Weproposeanddemonstrateaschemetomeasurethedistributionoftemperaturealonganopticalfiberbasedonpseudo-randomsequencemodulation.Inourexperimentalwork,currentmodulationwithapseudo-randombitsequence(PRBS)isappliedtoalaserdiodethatservesastheBrillouinpumplightandreferencelight.BecauseoftheindependenceofthespatialresolutiononthePRBSlength,themeasurementrangecanbeextendedwhilemaintaininghighspatialresolutionusingalongPRBSlength.
2015/7/23 17:06:02
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