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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 10 — Apr. 1, 2008
  • pp: 1510–1516

Lensed fiber probes designed as an alternative to bulk probes in optical coherence tomography

Seon Young Ryu, Hae Young Choi, Jihoon Na, Woo June Choi, and Byeong Ha Lee  »View Author Affiliations


Applied Optics, Vol. 47, Issue 10, pp. 1510-1516 (2008)
http://dx.doi.org/10.1364/AO.47.001510


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Abstract

We demonstrate a compact all-fiber sampling probe for an optical coherence tomography (OCT) system. By forming a focusing lens directly on the tip of an optical fiber, a compact sampling probe could be implemented. To simultaneously achieve a sufficiently long working distance and a good lateral reso lution, we employed a large-mode area photonic crystal fiber (PCF) and a coreless silica fiber (CSF) of the same diameters. A working distance of up to 1270 μm , a 3 dB distance range of 2210 μm , and a transverse resolution of 14.2 μm were achieved with the implemented PCF lensed fiber; these values are comparable to those obtainable with a conventional objective lens having an NA of 0.25 ( 10 × ). The performance of the OCT system equipped with the proposed PCF lensed fiber is presented by showing the OCT images of a rat finger as a biological sample and a pearl as an in-depth sample.

© 2008 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2350) Fiber optics and optical communications : Fiber optics imaging
(110.4500) Imaging systems : Optical coherence tomography

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: September 21, 2007
Manuscript Accepted: February 24, 2008
Published: March 28, 2008

Virtual Issues
Vol. 3, Iss. 5 Virtual Journal for Biomedical Optics

Citation
Seon Young Ryu, Hae Young Choi, Jihoon Na, Woo June Choi, and Byeong Ha Lee, "Lensed fiber probes designed as an alternative to bulk probes in optical coherence tomography," Appl. Opt. 47, 1510-1516 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-10-1510

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