Linear Fiber Laser Configurations for Optical Concentration Sensing in Liquid Solutions
Liliana Soares,
Rosa Ana Perez-Herrera,
Susana Novais
et al.
Abstract:In this study, different configurations based on linear fiber lasers were proposed and experimentally demonstrated to measure the concentration of liquid solutions. Samples of paracetamol liquid solutions with different concentrations, in the range from 52.61 to 201.33 g/kg, were used as a case-study. The optical gain was provided by a commercial bidirectional Erbium-Doped Fiber Amplifier (EDFA) and the linear cavity was obtained using two commercial Fiber Bragg Gratings (FBGs). The main difference of each con… Show more
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