Extended range interrogation of wavelength division multiplexed fibre Bragg grating sensors using an arrayed waveguide grating

Abstract

A technique for interrogating multiplexed fibre Bragg grating (FBG) sensors using an arrayed waveguide grating (AWG) is described. The approach considerably extends the sensing range from that achieved previously, while providing a strain resolution of 17nevHz at 30 Hz.

Uncontrolled Keywords: interrogating multiplexed fibre Bragg grating sensors, arrayed waveguide grating
Published Date: 2003-11-27
Authors: Norman, D.C.C.
Webb, David J.
Pechstedt, R.D.

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