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Multiphonon assisted upconversion thermal enhancement for optical temperature sensing and high penetration depth

PhotonicsOptical MaterialsEngineeringThermographyThermal RadiationOptical PropertiesHigh Penetration DepthApplied PhysicsTemperature MeasurementOptical Temperature SensingUpconversion LuminescenceUpconversion Thermal EnhancementThermal PhysicsInstrumentationThermal SensorOptoelectronicsOptical Sensors