A real time fiber optic micro displacement level sensor

D. Sengupta, M. Sai Shankar, P. Saidi Reddy, R.L.N SaiPrasad, K. S. Narayana, P. Kishore
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引用次数: 1

Abstract

Detection of micro change in liquid level using PMMA fiber in real time is demonstrated in this article. This sensor operates on light intensity modulation and such modulation results due to displacement of a floating reflector. The sensor system consists of light source, encapsulated PMMA fiber, floating reflector, photo detector, transimpedence amplifier, multimeter and a data acquisition system for the static and dynamic measurement. A change of 0.0073V at the output of the transimpedence amplifier was observed for 1 µm change in level. high sensitivity, good linearity, simple design and low cost make this sensor suitable for industry.
一种实时光纤微位移液位传感器
本文演示了利用PMMA纤维实时检测液位的微小变化。这种传感器工作于光强调制,这种调制结果是由于浮动反射器的位移。传感器系统由光源、封装PMMA光纤、浮动反射器、光电探测器、跨接放大器、万用表和静态、动态测量数据采集系统组成。当电平变化1µm时,在跨接放大器的输出端观察到0.0073V的变化。灵敏度高,线性度好,设计简单,成本低,适合工业应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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