A novel sensor interrogation technique using chirped fiber grating based sagnac loop


We demonstrate a novel and simple sensor interrogation scheme for fiber Bragg grating (FBG) based sensing systems. In this scheme, a chirped FBG based Sagnac loop is used as a wavelength-dependent receiver, and a stable and linear readout response is realised. It is a signijkant advantage of this scheme that the sensitivity and the measurement wavelength range can be easily adjhsted by controlling the chirp of the FBG or using an optical delay line in the Sagnac loop.

Event Title: 1st IEEE International Conference on Sensors (Sensors 2002)
Event Type: Other
Event Location: Orlando
Event Dates: 2001-06-12 - 2001-06-14
Uncontrolled Keywords: sensor interrogation, chirped fiber grating, sagnac loop
ISBN: 9780780374546
Last Modified: 23 Oct 2019 11:01
Date Deposited: 19 Dec 2011 11:08
Published Date: 2006-06-15
Authors: Zhao, Donghui
Shu, Xuewen
Zhang, Lin
Bennion, Ian


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