In-fiber Bragg grating sensors using interferometric interrogations for passive quadrature signal processing

  • Yu-Lung Lo
  • Published 1998 in IEEE Photonics Technology Letters

Abstract

This letter describes a simple optically passive detection scheme for Bragg grating sensors. This detection scheme is based on two cavity lengths in Fabry-Perot read-out interferometers to produce two quadrature phase shifted signals from the Bragg grating sensor. Using the amplified spontaneous emission from an erbium-doped fiber amplifier as a low… (More)

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@article{Lo1998InfiberBG, title={In-fiber Bragg grating sensors using interferometric interrogations for passive quadrature signal processing}, author={Yu-Lung Lo}, journal={IEEE Photonics Technology Letters}, year={1998}, volume={10}, pages={1003-1005} }