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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 19 — Sep. 23, 2013
  • pp: 22799–22807

A time- and wavelength-division multiplexing sensor network with ultra-weak fiber Bragg gratings

Zhihui Luo, Hongqiao Wen, Huiyong Guo, and Minghong Yang  »View Author Affiliations

Optics Express, Vol. 21, Issue 19, pp. 22799-22807 (2013)

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A time- and wavelength-division multiplexing sensor network based on ultra-weak fiber Bragg gratings (FBGs) was proposed. The low insertion loss and the high multiplexing capability of the proposed sensor network were investigated through both theoretical analysis and experimental study. The demodulation system, which consists of two semiconductor optical amplifiers and one high-speed charge-coupled device module, was constructed to interrogate 2000 serial ultra-weak FBGs with peak reflectivity ranging from −47 dB to −51 dB and a spatial resolution of 2 m along an optical fiber. The distinct advantages of the proposed sensor network make it an excellent candidate for the large-scale sensing network.

© 2013 OSA

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.4230) Fiber optics and optical communications : Multiplexing
(060.4250) Fiber optics and optical communications : Networks
(060.3738) Fiber optics and optical communications : Fiber Bragg gratings, photosensitivity

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: July 17, 2013
Revised Manuscript: September 12, 2013
Manuscript Accepted: September 16, 2013
Published: September 20, 2013

Zhihui Luo, Hongqiao Wen, Huiyong Guo, and Minghong Yang, "A time- and wavelength-division multiplexing sensor network with ultra-weak fiber Bragg gratings," Opt. Express 21, 22799-22807 (2013)

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