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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 22 — Nov. 15, 2008
  • pp: 2632–2634

Extending the effective imaging range of Fourier-domain optical coherence tomography using a fiber optic switch

Hui Wang, Yinsheng Pan, and Andrew M. Rollins  »View Author Affiliations

Optics Letters, Vol. 33, Issue 22, pp. 2632-2634 (2008)

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The effective imaging range of Fourier-domain optical coherence tomography is limited by falloff. We present a very simple method to extend the effective imaging range with dual reference arms and a high-speed fiber optic switch. The effective imaging range was increased by 1.8 with two reference arms compared with a single reference arm. Ex vivo tissue images show significantly improved sensitivity over a large imaging range. Further extension of the imaging range is feasible with multiple reference arms. The tradeoff between image acquisition rate and imaging range is discussed.

© 2008 Optical Society of America

OCIS Codes
(060.2350) Fiber optics and optical communications : Fiber optics imaging
(120.3890) Instrumentation, measurement, and metrology : Medical optics instrumentation
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: June 5, 2008
Revised Manuscript: September 15, 2008
Manuscript Accepted: September 19, 2008
Published: November 12, 2008

Virtual Issues
Vol. 4, Iss. 1 Virtual Journal for Biomedical Optics

Hui Wang, Yinsheng Pan, and Andrew M. Rollins, "Extending the effective imaging range of Fourier-domain optical coherence tomography using a fiber optic switch," Opt. Lett. 33, 2632-2634 (2008)

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