Browsing by Author "Chiang, PW"

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Utilization of a dispersion-shifted fiber for simultaneous measurement of distributed strain and temperature through Brillouin frequency shift
(2001-10-01)
Lee, CC
;
Chiang, PW
;
Chi, S
;
光電工程學系
;
Department of Photonics
In this letter, we propose and realize a new method that utilizes a dispersion-shifted fiber having compound compositions with different temperature coefficients in core to simultaneously measure the distributed strain and temperature based on Brillouin frequency shift. In a 3682-m sensing length of large-effective-area nonzero dispersion-shifted fiber, a temperature resolution of 5 degreesC, a strain resolution of 60 mu epsilon, and a spatial resolution of 2 in are achieved simultaneously.