4 December 1998 The principle and the application of an etched fiber optic sensor
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Abstract
In this work a kind of etched optical fiber sensors are introduced. By the method of combing thermal carving technique with chemical etching, some periodically etched sections were formed directly onto the fiber cladding and the structure to sense strain can be made into an inherent part of the fiber. The etched fiber sensing elements have been fabricated and tested as temperature and liquid level sensors to investigate the performance of this kind of sensors. The results of the experiments show that the designed sensors possess the linear and repeatable responses without any measurable hysteresis. The sensors, which are superior to other kinds of sensors, have the high sensitivity and is easy to integrate.
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Yan Jiang, Shuming Pang, Yiping Cui, "The principle and the application of an etched fiber optic sensor", Proc. SPIE 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications, (4 December 1998); doi: 10.1117/12.328650; https://doi.org/10.1117/12.328650
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