Simultaneous measurement of liquid level and refractive index based on a sandwich multimode optical fiber structure
Xiangwen Yang, Binbin Luo, Decao Wu, Xue Zou, Shenghui Shi, Fuming Zhou, Chenglei Fan, Qianguang Hu, Mingfu Zhao
Topics & Concepts
Step-index profileNormalized frequency (unit)Refractive indexOpticsCladding (metalworking)Materials scienceMulti-mode optical fiberGraded-index fiberCladding modeSensitivity (control systems)Optical fiberFiber optic sensorWavelengthInterferometryOptoelectronicsPolarization-maintaining optical fiberPhysicsPhase noiseElectronic engineeringEngineeringFrequency synthesizerPhase-locked loopMetallurgyAdvanced Fiber Optic SensorsPhotonic and Optical DevicesSemiconductor Lasers and Optical Devices