Time division multiplexing of fiber Bragg grating sensors using a mode-locked fiber laser source (Invited Paper) | Zendy

Geoffrey A. Cranch | Zendy; Gordon M. H. Flockhart | Zendy; Clay K. Kirkendall | Zendy

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Time division multiplexing of fiber Bragg grating sensors using a mode-locked fiber laser source (Invited Paper)

Author(s) -

Geoffrey A. Cranch,

Gordon M. H. Flockhart,

Clay K. Kirkendall

Publication year - 2005

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.623816

Subject(s) - fiber bragg grating , phosfos , optics , multiplexing , materials science , fiber optic sensor , broadband , fiber laser , laser , optoelectronics , polarization maintaining optical fiber , optical fiber , computer science , physics , telecommunications

An efficient multiplexing method for fiber Bragg grating sensors based on a broadband mode-locked laser source and interferometric interrogation is described. The system has the capability to interrogate several hundred fiber Bragg grating sensors on a single fiber, whilst achieving sub-microstrain resolution over bandwidths greater than 100 kHz. A demonstration system with 8 sensors is presented, which achieves strain resolutions less than 213 n epsilon/Hz(1/2) up to 100 Hz

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