Fiber Optic Sensor for Detection of Chlorine Level in Water

被引：2

作者：

Yesmin, Sebina ^{[1
]}

Chetia, Dipankar ^{[2
]}

Basumatary, Tenison ^{[2
]}

Singh, Hidam Kumarjit ^{[2
]}

机构：

[1] Assam Don Bosco Univ, Dept Elect & Elect Engn, Gauhati, India

[2] Gauhati Univ, Dept Elect & Commun Technol, Gauhati, India

来源：

ADVANCES IN COMMUNICATION, DEVICES AND NETWORKING | 2018年 / 462卷

关键词：

Liquid; Multimode optical fiber; Sensor; Viscosity;

D O I：

10.1007/978-981-10-7901-6_47

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We report a fiber optic sensor to measure the level of free chlorine present in chlorinated water. The sensor is made of an optical fiber that has been suitably bent in the form of U-shape. The sensor produces its sensing action when the U-shape probe is dipped inside liquid samples. Sensing principle of the sensor is based on absorption of fiber optic evanescent light wave by surrounding liquid medium. Experimental observations have shown that sensitivity increases with decrease in wavelength of excitation light source. We found that resolution of the sensor varies from 2.7 to 5.5 mg/L at 430 nm wavelength. The proposed sensor has the potential to be a low-cost alternative device for measuring free chlorine level of chlorinated drinking water very precisely and accurately.

引用

页码：429 / 437

页数：9

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