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

Donghui Zhao, Xianfeng F. Chen, Kaiming Zhou, Lin Zhang, Ian Bennion, William N. MacPherson, James S. Barton, Julian D.C. Jones

Research output: Contribution to journalArticle

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.

Original languageEnglish
Pages (from-to)5425-5428
Number of pages4
JournalApplied Optics
Volume43
Issue number29
DOIs
Publication statusPublished - 10 Oct 2004

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Fiber reinforced materials
gratings
sensor
fiber orientation
fibers
Fibers
sensors
Sensors
spectral sensitivity
curvature
fibre

Keywords

  • curvature response
  • bend-sensing response
  • long-period gratings
  • LPGs
  • UV inscribed in D-shaped fiber
  • fiber-orientation dependence
  • spectral respons
  • single-device sensor
  • vector-sensing capability
  • linear response
  • unique bend-orientation

Cite this

Zhao, Donghui ; Chen, Xianfeng F. ; Zhou, Kaiming ; Zhang, Lin ; Bennion, Ian ; MacPherson, William N. ; Barton, James S. ; Jones, Julian D.C. / Bend sensors with direction recognition based on long-period gratings written in D-shaped fiber. In: Applied Optics. 2004 ; Vol. 43, No. 29. pp. 5425-5428.
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Zhao, D, Chen, XF, Zhou, K, Zhang, L, Bennion, I, MacPherson, WN, Barton, JS & Jones, JDC 2004, 'Bend sensors with direction recognition based on long-period gratings written in D-shaped fiber', Applied Optics, vol. 43, no. 29, pp. 5425-5428. https://doi.org/10.1364/AO.43.005425

Bend sensors with direction recognition based on long-period gratings written in D-shaped fiber. / Zhao, Donghui; Chen, Xianfeng F.; Zhou, Kaiming; Zhang, Lin; Bennion, Ian; MacPherson, William N.; Barton, James S.; Jones, Julian D.C.

In: Applied Optics, Vol. 43, No. 29, 10.10.2004, p. 5425-5428.

Research output: Contribution to journalArticle

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