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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 27 — Dec. 17, 2012
  • pp: 28557–28562

Two-dimensional bending vector sensing based on spatial cascaded orthogonal long period fiber

Pengcheng Geng, Weigang Zhang, Shecheng Gao, Hao Zhang, Jieliang Li, Shanshan Zhang, Zhiyong Bai, and Li Wang  »View Author Affiliations


Optics Express, Vol. 20, Issue 27, pp. 28557-28562 (2012)
http://dx.doi.org/10.1364/OE.20.028557


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Abstract

A novel bending vector sensor based on spatial cascaded orthogonal long period fiber gratings (SCO-LPFGs) written by high-frequency CO2 laser pulses has been proposed, and two-dimensional bending vector sensing characteristics based on the simple SCO-LPFGs have been experimentally demonstrated. A three-dimensional orthogonal sensing coordinate system has been established, and the measurement results of the proposed SCO-LPFGs sensor based on the above coordinate system is given, and furthermore both of curvature and bending-direction could be intuitively solved according to the three-dimensional orthogonal sensing coordinates. The research work presented in this paper would be helpful to improve the practicability of fiber vector sensors due to the distinguished characteristics such as simple structure, low-cost, ease of fabrication.

© 2012 OSA

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2310) Fiber optics and optical communications : Fiber optics
(230.1150) Optical devices : All-optical devices

ToC Category:
Sensors

History
Original Manuscript: October 16, 2012
Revised Manuscript: November 24, 2012
Manuscript Accepted: November 26, 2012
Published: December 10, 2012

Citation
Pengcheng Geng, Weigang Zhang, Shecheng Gao, Hao Zhang, Jieliang Li, Shanshan Zhang, Zhiyong Bai, and Li Wang, "Two-dimensional bending vector sensing based on spatial cascaded orthogonal long period fiber," Opt. Express 20, 28557-28562 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-27-28557


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References

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