On the evanescent field fiber optic sensor for the detection of chlorine in drinking water

Pankaj Kumar Choudhury; Toshihiko Yoshino

doi:10.1117/12.569898

14 February 2005 On the evanescent field fiber optic sensor for the detection of chlorine in drinking water

Pankaj Kumar Choudhury, Toshihiko Yoshino

Author Affiliations +

Proceedings Volume 5634, Advanced Sensor Systems and Applications II; (2005) https://doi.org/10.1117/12.569898
Event: Photonics Asia, 2004, Beijing, China

Abstract

Chlorine content in drinking water is hazardous for health. In this presentation a fiber optic evanescent field absorption sensor is demonstrated which can be implemented for the detection of the content of chlorine in drinking water. The method of demonstration is based on the absorption of evanescent waves through the development of color, which is achieved due to the reaction of diethyl phenylene diamine with chlorine present in water. A bent U-shaped probe is implemented in order to improve the sensitivity.

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Pankaj Kumar Choudhury and Toshihiko Yoshino "On the evanescent field fiber optic sensor for the detection of chlorine in drinking water", Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); https://doi.org/10.1117/12.569898

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