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Ratiometric fiber-optic oxygen sensors based on sol–gel matrix doped with metalloporphyrin and 7-amino-4-trifluoromethyl coumarin

Photonic SensorOptical MaterialsEngineeringOptical PropertiesSol–gel Matrix7-Amino-4-trifluoromethyl CoumarinOptical SensorChemical SensorFiber Optic SensingFiber OpticsChemistryFiber OpticBiophysicsOptical Sensors