In Situ Measurement of Urea Concentration With an In-Fiber SPR-MZI Sensor
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A fiber-optic urea sensor based on surface plasmon resonance (SPR) and Mach-Zehnder interference (MZI) combined principle was designed and implemented. By plating gold film on the single-mode-no-core-thin-core-single-mode fiber structure, we successfully excit... ...
