A new system of large-diameter waveguide with liquid core for the measurement of liquid density is presented.The main advantage of this system is the relatively high measuring sensitivity. The principle of this system and the effect of construction parameters of the system on the sensitivity are discussed.The results of measurements are nearly in agreement with the theoretical analysis.
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麦咏贤,周佐平,范仕良.液芯光波导溶液浓度传感器[J].红外与毫米波学报,1995,14(2):]. Mat Yongxian, Zhou Zuoping, Fan Shiliang. SENSOR OF OPTICAL WAVEGUIDE WITH LIQUID CORE FOR LIQUID DENSITY MEASUREMENT[J]. J. Infrared Millim. Waves,1995,14(2).]