Investigation of PZT driven tunable optical filter nonlinearity using FBG optical fiber sensing system

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Abstract
The nonlinearity of a piezo-electrical transducer (PZT) driven tunable optical filter (TOF) is investigated and evaluated using FBG optical fibre sensing system including a broadband optical source and a tunable laser (TL) with a group of fiber Bragg gratings (FBGs). Polynomial fit is adopted to model the nonlinearity. Under three-order polynomial fit, the random error in wavelenght measurement using this TOF and a reference FBG is minimized to be below 20pm.
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Author(s)
Peng, Gang-Ding
Jing, W
Liu, K
Zhang, J
Zhang, H
Zhang, Y
Jia, D
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Publication Year
2007
Resource Type
Journal Article
Degree Type
UNSW Faculty