Calibrating an optical fiber humidity sensor and applying it in real-time monitoring of relative humidity in fresh concrete-中国期刊网

摘要 Adoublycladdingsingle-modefiberhumiditysensorisfabricatedbyagarose.Thesensorhasaninsertionlossof0.08dBandapowerchangeof17.83dB.Theresponsesofthesensortoarelativehumidity(RH)rangeform30%to100%atatemperaturerangeform25to34Carevalidated.TheexperimentsdemonstratethattheabsorbabilityofagarosegeltomoisturedecreaseswithincreasingRHinmeasuredgas.Weproposeacalibrationmethodthatuseslookuptablesandconstructacorrespondingcalibrationmatrix.Usingthesensor,weconductreal-timemonitoringofRHinfreshconcreteduringitshardeningprocess.

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Calibrating an optical fiber humidity sensor and applying it in real-time monitoring of relative humidity in fresh concrete

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Calibrating an optical fiber humidity sensor and applying it in real-time monitoring of relative humidity in fresh concrete

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