Tapered-fibers liquid dropping-speed monitoring sensors

Cong Zhang; Weimin Sun; Chengkai Guo; Xiaoli Wang

doi:10.1117/12.725904

5 March 2007 Tapered-fibers liquid dropping-speed monitoring sensors

Cong Zhang, Weimin Sun, Chengkai Guo, Xiaoli Wang

Proceedings Volume 6595, Fundamental Problems of Optoelectronics and Microelectronics III; 65953B (2007) https://doi.org/10.1117/12.725904
Event: Fundamental Problems of Optoelectronics and Microelectronics III, 2006, Harbin, China

Abstract

A new kind of optical liquid drop detecting sensors is presented, using a tapered fiber as the sensing head. The dripping speed of the liquid drop influences the intensity of the reflected and transmitting light inside the tapered fiber, because the reflected or transmitting light intensity depends on the refractive index of the material outside the tapered fiber. The advantages of this type of sensors are experimentally demonstrated such as high sensitivity, reliability and immunity from interferes. The detecting veracity is 100% when dropping speed below 6 drops per second in the experiment. The change of liquid dropping-speed can be monitored.

Citation Download Citation

Cong Zhang, Weimin Sun, Chengkai Guo, and Xiaoli Wang "Tapered-fibers liquid dropping-speed monitoring sensors", Proc. SPIE 6595, Fundamental Problems of Optoelectronics and Microelectronics III, 65953B (5 March 2007); https://doi.org/10.1117/12.725904

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