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29 October 2001 Fiber-type sensor of refractive indices and concentration of liquids
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Proceedings Volume 4595, Photonic Systems and Applications; (2001)
Event: International Symposium on Photonics and Applications, 2001, Singapore, Singapore
A portable and practical fiber-type sensor, with which can determine the refractive index and the concentration of the liquid, has been designed and realized. The method combines simplicity of structure, facility of operation, wide range of measurement and low price. It can be used either by immersing the liquid or by pouring one drop of liquid into the sensing head. The measuring resolution of the refractive index is 1.41 X 10-4 for the refractive indices of 1.33 - 1.70, and the measuring resolution of the concentration is 2.67 X 10-4 for the salt solution and the sugar solution.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Weigang Zhang, Zhaowen Xu, Xiang-Peng Yang, Guiyun Kai, Shou-Zhong Yuan, and Xiaoyi Dong "Fiber-type sensor of refractive indices and concentration of liquids", Proc. SPIE 4595, Photonic Systems and Applications, (29 October 2001);

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