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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 9 — Mar. 20, 2014
  • pp: 1832–1837

Implementation of blind source separation for optical fiber sensing

Qiang Li, Zhi Wang, Zejia Huang, Kaili Guo, and Lanlan Liu  »View Author Affiliations

Applied Optics, Vol. 53, Issue 9, pp. 1832-1837 (2014)

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Blind source separation (BSS) is implemented for optical fiber sensing systems, such as the fiber Bragg grating (FBG) sensing system and the single-mode-multimode-single-mode fiber (SMS) sensing system. The FastICA, a kind of multichannel BSS algorithm, is used to get the strain and the temperature with two FBGs. For the SMS sensing, a single-channel blind source separation (SCBSS) algorithm is employed to simultaneously measure the vibration and the temperature variation with only one SMS sensor. The errors of both the FBG and the SMS optical fiber sensing system are very small with the BSS algorithm. The implementation of BSS for the optical fiber sensing makes the multiparameter measurements more easily with low cost and high accuracy and can also be applied for signal de-noising field.

© 2014 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
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: December 4, 2013
Revised Manuscript: February 9, 2014
Manuscript Accepted: February 11, 2014
Published: March 19, 2014

Qiang Li, Zhi Wang, Zejia Huang, Kaili Guo, and Lanlan Liu, "Implementation of blind source separation for optical fiber sensing," Appl. Opt. 53, 1832-1837 (2014)

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