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Proceedings Paper

On the evanescent field fiber optic sensor for the detection of chlorine in drinking water
Author(s): Pankaj Kumar Choudhury; Toshihiko Yoshino
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Paper 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.

Paper Details

Date Published: 14 February 2005
PDF: 4 pages
Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); doi: 10.1117/12.569898
Show Author Affiliations
Pankaj Kumar Choudhury, Multimedia Univ. (Malaysia)
Toshihiko Yoshino, Kaisei Academy (Japan)


Published in SPIE Proceedings Vol. 5634:
Advanced Sensor Systems and Applications II
Yun-Jiang Rao; Osuk Y. Kwon; Gang-Ding Peng, Editor(s)

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