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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 29 — Oct. 10, 2004
  • pp: 5425–5428

Bend sensors with direction recognition based on long-period gratings written in D-shaped fiber

Donghui Zhao, Xianfeng Chen, Kaiming Zhou, Lin Zhang, Ian Bennion, William N. MacPherson, James S. Barton, and Julian D. C. Jones  »View Author Affiliations


Applied Optics, Vol. 43, Issue 29, pp. 5425-5428 (2004)
http://dx.doi.org/10.1364/AO.43.005425


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Abstract

The curvature- or bend-sensing response of long-period gratings (LPGs) UV inscribed in D-shaped fiber has been investigated experimentally. Strong fiber-orientation dependence of the spectral response when such LPGs are subjected to bending at different directions has been observed and is shown to form the basis for a new class of single-device sensor with vector-sensing capability. Potential applications utilizing the linear response and unique bend-orientation characteristics of the devices are discussed.

© 2004 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors

History
Original Manuscript: February 25, 2004
Revised Manuscript: July 7, 2004
Published: October 10, 2004

Citation
Donghui Zhao, Xianfeng Chen, Kaiming Zhou, Lin Zhang, Ian Bennion, William N. MacPherson, James S. Barton, and Julian D. C. Jones, "Bend sensors with direction recognition based on long-period gratings written in D-shaped fiber," Appl. Opt. 43, 5425-5428 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-29-5425

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