing : Image enhancement
(100.3010) Image processing : Image reconstruction techniques

ToC Category:
Image Processing

Citation
Xiaodong Chen, Yong Lei, Yi Wang, and Daoyin Yu, "Resolution enhancement with improved range Doppler algorithm in high numerical aperture OCT," Chin. Opt. Lett. 9, 121001- (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-12-121001

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