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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 7 — Aug. 1, 2013

Lens-free endoscopy probe for optical coherence tomography

Sucbei Moon, Zhonglie Piao, Chang-Seok Kim, and Zhongping Chen  »View Author Affiliations


Optics Letters, Vol. 38, Issue 12, pp. 2014-2016 (2013)
http://dx.doi.org/10.1364/OL.38.002014


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Abstract

We present an ultrathin fiber-optic endoscopy probe for optical coherence tomography (OCT), which is made of a series of fused optical fibers instead of the conventional scheme based on an objective lens. The large-core fiber with a core diameter of 20 μm was utilized for the probe, while a single-mode fiber of core diameter 8.2 μm mainly delivered the OCT light. Those fibers were spliced with a bridge fiber of an intermediate core size. The guided light was stepwise converted to a beam of a large mode-field diameter to be radiated with a larger depth of focus. We obtained a 125 μm thick all-fiber endoscopy probe with a side-viewing capability implemented by an angled fiber end. Successful OCT imaging was demonstrated with a swept-source OCT system and showed the practical applicability of our lens-free endoscopy probe.

© 2013 Optical Society of America

OCIS Codes
(060.2350) Fiber optics and optical communications : Fiber optics imaging
(110.4500) Imaging systems : Optical coherence tomography
(170.2150) Medical optics and biotechnology : Endoscopic imaging
(170.3890) Medical optics and biotechnology : Medical optics instrumentation

ToC Category:
Imaging Systems

History
Original Manuscript: March 26, 2013
Revised Manuscript: April 18, 2013
Manuscript Accepted: May 8, 2013
Published: June 3, 2013

Virtual Issues
Vol. 8, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Sucbei Moon, Zhonglie Piao, Chang-Seok Kim, and Zhongping Chen, "Lens-free endoscopy probe for optical coherence tomography," Opt. Lett. 38, 2014-2016 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-38-12-2014

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