Effect of the finite extinction ratio of an electro-optic modulator on the performance of distributed probe-pump Brillouin sensorsystems
Optics Letters, Vol. 28, Issue 16, pp. 1418-1420 (2003)
http://dx.doi.org/10.1364/OL.28.001418
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Abstract
The effect of the finite extinction ratio of an electro-optic modulator (EOM) on the Brillouin frequency measurement of a distributed Brillouin-based fiber optic sensor is studied. An EOM with a finite extinction ratio limits the application of Brillouin optical time domain analysis in a distributed Brillouin-based fiber optic sensor. This results in confusion in specifying the location of the strained region and in error in detecting the Brillouin frequency and hence in strain and temperature measurement.
© 2003 Optical Society of America
OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(290.5830) Scattering : Scattering, Brillouin
Citation
Shahraam Afshar V., Graham A. Ferrier, Xiaoyi Bao, and Liang Chen, "Effect of the finite extinction ratio of an electro-optic modulator on the performance of distributed probe-pump Brillouin sensorsystems," Opt. Lett. 28, 1418-1420 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-16-1418
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