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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. 5, Iss. 9 — Jul. 6, 2010

Evaluation of techniques to model bend loss in multimode fibers for endoscopic application

Jessica Eisenstein, Peter Y. Wong, and Caroline G. L. Cao  »View Author Affiliations


Applied Optics, Vol. 49, Issue 12, pp. 2220-2231 (2010)
http://dx.doi.org/10.1364/AO.49.002220


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Abstract

Bend loss from optical fibers can have positive applications, which need to be characterized and related to fiber curvature in a systematic approach to be useful. One potential application for optical fibers is a shape sensor for tracking flexible bodies in remote access environments, such as in endoscopy or boroscopy. We conducted a review of bend-loss characterization and evaluated several methods for characterizing bend loss in multimode optical fibers for an endoscopic shape-tracking application. Specifically, closed-form equation-based methods and numerical simulations were examined. Beam propagation method (BPM) simulations were determined to be the most applicable characterization tool. Results from simulations using BPM software were compared to experimentally obtained data. BPM simulation was sufficiently accurate for modeling 50 μm fibers but impractical for larger, multimode fibers.

© 2010 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(080.1510) Geometric optics : Propagation methods
(170.2150) Medical optics and biotechnology : Endoscopic imaging
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: October 27, 2009
Revised Manuscript: February 28, 2010
Manuscript Accepted: March 19, 2010
Published: April 13, 2010

Virtual Issues
Vol. 5, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Jessica Eisenstein, Peter Y. Wong, and Caroline G. L. Cao, "Evaluation of techniques to model bend loss in multimode fibers for endoscopic application," Appl. Opt. 49, 2220-2231 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-49-12-2220


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